Channel Islands Beach
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Channel Islands Beach, CA

Ocean temperature

In Channel Islands Beach, California, in December, the average water temperature 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 in Channel Islands Beach.

What is the ocean temperature in December in Channel Islands Beach?

In Channel Islands Beach, 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 Channel Islands Beach?

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

What is the average length of the day in December in Channel Islands Beach?

In December, the average length of the day is 9.9h.
Average sea temperature in December - Channel Islands Beach, 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 - Channel Islands Beach, 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).