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

Monthly weather forecast and climate
Seal Beach, CA

Best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 10.9h).