Weather in Walnut Creek in December
Walnut Creek, United States averages a high of 13.8°C (56.8°F) and low of 6.2°C (43.2°F) in December, with 9 rain days and 6.8 hours of daily sunshine. Travel score: 62.3/100 (Good). The best time to visit Walnut Creek is September.
High
14°C57°F
Low
6°C43°F
🌧️
9
rain days
☀️
6.8
hrs/day sunshine
💧
79%
humidity
62— Good
December in Walnut Creek is cool and occasionally wet — good for most activities.
What are the average temperatures in Walnut Creek?
How much does it rain in Walnut Creek in December?
Walnut Creek receives an average of 93.6mm of rainfall across 9 rainy days in December. The annual total is 469.8mm.
What should I pack for Walnut Creek in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 14°C
🧶
Sweaters and warm layers
Layer up for comfort
🎉Visiting United States in December?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31