What January feels like in Washington DC
Winter bottoms out in January, the coolest month of Washington DC's year. Daytime temperatures stay cold, and a warm coat is needed even in the middle of the day. Once the sun goes down the air changes: nights hover around freezing, so frost is common. Moisture in the air gives the cold a damp edge.
Rain in Washington DC in January
It is a changeable month: rain comes about one day in 3, with dry spells in between. Each rainy day adds about 8.2 mm (0.3 in), a proper wetting rather than a sprinkle. The yearly figure is similar, around 9.8 mm per wet day. January is Washington DC's driest month of the year.
Daylight and sunshine in January
In mid-January, sunrise is at about 7:25 am and sunset at about 5:08 pm (local time) — 9 h 43 min of daylight. The days are stretching out — 15 min more daylight than mid-December. Measured sunshine covers about 67% of the daylight — there are plenty of bright spells.
How January compares to the rest of the year
January is the coolest month of the year in Washington DC. Against December, the average high is 2.5°C (4.5°F) lower, with 24 mm less rain. From here it only gets warmer, starting with February. By February, typical highs are 8°C (46.4°F).
Who January suits
- Sightseeing: less ideal — it is cold for long walks.
- Parks & outdoor: less ideal — too cool to sit outside for long.
Tips for visiting Washington DC in January
Versatile Layers
Mornings and evenings are cooler than midday, so dress in layers.
Rain Protection
A compact umbrella and a light waterproof jacket.
Warm Layers
A proper winter coat, with gloves and a hat for early starts.
Quick questions
How warm is Washington DC in January?
Expect around 6.1°C (43°F) in the afternoon and -2.3°C (27.9°F) at night, which most visitors would call cold.
Does it rain a lot in Washington DC in January?
Quite a lot — 74 mm spread over about 9 days.
What should I wear in Washington DC in January?
Based on the averages: versatile layers, rain protection and warm layers. Bring something extra for the cooler evenings.
Is January or February better for visiting Washington DC?
On our 12-month climate ranking, February comes out ahead (#11 of 12 vs #12). February is warmer.