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

January weather forecast and climate
Mendocino, CA

Ocean temperature

In Mendocino, California, the average seawater temperature in January is 52.7°F (11.5°C).
Note: Swimming in 52.7°F (11.5°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 is 9.8h.

How cold is the water in January in Mendocino?

In Mendocino, in January, the average water temperature is 52.7°F (11.5°C). Swimming in 52.7°F (11.5°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.

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

The average length of the day in January in Mendocino is 9.8h.
Average sea temperature in January - Mendocino, CA
  • Average sea temperature in January: 52.6°F

The best month for swimming (with the highest average sea temperature) is October (55.6°F).
The coldest month (with the lowest average sea temperature) is April (52.1°F).

Average daylight in January - Mendocino, CA
  • Average daylight in January: 9.8h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).