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

October weather forecast and climate
Oakland, CA

Ocean temperature

In Oakland, California, in October, the average water temperature is 57°F (13.9°C).
Note: 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.


In October, the average length of the day in Oakland is 11.2h.

What is the ocean temperature in October in Oakland?

In Oakland, California, the average seawater temperature in October is 57°F (13.9°C). Swimming in 57°F (13.9°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 October?

In October, the average length of the day in Oakland is 11.2h.
Average sea temperature in October - Oakland, CA
  • Average sea temperature in October: 56.9°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 October - Oakland, CA
  • Average daylight in October: 11.2h

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