Weather in Rocklin in December
Rocklin, United States averages a high of 12.8°C (55°F) and low of 4.1°C (39.4°F) in December, with 10 rain days and 6.7 hours of daily sunshine. Travel score: 58.6/100 (Mixed). The best time to visit Rocklin is July.
High
13°C55°F
Low
4°C39°F
🌧️
10
rain days
☀️
6.7
hrs/day sunshine
💧
77%
humidity
59— Mixed
December in Rocklin is cool and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Rocklin?
How much does it rain in Rocklin in December?
Rocklin receives an average of 150.7mm of rainfall across 10 rainy days in December. The annual total is 747.1mm.
What should I pack for Rocklin in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 13°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 4°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