Pacific Grove
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Pacific Grove, CA

Ocean temperature

In Pacific Grove, California, the average seawater temperature in December is 55.6°F (13.1°C).
Note: Swimming in 55.6°F (13.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

December has the shortest days of the year in Pacific Grove, with an average of 9.7h of daylight.

What is the water temperature in December in Pacific Grove?

In Pacific Grove, California, the average seawater temperature in December is 55.6°F (13.1°C). Swimming in 55.6°F (13.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Pacific Grove?

December has the shortest days of the year in Pacific Grove, with an average of 9.7h of daylight.

How many hours of daylight does Pacific Grove have in December?

In December, the average length of the day in Pacific Grove is 9.7h.
Average sea temperature in December - Pacific Grove, CA
  • Average sea temperature in December: 55.6°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 December - Pacific Grove, CA
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).