Weather in United States in December
December in United States is deep winter. Days are short. The outdoor plan is a window in the middle of the day or not at all.
A country pin in December is a warning: one region of United States will not match another. Use a city page if you already know where you are going. Compared with July and January, December sits in the middle of United States's year.
- Average temp
- 0°C
-5–5°C
- Rainfall
- 26 mm
Not much rain
- Sunshine
- —
- Wind
- 16 km/h
What to expect
Daytime
Days in United States in December are about getting between indoor places. The cold is the story. Gloves are not a fashion choice.
A clear spell is for a short walk, then back in. Do not plan a long outdoor day as the default. Night falls early and the cold deepens with it.
Rain
Mixed skies in United States in December. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
A layer for cooler evenings
Where to stay in United States
Featured stays on trip1. Dates are a starting point for December.
Travel guides for United States
What to read before you book.
Average weather in United States
TemperatureRainfall
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FAQs about United States
Climate averages for United States, 1991–2020.
The best time to visit United States is between May and October, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 26°C.
May is the wettest month, with about 112 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
