California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Belvedere, CA

Average sea temperature - Belvedere, CA

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
Coldest months (with the lowest average sea temperature) are April and June (53°F).

Average daylight - Belvedere, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).