San Jose Weather & Climate: Best Time to Visit

In San Jose temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in May to a comfortable 28°C (82°F) in January.

Nighttime temperatures range from 27°C (81°F) in May to 25°C (77°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

San Jose experiences significant rainfall throughout the year, averaging 2903 mm (114 in) of precipitation annually. The seasons in San Jose bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 415 mm (16 in) of precipitation. This rainfall is distributed across 20 rainy days.

In contrast, the driest month, April, experiences much less rainfall, totaling 83 mm (3.3 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Jose Precipitation page.

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

The average number of days each month with precipitation

The city experiences its highest humidity in January, reaching 81%. In April, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year