Weather in Nampa in December
Nampa, United States averages a high of 4.2°C (39.6°F) and low of -3°C (26.6°F) in December, with 9 rain days and 6.1 hours of daily sunshine. Travel score: 49/100 (Mixed). The best time to visit Nampa is August.
High
4°C40°F
Low
-3°C27°F
🌧️
9
rain days
☀️
6.1
hrs/day sunshine
💧
74%
humidity
49— Mixed
December in Nampa is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Nampa?
How much does it rain in Nampa in December?
Nampa receives an average of 44.2mm of rainfall across 9 rainy days in December. The annual total is 286.4mm.
What should I pack for Nampa 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
🎉Visiting United States in December?
Don't miss any public holidays — check before you book!
Compare Nampa
Popular comparisons:
How can I plan my trip to Nampa?
What are other popular cities in United States?
What is the weather like in other months in Nampa?
Data based on 1994–2024 averages · Last updated: 2024-12-31