Weather in Santa Monica, United States in December

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Visiting Santa Monica, United States in December

The weather in December is noticeably colder than the previous month. December has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 6.8hrs. It is not a good time for sunbathing in Santa Monica.

December has total rainfall of 6.6cm (2.6inches) making it mostly dry with only light showers. There are just 8.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a cold 15°C (60°F). December is too cold for swimming in Santa Monica for any length of time, unless you have a wetsuit. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.

Consider visiting Santa Monica 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 Santa Monica in December?

No, December is not a good time for sunbathing in Santa Monica.

December has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 6.8hrs. December has total rainfall of 6.6cm (2.6inches) making it mostly dry with only light showers. There are just 8.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about December temperature and sunshine.

Can you swim in Santa Monica in December?

No, December is too cold for swimming in Santa Monica for any length of time, with the sea water at 15°C (60°F), unless you have a wetsuit.

More about December sea temperatures.

Is December a good time to holiday in Santa Monica?

Yes, December is a slightly cool time for a holiday in Santa Monica.

December has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 6.8hrs. December has total rainfall of 6.6cm (2.6inches) making it mostly dry with only light showers. There are just 8.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is not a good time for sunbathing in Santa Monica. Sea temperatures are a cold 15°C (60°F). December is too cold for swimming in Santa Monica for any length of time, unless you have a wetsuit.

More about the December temperatures and sunshine.

Is Santa Monica warm in December?

No, Santa Monica is not that warm but sunbathing may be possible on some clear days in December.

The average maximum temperature in Santa Monica in December is 18°C (64°F). The average maximum temperature is 21°C (70°) in the previous month and 19°C (66°F) in the next month.

The average temperature in Santa Monica in December is 14°C (56°F). The average temperature is 16°C (62°F) in the previous month and 14°C (57°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Santa Monica in December?

The average day light hours per day in Santa Monica in December are 9.9. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 6.8hrs.

More about December sunshine.

Temperature in Santa Monica in December

The weather in December is noticeably colder than the previous month. The average maximum temperature in Santa Monica in December is 18°C (64°F). The average maximum temperature is 21°C (70°F) in the previous month and 19°C (66°F) in the next month.

The average temperature in Santa Monica in December is 14°C (56°F). The average temperature is 16°C (62°F) in the previous month and 14°C (57°F) in the next month.

The average minimum temperature in Santa Monica in December is 9°C (49°F). The minimum temperature is 12°C (53°F) in the previous month and 10°C (49°F) in the next month.

Sunshine in Santa Monica in December

The days in December are slightly shorter than the previous month. December has fewer hours of sunshine than the previous month. During December the average day light hours are 9.9 per day in Santa Monica. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 6.8hrs.

The ultraviolet index in Santa Monica in December is typically 3.3 during December. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Santa Monica in December

The average sea water temperature in Santa Monica in December is 15.3°C (59.5°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.

Rainfall in Santa Monica in December

December weather is slightly wetter than the previous month. December has a few more days of rain than the previous month. The average total rainfall in Santa Monica in December is 6.6cm (2.6inches) and on average there are 8.7 rainy days in December making it a quite rainy time to visit the beach.

Humidity in Santa Monica in December

The maximum dew point (an indicator of humidity) in Santa Monica in December is 9°C (48°F) which is a bit dry for some. The dew point is 11°C (52°F) in the previous month and 8°C (8°F) in the next month.

The average maximum relative humidity in Santa Monica in December is typically 80.9%. The maximum relative humidity is 80.1% in the previous month and 77.8% in the next month.

The average relative humidity in Santa Monica in December is typically 61.3%. The average relative humidity is 60.8% in the previous month and 56.7% in the next month.

Wind Speed in Santa Monica in December

The average maximum wind speed in Santa Monica in December is typically 15KM/H (10MPH). The average maximum wind speed is 15KM/H (9MPH) in the previous month and 16KM/H (10MPH) in the next month.

The average wind speed in Santa Monica in December is typically 6KM/H (4MPH). The average wind speed is 5KM/H (3MPH) in the previous month and 6KM/H (4MPH) in the next month.

The average wind direction in Santa Monica in December is from the North.

Monthly Averages

Suggested Beaches in December

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.