Weather in California, United States in December

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Visiting California, United States in December

December is a bit cold, and sunny but overcast at times. December is predominantly dry but a bit rainy with occasional light showers, though there are many days with out any rain. It is not a good time for sunbathing in California. December is too cold for swimming in California for any length of time, unless you have a wetsuit. Consider visiting California in the months of June, July, August, September, for the best beach weather.

Also consider one of our other suggestions for December.

Can you sunbathe in California in December?

No, December is not a good time for sunbathing in California. December is too cold, with quite a high chance of overcast or cloudy skies and there is some chance of rain showers.

The average maximum temperature in California in December is 17°C (62°F).

More about December temperature and sunshine.

Can you swim in California in December?

No, December is too cold for swimming in California for any length of time, with the sea water at 15°C (59°F), unless you have a wetsuit.

More about December sea temperatures.

Is December a good time to holiday in California?

Probably not, December is not a good time for a holiday in California.

December is a bit cold and sunny but overcast at times. It is predominantly dry but a bit rainy with occasional light showers, though there are many days with out any rain.

However you can still enjoy the beach scenery with walks along the beach.

The average maximum temperature in California in December is 17°C (62°F).

More about the December temperatures and sunshine.

How cold is California in December?

The average minimum temperature in California in December is 7°C (44°F). The minimum temperature is 9°C (49°F) in the previous month and 7°C (44°F) in the next month.

More about the December temperatures and sunshine.

How sunny is California in December?

The average day light hours per day in California in December are 9.8 and there are 6.2 hours of sunshine per day on average during December, making it sunny but overcast at times.

More about December sunshine.

Is it warm enough to swim in California in December?

No, December is too cold for swimming in California for any length of time, with the sea water at 15°C (59°F), unless you have a wetsuit.

More about December sea temperatures.

Is California warm in December?

No, California is a bit cold in December.

The average maximum temperature in California in December is 17°C (62°F). The average maximum temperature is 20°C (68°) in the previous month and 17°C (63°F) in the next month.

The average temperature in California in December is 12°C (53°F). The average temperature ranges is 15°C (58°F) in the previous month and 12°C (53°F) in the next month.

More info about the December temperatures and sunshine.

Temperature in California in December

The average maximum temperature in California in December is 17°C (62°F). The average maximum temperature is 20°C (68°F) in the previous month and 17°C (63°F) in the next month.

The average temperature in California in December is 12°C (53°F). The average temperature ranges is 15°C (58°F) in the previous month and 12°C (53°F) in the next month.

The average minimum temperature in California in December is 7°C (44°F). The minimum temperature is 9°C (49°F) in the previous month and 7°C (44°F) in the next month.

Sunshine in California in December

The average day light hours per day in California in December are 9.8 and there are 6.2 hours of sunshine per day on average during December making it sunny but overcast at times

The ultraviolet index in California in December is typically 2.8 during December. An ultraviolet index reading of 0 to 2 indicates low danger from the sun's UV rays for the average person. Most people will be able to spend several hours in the sun with out a problem, however unprotected skin risks burning in less than 1 hour. Wear sunglasses on bright days. Only those that burn easily will need to apply sunscreen. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in California in December

The average sea water temperature in California in December is 14.8°C (58.6°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Rainfall in California in December

The average total rainfall in California in December is 10.2cm (4.0inches) and on average there are 9.8 rainy days in December making it a quite rainy time to visit the beach.

Humidity in California in December

The maximum dew point (an indicator of humidity) in California in December is 9°C (48°F) which is a bit dry for some. The dew point is 11°C (51°F) in the previous month and 8°C (8°F) in the next month.

The average maximum relative humidity in California in December is typically 87.3%. The maximum relative humidity is 86.7% in the previous month and 86.1% in the next month.

The average relative humidity in California in December is typically 69.8%. The average relative humidity is 68.1% in the previous month and 67.6% in the next month.

Wind Speed in California in December

The average maximum wind speed in California in December is typically 22KM/H (13MPH). The average maximum wind speed is 21KM/H (13MPH) in the previous month and 21KM/H (13MPH) in the next month.

The average wind speed in California in December is typically 8KM/H (5MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 8KM/H (5MPH) in the next month.

The average wind direction in California in December is from the South East.

Monthly Averages

Suggested Beaches in December

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