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

December weather forecast and climate
Coronado, CA

Ocean temperature

In December, the average ocean temperature in Coronado, California, is 60.4°F (15.8°C).
Note: Swimming in 60.4°F (15.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

December has the shortest days of the year in Coronado, with an average of 10h of daylight.

What is the ocean temperature in December in Coronado?

In December, the average ocean temperature is 60.4°F (15.8°C). Swimming in 60.4°F (15.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Coronado?

The month with the shortest days is December, with an average of 10h of daylight.

What is the average length of the day in December in Coronado?

In Coronado, the average length of the day in December is 10h.
Average sea temperature in December - Coronado, CA
  • Average sea temperature in December: 60.4°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).

Average daylight in December - Coronado, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).