Updated 4 Aug 2026 · recomputed nightly
Visiting Washington, D.C. in December 2026?
December is Washington, D.C. with the crowds gone — Calm every day, cool and wet, around 9°C / 49°F with rain on about 9 days.
In short, quiet and wide open, if the weather doesn't put you off.
Among the 12 months we forecast for Washington, D.C., December ranks 8th for crowd pressure. Its heaviest day is Fri 25 Dec, busier than 33% of the year; its lightest is Tue 1 Dec at 32%.
You won't need skip-the-line tickets here — that's rather the point. A month like this is the one for the longer visit — the guided walk, the food tour, the day out of town, with room and time to enjoy them. see what's on →
How busy is Washington, D.C. in December?
It's quiet right through December — no crowded stretch to plan around.
The month barely moves — every day lands between 32% and 33% of the year. Daylight runs about 9 hours.
Any day works. There is no need to plan your dates around the crowds.
The upside of a quiet December
- The big-ticket sights are walk-ins now; the summer booking scramble is gone.
- This is a wing-it month: nothing needs locking in.
- Early on, you can have the busiest spots almost to yourself — bring a camera.
No queues to skip, and nothing to book ahead — that's the whole point.
December weather in Washington, D.C.
Cold — around 9°C / 49°F, so pack a proper coat, with rain on about 9 days, so keep a layer handy. Daylight is short, about 9 hours, so plan the big sights for the middle of the day.
- Washington, D.C. gets rain on about 9 days in December, so the odds of being caught out are real. What earns its bag space is a shell that packs to nothing, dries fast and has a hood that survives wind; a heavy waterproof is overkill and an umbrella is one more thing to carry through crowds. Browse on Amazon ↗
- Around 9°C / 49°F, and the cold in Washington, D.C. is the damp kind that gets through padding. Thin layers you can peel off indoors work better than one thick coat — a merino base layer carries the load without the bulk. Browse on Amazon ↗
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Is December worth it in Washington, D.C.?
The quiet is the draw and the weather is the price — the city almost to yourself in exchange for the cold.
This is the value month: no need to book far ahead, and the freedom to change plans on the day is part of what you're getting.
Keep planning
Built on: United States' public holidays · the official airport-arrivals pattern (BTS T-100, measured 2023–2025; airport-arrivals proxy for visitor volume) · five years of weather records (2019–2023) · operator-confirmed events
Every figure is recomputed nightly from public and school holidays, and long-run climate normals. Gaps are shown, not filled.