Weather Forecast and Radar for San Ramon, California

Weather in San Ramon, CA

San Ramon, California experiences mild weather year-round with temperatures ranging from an average high of 64°F in the winter months to an average high of 85°F in the summer months.

In the winter, temperatures rarely drop below freezing, with lows typically ranging from 40-50°F. January is the coldest month, with an average low of 42°F and an average high of 64°F.

Spring temperatures start to warm up, with average highs reaching into the mid-70s. April is the warmest month of the spring, with an average high of 78°F.

Summer temperatures can reach up to the mid-90s, with an average high of 85°F. July and August are the hottest months, with an average high of 90°F.

Fall temperatures begin to cool off again, with average highs reaching into the mid-70s. October is the warmest month of the fall, with an average high of 78°F.

Rainfall is spread out evenly throughout the year, with an average of 14 inches of rain annually.

Fast Facts About San Ramon, CA

As of 2020, the city population is 81344.

Major Cities Nearby San Ramon, CA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for San Ramon, California.