Sacramento (CA) Weather & Climate: Best Time to Visit

In Sacramento, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 34°C (93°F) in July to a moderate 13°C (55°F) in January.

Nighttime temperatures range from 16°C (61°F) in July to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Sacramento typically sees modest rainfall throughout the year, with an average annual precipitation of 437 mm (17 in). The seasons in Sacramento bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 95 mm (3.7 in) of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 0 mm (0 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Sacramento Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Sacramento, summer days are longer and more sunny, with daily sunshine hours peaking at 14.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Sacramento.

The city experiences its highest humidity in January, reaching 83%. In July, the humidity drops to its lowest level at 53%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year