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

January weather forecast and climate
Opal Cliffs, CA

Ocean temperature

In January, the average ocean temperature in Opal Cliffs, California, is 54.1°F (12.3°C).
Note: Swimming in 54.1°F (12.3°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.

Daylight

The average length of the day in January in Opal Cliffs is 10h.

What is the water temperature in January in Opal Cliffs?

In Opal Cliffs, California, the average seawater temperature in January is 54.1°F (12.3°C). Swimming in 54.1°F (12.3°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 Opal Cliffs?

In Opal Cliffs, California, the average length of the day in January is 10h.
Average sea temperature in January - Opal Cliffs, CA
  • Average sea temperature in January: 54.1°F

Best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).

Average daylight in January - Opal Cliffs, CA
  • Average daylight in January: 10h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).