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

In Stockton, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 34°C (93°F) in July to a moderate 13°C (55°F) in the coolest month, December.

Nights vary from 16°C (61°F) in July to around 3°C (37°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Stockton tends toward drier weather patterns, receiving approximately 333 mm (13 in) of rain per year. The climate in Stockton shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 70 mm (2.8 in) of precipitation over 11 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 0 mm (0 in) of rainfall over 0 rainy days. For more details, please visit our Stockton Precipitation page.

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

The average number of days each month with precipitation

For those who appreciate different seasons, Stockton serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 14.7 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.

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 Stockton.

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