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

May 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 Belvedere, the average length of the day in May is 14.2h.

When is 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.

How cold is the water in May in Belvedere?

In May, the average ocean temperature 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 May?

In May, the average length of the day is 14.2h.
Average sea temperature in May - Belvedere, CA
  • Average sea temperature in May: 53.1°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 May - Belvedere, CA
  • Average daylight in May: 14.2h

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