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

January weather forecast and climate
Oakland, CA

Ocean temperature

In January, the average ocean temperature in Oakland, California, is 53.2°F (11.8°C).
Note: Swimming in 53.2°F (11.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In January, the average length of the day in Oakland is 9.9h.

What is the water temperature in January in Oakland?

In January, the average ocean temperature in Oakland, California, is 53.2°F (11.8°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.

What is the average length of the day in January in Oakland?

In January, the average length of the day in Oakland, California, is 9.9h.
Average sea temperature in January - Oakland, CA
  • Average sea temperature in January: 53.2°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 January - Oakland, CA
  • Average daylight in January: 9.9h

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