Updated 16 Sep 2026 · recomputed nightly
Is August 2027 a good month to visit Cozumel?
Lively — the typical August day in Cozumel is calmer than 53% of its year.
The weather is the trade-off here, not the crowds.
Calm · Lively · Busy · Packed rank a day against Cozumel's own year — not a headcount.
August sits between the seasons in Cozumel: hot and wet, around 31°C / 89°F with rain on about 18 days, Lively on 12 of 31 days — 8 days run Busy or Packed.
Mostly yes, if the weather does not put you off. The typical August day in Cozumel is Lively, and only 8 of the 31 days in our window run Busy or Packed. Expect around 31 °C by day, with rain on about 18 days. Public holidays in Canada add to it. Cruise ships call on 29 of the 31 days, 5 at once on Friday 20 August. Late August is the month's quietest stretch in Cozumel — the typical day at 45%, against 52% in mid August. The crush is at the pier blocks on three-ship days; the quiet is at the east side entire. The calmest day is Sunday 8 August, the busiest Friday 20 August.
In short, a solid middle-ground pick.
Among the 12 months we forecast for Cozumel, August ranks 7th for crowd pressure. Its heaviest day is Fri 20 Aug, busier than 83% of the year; its lightest is Sun 8 Aug at 20%.
Preparing pays off in a month like this: timed-entry tickets and pre-booked tours turn the queue time into sightseeing time. see the options →
Pack for wet first — rain on 18 of 31 days.
A folding one lives in the day bag and weighs nothing.
See umbrellas →
Refilling costs nothing and saves the walk to find a shop.
See water bottles →
How busy is Cozumel in August?
The busiest days are the 11th, 16th, 20th and 25th, and 4 more. Away from those, most days sit Lively. The calmest stretch is the 3rd–9th.
Cruise ships are in port on 29 of 31 days; the heaviest is Fri 20 Aug, 5 ships in at once. Those mornings fill the squares first — start early, or save them for indoors.
The month is not one thing: its lightest day sits at 20% of the year and its heaviest at 83%, so where you land inside it matters. Daylight runs about 13 hours.
Either side of it, September is much calmer.
The calmest days are the 8th, 17th and 22nd — aim for those if your dates can flex.
Sun 01 Aug Calm busier than 32% of days here · ⚓1
- Norwegian Escape — guest capacity 4,266 08:00–16:00
Record Cozumel on Sun 1 Aug 2027 is forecast Calm. 1 cruise ship scheduled, at least 4,266 guests at double occupancy; ships in port 08:00–16:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-01 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 02 Aug Busy busier than 65% of days here · ⚓3 · Canada public holiday
- Carnival Horizon — guest capacity 3,960 09:00–17:00
- Disney Fantasy — guest capacity 2,500 08:00–16:00
- Symphony Of The Seas — guest capacity 5,518 08:00–18:00
Record Cozumel on Mon 2 Aug 2027 is forecast Busy. 3 cruise ships scheduled, at least 11,978 guests at double occupancy; ships in port 08:00–18:00. Why: Canada public holiday. Nearest calmer day: Sun 1 Aug (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/cozumel/#d-2027-08-02 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 03 Aug Lively busier than 44% of days here · ⚓2
- Carnival Jubilee — guest capacity 5,347 09:00–17:00
- Radiance Of The Seas — guest capacity 2,122 07:00–17:00
Record Cozumel on Tue 3 Aug 2027 is forecast Lively. 2 cruise ships scheduled, at least 7,469 guests at double occupancy; ships in port 07:00–17:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-03 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 04 Aug Lively busier than 62% of days here · ⚓3
- Adventure Of The Seas — guest capacity 3,382 07:00–17:00
- Carnival Dream — guest capacity 3,646 08:00–16:00
- MSC World America — guest capacity 5,240 09:00–19:00
Record Cozumel on Wed 4 Aug 2027 is forecast Lively. 3 cruise ships scheduled, at least 12,268 guests at double occupancy; ships in port 07:00–19:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-04 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 05 Aug Lively busier than 54% of days here · ⚓3
- Carnival Breeze — guest capacity 3,690 09:00–17:00
- Enchantment Of The Seas — guest capacity 2,284 07:00–17:00
- Liberty Of The Seas — guest capacity 3,678 07:00–17:00
Record Cozumel on Thu 5 Aug 2027 is forecast Lively. 3 cruise ships scheduled, at least 9,652 guests at double occupancy; ships in port 07:00–17:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-05 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 06 Aug Lively busier than 56% of days here · ⚓3
- Carnival Paradise — guest capacity 2,124 09:00–17:00
- MSC Seascape — guest capacity 4,540 08:00–16:00
- Norwegian Aqua — guest capacity 3,571 10:00–18:00
Record Cozumel on Fri 6 Aug 2027 is forecast Lively. 3 cruise ships scheduled, at least 10,235 guests at double occupancy; ships in port 08:00–18:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-06 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 07 Aug Calm busier than 39% of days here · ⚓2
- Carnival Horizon — guest capacity 3,960 09:00–17:00
- Radiance Of The Seas — guest capacity 2,122 07:00–17:00
Record Cozumel on Sat 7 Aug 2027 is forecast Calm. 2 cruise ships scheduled, at least 6,082 guests at double occupancy; ships in port 07:00–17:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-07 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 08 Aug Calm busier than 20% of days here
Record Cozumel on Sun 8 Aug 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-08 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 09 Aug Lively busier than 40% of days here · ⚓2
- Carnival Dream — guest capacity 3,646 08:00–16:00
- Disney Treasure — guest capacity 2,476 08:00–16:00
Record Cozumel on Mon 9 Aug 2027 is forecast Lively. 2 cruise ships scheduled, at least 6,122 guests at double occupancy; ships in port 08:00–16:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-09 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 10 Aug Busy busier than 69% of days here · ⚓4
- Carnival Paradise — guest capacity 2,124 08:00–16:00
- Enchantment Of The Seas — guest capacity 2,284 07:00–17:00
- Liberty Of The Seas — guest capacity 3,678 07:00–17:00
- Symphony Of The Seas — guest capacity 5,518
Record Cozumel on Tue 10 Aug 2027 is forecast Busy. 4 cruise ships scheduled, at least 13,604 guests at double occupancy. Nearest calmer day: Mon 9 Aug (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/cozumel/#d-2027-08-10 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 11 Aug Busy busier than 70% of days here · ⚓3
- Carnival Celebration — guest capacity 5,374 08:00–16:00
- Carnival Horizon — guest capacity 3,960 09:00–17:00
- MSC Grandiosa — guest capacity 4,888 07:00–19:00
Record Cozumel on Wed 11 Aug 2027 is forecast Busy. 3 cruise ships scheduled, at least 14,222 guests at double occupancy; ships in port 07:00–19:00. Nearest calmer day: Thu 12 Aug (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/cozumel/#d-2027-08-11 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 12 Aug Calm busier than 38% of days here · ⚓2
- Carnival Breeze — guest capacity 3,690 08:00–16:00
- Radiance Of The Seas — guest capacity 2,122 07:00–17:00
Record Cozumel on Thu 12 Aug 2027 is forecast Calm. 2 cruise ships scheduled, at least 5,812 guests at double occupancy; ships in port 07:00–17:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-12 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 13 Aug Busy busier than 67% of days here · ⚓3
- Carnival Liberty — guest capacity 2,978 08:00–16:00
- MSC Seascape — guest capacity 4,540 08:00–16:00
- Star Of The Seas — guest capacity 5,610 07:00–17:00
Record Cozumel on Fri 13 Aug 2027 is forecast Busy. 3 cruise ships scheduled, at least 13,128 guests at double occupancy; ships in port 07:00–17:00. Nearest calmer day: Thu 12 Aug (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/cozumel/#d-2027-08-13 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 14 Aug Lively busier than 53% of days here · ⚓3
- Carnival Dream — guest capacity 3,646 08:00–16:00
- Carnival Paradise — guest capacity 2,124 08:00–16:00
- Liberty Of The Seas — guest capacity 3,678 08:00–18:00
Record Cozumel on Sat 14 Aug 2027 is forecast Lively. 3 cruise ships scheduled, at least 9,448 guests at double occupancy; ships in port 08:00–18:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-14 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 15 Aug Calm busier than 32% of days here · ⚓1
- Norwegian Escape — guest capacity 4,266 08:00–16:00
Record Cozumel on Sun 15 Aug 2027 is forecast Calm. 1 cruise ship scheduled, at least 4,266 guests at double occupancy; ships in port 08:00–16:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-15 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 16 Aug Busy busier than 79% of days here · ⚓4 · Canada public holiday
- Carnival Horizon — guest capacity 3,960 09:00–17:00
- Disney Destiny — guest capacity 2,476 08:00–17:00
- Harmony Of The Seas — guest capacity 5,707
- MSC Seaside — guest capacity 4,134
Record Cozumel on Mon 16 Aug 2027 is forecast Busy. 4 cruise ships scheduled, at least 16,277 guests at double occupancy. Why: Canada public holiday. Nearest calmer day: Sun 15 Aug (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/cozumel/#d-2027-08-16 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 17 Aug Calm busier than 26% of days here · ⚓1
- Radiance Of The Seas — guest capacity 2,122 07:00–17:00
Record Cozumel on Tue 17 Aug 2027 is forecast Calm. 1 cruise ship scheduled, at least 2,122 guests at double occupancy; ships in port 07:00–17:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-17 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 18 Aug Lively busier than 51% of days here · ⚓3
- Carnival Dream — guest capacity 3,646 08:00–16:00
- Hero Of The Seas — size unknown (uncounted)
- MSC World America — guest capacity 5,240 09:00–19:00
Record Cozumel on Wed 18 Aug 2027 is forecast Lively. 3 cruise ships scheduled, at least 8,886 guests at double occupancy, plus 1 of unknown size. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-18 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 19 Aug Calm busier than 26% of days here · ⚓1
- Enchantment Of The Seas — guest capacity 2,284 07:00–17:00
Record Cozumel on Thu 19 Aug 2027 is forecast Calm. 1 cruise ship scheduled, at least 2,284 guests at double occupancy; ships in port 07:00–17:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-19 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 20 Aug Busy busier than 83% of days here · ⚓5
- Carnival Liberty — guest capacity 2,978 10:00–18:00
- Carnival Paradise — guest capacity 2,124 09:00–17:00
- Icon Of The Seas — guest capacity 5,610 07:00–17:00
- MSC Seascape — guest capacity 4,540 08:00–16:00
- Norwegian Aqua — guest capacity 3,571 10:00–18:00
Record Cozumel on Fri 20 Aug 2027 is forecast Busy. 5 cruise ships scheduled, at least 18,823 guests at double occupancy; ships in port 07:00–18:00. Nearest calmer day: Thu 19 Aug (Calm). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/cozumel/#d-2027-08-20 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 21 Aug Calm busier than 39% of days here · ⚓2
- Carnival Horizon — guest capacity 3,960 09:00–17:00
- Radiance Of The Seas — guest capacity 2,122 07:00–17:00
Record Cozumel on Sat 21 Aug 2027 is forecast Calm. 2 cruise ships scheduled, at least 6,082 guests at double occupancy; ships in port 07:00–17:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-21 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 22 Aug Calm busier than 20% of days here
Record Cozumel on Sun 22 Aug 2027 is forecast Calm. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-22 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 23 Aug Lively busier than 40% of days here · ⚓2
- Carnival Dream — guest capacity 3,646 08:00–16:00
- Disney Treasure — guest capacity 2,476 08:00–16:00
Record Cozumel on Mon 23 Aug 2027 is forecast Lively. 2 cruise ships scheduled, at least 6,122 guests at double occupancy; ships in port 08:00–16:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-23 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 24 Aug Lively busier than 47% of days here · ⚓3
- Carnival Paradise — guest capacity 2,124 08:00–16:00
- Enchantment Of The Seas — guest capacity 2,284 07:00–17:00
- Liberty Of The Seas — guest capacity 3,678
Record Cozumel on Tue 24 Aug 2027 is forecast Lively. 3 cruise ships scheduled, at least 8,086 guests at double occupancy. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-24 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 25 Aug Busy busier than 71% of days here · ⚓3
- Carnival Horizon — guest capacity 3,960 09:00–17:00
- MSC Grandiosa — guest capacity 4,888 07:00–19:00
- Symphony Of The Seas — guest capacity 5,518
Record Cozumel on Wed 25 Aug 2027 is forecast Busy. 3 cruise ships scheduled, at least 14,366 guests at double occupancy. Nearest calmer day: Tue 24 Aug (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/cozumel/#d-2027-08-25 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 26 Aug Lively busier than 59% of days here · ⚓3
- Carnival Breeze — guest capacity 3,690 08:00–16:00
- Icon Of The Seas — guest capacity 5,610 07:00–17:00
- Radiance Of The Seas — guest capacity 2,122 07:00–17:00
Record Cozumel on Thu 26 Aug 2027 is forecast Lively. 3 cruise ships scheduled, at least 11,422 guests at double occupancy; ships in port 07:00–17:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-26 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 27 Aug Lively busier than 45% of days here · ⚓2
- Carnival Liberty — guest capacity 2,978 08:00–16:00
- MSC Seascape — guest capacity 4,540 08:00–16:00
Record Cozumel on Fri 27 Aug 2027 is forecast Lively. 2 cruise ships scheduled, at least 7,518 guests at double occupancy; ships in port 08:00–16:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-27 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 28 Aug Busy busier than 66% of days here · ⚓4
- Adventure Of The Seas — guest capacity 3,382 07:00–17:00
- Carnival Dream — guest capacity 3,646 08:00–16:00
- Carnival Paradise — guest capacity 2,124 08:00–16:00
- Liberty Of The Seas — guest capacity 3,678
Record Cozumel on Sat 28 Aug 2027 is forecast Busy. 4 cruise ships scheduled, at least 12,830 guests at double occupancy. Nearest calmer day: Fri 27 Aug (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/cozumel/#d-2027-08-28 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 29 Aug Calm busier than 32% of days here · ⚓1
- Norwegian Escape — guest capacity 4,266 08:00–16:00
Record Cozumel on Sun 29 Aug 2027 is forecast Calm. 1 cruise ship scheduled, at least 4,266 guests at double occupancy; ships in port 08:00–16:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-29 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 30 Aug Lively busier than 62% of days here · ⚓3
- Carnival Horizon — guest capacity 3,960 09:00–17:00
- Disney Fantasy — guest capacity 2,500 08:00–16:00
- Icon Of The Seas — guest capacity 5,610 08:00–18:00
Record Cozumel on Mon 30 Aug 2027 is forecast Lively. 3 cruise ships scheduled, at least 12,070 guests at double occupancy; ships in port 08:00–18:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-30 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 31 Aug Calm busier than 26% of days here · ⚓1
- Radiance Of The Seas — guest capacity 2,122 07:00–17:00
Record Cozumel on Tue 31 Aug 2027 is forecast Calm. 1 cruise ship scheduled, at least 2,122 guests at double occupancy; ships in port 07:00–17:00. This quiet day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/cozumel/#d-2027-08-31 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Which week of August is quietest in Cozumel?
Late August is the month's quietest stretch in Cozumel — the typical day at 45%, against 52% in mid August.
Can't move the dates? How to avoid the worst crowds
- The heaviest port day is Fri 20 Aug — 5 ships in at once. See the marquee sights on a lighter day, or be there for opening time.
- Need flexibility? The 3rd–9th is the month's calmest stretch — the easiest window to move around in.
- On the busy days, the walk-up queues for the big sights are the biggest time-sink — a timed-entry ticket skips them, which is where a busy month is won or lost.
Travelling on a busy day?
Timed-entry and skip-the-line tickets turn queue time into sightseeing time — sort them before you fly.
August weather in Cozumel
Real heat — around 31°C / 89°F by day, so pace the afternoons and carry water, with rain on about 18 days, so keep a layer handy.
Worth booking the marquee sights ahead for the busy days, but you can keep the rest of the trip flexible.
More about Cozumel in August
Based on: Mexico's public holidays · the official hotel-nights pattern (DATATUR, measured 2022–2024; Cozumel) · five years of weather records (2019–2023) · confirmed event dates · the published cruise schedule
Every figure is recomputed nightly from real cruise schedules, public and school holidays, and long-run climate normals. Gaps are shown, not filled.
