Updated 16 Sep 2026 · recomputed nightly
Is July 2027 a good month to visit Kos?
Packed — the typical July day in Kos is busier than 89% of its year.
If you are coming for something that only happens in July, that is the trade. If not, January is quieter.
Calm · Lively · Busy · Packed rank a day against Kos's own year — not a headcount.
July is one of Kos's busiest months: hot and dry, around 30°C / 87°F, and Busy or Packed on all 31 days — 27 of them Packed, the other 4 Busy.
No — not if you want Kos to yourself. Every one of July's 31 days in our window is Busy or Packed, and the typical day is Packed. It is crowded throughout. Expect around 30 °C by day, with rain on about 1 days. The crowd comes with the school holidays in Germany and the Netherlands. Cruise ships call on 2 of the 31 days. Early July is the month's quietest stretch in Kos — the typical day at 85%, against 92% in late July. For similar weather with fewer people, come in October or May. The crush is at the Asklepion at coach hours; the quiet is at the coastal bike path. The calmest day is Thursday 1 July, the busiest Thursday 22 July.
In short, worth it for the peak buzz, if you can take the crowds.
Among the 12 months we forecast for Kos, July ranks 3rd for crowd pressure. Its heaviest day is Thu 22 Jul, busier than 100% of the year; its lightest is Thu 1 Jul at 84%.
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 →
Plan around the heat — around 30°C by day.
Refilling costs nothing and saves the walk to find a shop.
See water bottles →
The one thing you wear all day, every day of the trip.
See walking shoes →
How busy is Kos in July?
The busiest days are the 8th, 12th, 22nd and 29th, and 27 more.
Ships call on 2 of 31 days, a typical call day carrying at least 3,012 guests — real, but a secondary part of the crowd here; the season moves the needle more.
Across the month the days run from 84% to 100% of the year. Daylight runs about 14 hours.
The lightest days are the 1st, 2nd and 3rd. Still busy — but the easiest of the month — 4 days share that level, so there is room to choose.
Thu 01 Jul Busy busier than 84% of days here · Germany school holidays
Record Kos on Thu 1 Jul 2027 is forecast Busy. Why: school holidays in Germany. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-01 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 02 Jul Busy busier than 84% of days here · Germany school holidays
Record Kos on Fri 2 Jul 2027 is forecast Busy. Why: school holidays in Germany. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-02 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 03 Jul Busy busier than 84% of days here · Germany school holidays
Record Kos on Sat 3 Jul 2027 is forecast Busy. Why: school holidays in Germany. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-03 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 04 Jul Busy busier than 84% of days here · Germany school holidays
Record Kos on Sun 4 Jul 2027 is forecast Busy. Why: school holidays in Germany. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-04 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 05 Jul Packed busier than 85% of days here · Germany school holidays
Record Kos on Mon 5 Jul 2027 is forecast Packed. Why: school holidays in Germany. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-05 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 06 Jul Packed busier than 85% of days here · Germany school holidays
Record Kos on Tue 6 Jul 2027 is forecast Packed. Why: school holidays in Germany. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-06 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 07 Jul Packed busier than 85% of days here · Germany school holidays
Record Kos on Wed 7 Jul 2027 is forecast Packed. Why: school holidays in Germany. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-07 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 08 Jul Packed busier than 99% of days here · ⚓1 · Germany school holidays
- Costa Pacifica — guest capacity 3,012 07:00–17:00
Record Kos on Thu 8 Jul 2027 is forecast Packed. Why: school holidays in Germany. 1 cruise ship scheduled, at least 3,012 guests at double occupancy; ships in port 07:00–17:00. Nearest calmer day: Sun 4 Jul (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-08 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 09 Jul Packed busier than 85% of days here · Germany school holidays
Record Kos on Fri 9 Jul 2027 is forecast Packed. Why: school holidays in Germany. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-09 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 10 Jul Packed busier than 87% of days here · Germany school holidays
Record Kos on Sat 10 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-10 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 11 Jul Packed busier than 87% of days here · Germany school holidays
Record Kos on Sun 11 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-11 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 12 Jul Packed busier than 95% of days here · Germany school holidays
Record Kos on Mon 12 Jul 2027 is forecast Packed. Why: Germany school holidays; UK public holiday; Netherlands school holidays. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-12 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 13 Jul Packed busier than 87% of days here · Germany school holidays
Record Kos on Tue 13 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-13 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 14 Jul Packed busier than 87% of days here · Germany school holidays
Record Kos on Wed 14 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-14 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 15 Jul Packed busier than 87% of days here · Germany school holidays
Record Kos on Thu 15 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-15 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 16 Jul Packed busier than 87% of days here · Germany school holidays
Record Kos on Fri 16 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-16 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 17 Jul Packed busier than 89% of days here · Germany school holidays
Record Kos on Sat 17 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-17 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 18 Jul Packed busier than 89% of days here · Germany school holidays
Record Kos on Sun 18 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 4 Jul (Busy). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-18 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 19 Jul Packed busier than 90% of days here · Germany school holidays
Record Kos on Mon 19 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-19 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 20 Jul Packed busier than 90% of days here · Germany school holidays
Record Kos on Tue 20 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-20 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 21 Jul Packed busier than 90% of days here · Germany school holidays
Record Kos on Wed 21 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-21 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 22 Jul Packed the busiest day in our forecast · ⚓1 · Germany school holidays
- Costa Pacifica — guest capacity 3,012 07:00–17:00
Record Kos on Thu 22 Jul 2027 is forecast Packed, the busiest day of its forecast year. Why: school holidays in Germany and the Netherlands. 1 cruise ship scheduled, at least 3,012 guests at double occupancy; ships in port 07:00–17:00. Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-22 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 23 Jul Packed busier than 90% of days here · Germany school holidays
Record Kos on Fri 23 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-23 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 24 Jul Packed busier than 92% of days here · Germany school holidays
Record Kos on Sat 24 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-24 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 25 Jul Packed busier than 92% of days here · Germany school holidays
Record Kos on Sun 25 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-25 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 26 Jul Packed busier than 92% of days here · Germany school holidays
Record Kos on Mon 26 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-26 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 27 Jul Packed busier than 92% of days here · Germany school holidays
Record Kos on Tue 27 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-27 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 28 Jul Packed busier than 92% of days here · Germany school holidays
Record Kos on Wed 28 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-28 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 29 Jul Packed busier than 93% of days here · Germany school holidays
Record Kos on Thu 29 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-29 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 30 Jul Packed busier than 93% of days here · Germany school holidays
Record Kos on Fri 30 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-30 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 31 Jul Packed busier than 93% of days here · Germany school holidays
Record Kos on Sat 31 Jul 2027 is forecast Packed. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kos/#d-2027-07-31 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Which week of July is quietest in Kos?
Early July is the month's quietest stretch in Kos — the typical day at 85%, against 92% in late July.
Can't move the dates? How to avoid the worst crowds
- 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.
July weather in Kos
Real heat — around 30°C / 87°F by day, so pace the afternoons and carry water, with rain on only about 1 days. The days are long too — close to 14 hours of light — so the evenings stay open for walking once the heat drops.
Book beds and the big-ticket sights well ahead, and start your days by eight — in a month this full, the early hours are the only uncrowded ones.
More about Kos in July
Based on: Greece's public holidays · school vacations across Germany and the Netherlands · the season pattern from official overnight stays · 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.
