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

April weather forecast and climate
Belvedere, CA

Ocean temperature

April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater in Belvedere, California.
Note: Swimming in 53.1°F (11.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In April, the average length of the day is 13.2h.

What months are the ocean coldest in Belvedere?

April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater in Belvedere, California.

What is the ocean temperature in April in Belvedere?

In April, the average ocean temperature in Belvedere, California, is 53.1°F (11.7°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Belvedere have in April?

In April, the average length of the day in Belvedere is 13.2h.
Average sea temperature in April - Belvedere, CA
  • Average sea temperature in April: 53°F

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 in April - Belvedere, CA
  • Average daylight in April: 13.2h

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