San-Lorenzo Weather Forecast

Rate this place

Last Updated: December 7, 2025

San Lorenzo, California is a small suburban town located in the East Bay region of the San Francisco Bay Area.


°F

°F

mph

Wind

%

Humidity

Summary

The town boasts a Mediterranean climate characterized by mild, wet winters and warm, dry summers. Average temperatures range from around 50°F (10°C) in winter to the mid-70s°F (mid-20s°C) during summer. Precipitation is concentrated in the winter months, with an average annual rainfall of around 20 inches.

San Lorenzo is not directly located on a major water body, but it is surrounded by several hydrological features. To the east, the town is bordered by the San Lorenzo Creek, which flows from the Santa Cruz Mountains to the San Francisco Bay. This creek provides a serene backdrop for outdoor activities such as fishing and hiking along its scenic trails.

San Lorenzo also offers various outdoor recreation opportunities. Residents and visitors can explore the nearby Hayward Regional Shoreline, where hiking and biking trails wind through wetlands and marshes, providing excellent bird-watching opportunities. In addition, the nearby Lake Chabot Regional Park offers activities such as boating, fishing, hiking, and camping, making it a popular destination for outdoor enthusiasts.

Overall, San Lorenzo, California provides a comfortable Mediterranean climate, access to the scenic San Lorenzo Creek, and nearby outdoor recreation opportunities, making it an attractive location for nature lovers and outdoor enthusiasts.

       

Weather Forecast

San-Lorenzo receives approximately 541mm of rain per year, with humidity levels near 87% and air temperatures averaging around 15°C. San-Lorenzo has a plant hardyness factor of 10, meaning plants and agriculture in this region tend to thrive here all year round.