Weather in Caldwell in December
Caldwell, United States averages a high of 4.1°C (39.4°F) and low of -2.9°C (26.8°F) in December, with 9 rain days and 5.9 hours of daily sunshine. Travel score: 48.8/100 (Mixed). The best time to visit Caldwell is July.
High
4°C39°F
Low
-3°C27°F
🌧️
9
rain days
☀️
5.9
hrs/day sunshine
💧
74%
humidity
49— Mixed
December in Caldwell is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Caldwell?
How much does it rain in Caldwell in December?
Caldwell receives an average of 44.4mm of rainfall across 9 rainy days in December. The annual total is 271.1mm.
What should I pack for Caldwell in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 4°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -3°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31