Climate
Weather in United States in December
Weather in United States, December
In December, United States sees average highs of 9.1°C (48°F) and lows of 0.5°C (33°F), with around 96 mm of rain.
United States — December
United States → December
- Daytime high
- 9.1°C (48°F)
- Overnight low
- 0.5°C (33°F)
- Rainfall
- 96 mm
- Best-time rank
- Off-peak
How December compares
| This month | 9.1°C (48°F) / 0.5°C (33°F) · 96 mm |
|---|---|
| Yearly average | 19.5°C (67°F) / 9.7°C (49°F) · 108 mm |
December in United States runs 10.4°C (18.7°F) cooler than the yearly average, and is drier than the yearly average. Pack winter clothing — it will be cold.
Common questions
What is the weather like in United States in December?
Average highs of 9.1°C (48°F) and lows of 0.5°C (33°F), with around 96 mm of rain.
Is December a good time to visit United States?
It is an off-peak month for comfort in United States; May, June, September tend to be more pleasant.
Updated climate normals, 2025