Rio del Mar
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Rio del Mar, CA

Average sea temperature - Rio del Mar, CA

Best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).

Average daylight - Rio del Mar, CA

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).