Destination packing checklists

Washington DC weather in December

Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average

Washington DC December weather at a glance

D Challenging 😓

In December, Washington DC averages 2.7°C, with typical highs of 6.8°C and lows of -0.9°C. The historical average is 9 wet days and 69% humidity.

Compared with Seoul in December, it is 3.6°C warmer than Seoul, with 4 more wet days.

Washington DC December temperature & humidity

Average2.7°CHigh 6.8° / low -0.9°
Humidity69%
Wet days9 days29% of days
Day–night range7.7°

Washington DC December rain & wet days

Wet days9 daysHistorical monthly average
Share of wet days29%Not a forecast probability

Pack a compact umbrella. Keep an indoor stop available between outdoor activities.

What to wear in Washington DC in December

A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Showers are possible, so a compact umbrella is useful.

  • DaytimeWarm coat and layered tops · average high 6.8°C
  • Morning & eveningInsulating coat, scarf and gloves · average low -0.9°C
  • FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Useful extras
Warm jacket or coatKnitwearCompact umbrella
Use the New York checklist as a starting point →

Washington DC December sunrise & sunset times

2026 December · Local time (America/New_York)

Sunrise on the 15th07:20
Sunset on the 15th16:47
Daylight duration9h 27m
Start, middle and end of the month
DateSunriseSunsetDaylight
2026-12-0107:0816:469h 39m
2026-12-1507:2016:479h 27m
2026-12-3107:2716:569h 29m

For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.

Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup

Washington DC travel updates

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Washington DC travel essentials

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Best months to visit Washington DC

Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.

ColdHot

December weather by year

December 20243.7°11 wet days, 71% humidity
December 20251.8°7 wet days, 66% humidity

Daily weather in 2025

Daily high and low temperatures; blue labels show precipitation

17°1°
24°0°19mm
36°-1°
46°-2°
50°-3°3mm
64°-1°
75°-2°
82°-3°
91°-6°
107°-1°
115°-2°
123°-2°
136°-3°
142°-8°6.3mm
15-4°-9°
163°-9°
1711°-3°
1811°-1°5mm
1914°2°12mm
206°-3°
219°2°
227°-3°
238°3°2.5mm
2412°5°
2513°2°
264°-1°5.2mm
276°1°
287°0°
2914°-1°
300°-3°
313°-3°

Frequently asked questions

What is Washington DC weather like in December?

In December, Washington DC averages 2.7°C, with typical highs of 6.8°C and lows of -0.9°C. The historical average is 9 wet days and 69% humidity. Our weather-comfort rating for this month is challenging.

Does it rain a lot in Washington DC in December?

There are about 9 wet days in December. A compact umbrella is still useful.

What should I wear in Washington DC in December?

A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. Showers are possible, so a compact umbrella is useful.

What are the best months to visit Washington DC?

Recent weather data rates April, August, October among the more comfortable months.

Where can I check Washington DC weather in December in real time?

Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.

What time are sunrise and sunset in Washington DC in December?

On 2026-12-15, calculated sunrise is 07:20 and sunset is 16:47 in local time (America/New_York). Times vary by date and terrain.

Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations