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

August weather forecast and climate
Oakland, CA

Ocean temperature

In Oakland, California, the average seawater temperature in August is 56.7°F (13.7°C).
Note: Swimming in 56.7°F (13.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in August in Oakland is 13.6h.

How cold is the water in August in Oakland?

In August, the average ocean temperature in Oakland, California, is 56.7°F (13.7°C). Swimming in 56.7°F (13.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Oakland have in August?

In Oakland, California, the average length of the day in August is 13.6h.
Average sea temperature in August - Oakland, CA
  • Average sea temperature in August: 56.7°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 August - Oakland, CA
  • Average daylight in August: 13.6h

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