Sacramento, California weather in January

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

Average high: 57°F
Average low: 40°F
Rainy days: ~8 per month
Total precipitation: 4.0 in
Warmest recorded: 72°F
Coldest recorded: 28°F

Expect January days in Sacramento, California to top out around 57°F and cool to about 40°F overnight, with roughly 8 days of measurable rain across the month. In recent years January has ranged from 28°F to 72°F.

Other months

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