Sacramento, California weather in December

Averages from 2021–2025 (155 days of record).

Average high: 55°F
Average low: 41°F
Rainy days: ~12 per month
Total precipitation: 6.7 in
Warmest recorded: 66°F
Coldest recorded: 28°F

Expect December days in Sacramento, California to top out around 55°F and cool to about 41°F overnight, with roughly 12 days of measurable rain across the month. In recent years December has ranged from 28°F to 66°F.

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Current Sacramento, California forecast → · Historical data by Open-Meteo (ERA5).