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

December weather forecast and climate
Port Hueneme, CA

Ocean temperature

In December, the average ocean temperature in Port Hueneme, California, is 58.8°F (14.9°C).
Note: Swimming in 58.8°F (14.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

With an average of 9.9h of daylight, December has the shortest days of the year.

What is the ocean temperature in December in Port Hueneme?

In Port Hueneme, California, in December, the average water temperature is 58.8°F (14.9°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 month with the shortest days in Port Hueneme?

December has the shortest days of the year in Port Hueneme, with an average of 9.9h of daylight.

What is the average length of the day in December in Port Hueneme?

The average length of the day in December is 9.9h.
Average sea temperature in December - Port Hueneme, CA
  • Average sea temperature in December: 58.9°F

The best month for swimming (with the highest average sea temperature) is August (64.1°F).
The coldest month (with the lowest average sea temperature) is April (56.7°F).

Average daylight in December - Port Hueneme, CA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).