Weather in San Clemente, United States in December

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Visiting San Clemente, United States in December

The weather in December is noticeably cooler than the previous month. December has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright. It is not a good time for sunbathing in San Clemente.

December has total rainfall of 6.4cm (2.5inches) making it mostly dry with only intermittent light showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the majority of days.

Sea temperatures are a cold 15°C (59°F). December is too cold for swimming in San Clemente 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 San Clemente 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 San Clemente in December?

No, December is not a good time for sunbathing in San Clemente.

December has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright. December has total rainfall of 6.4cm (2.5inches) making it mostly dry with only intermittent light showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the majority of days.

More about December temperature and sunshine.

Can you swim in San Clemente in December?

No, December is too cold for swimming in San Clemente 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 San Clemente?

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

December has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright. December has total rainfall of 6.4cm (2.5inches) making it mostly dry with only intermittent light showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the majority of days. It is not a good time for sunbathing in San Clemente. Sea temperatures are a cold 15°C (59°F). December is too cold for swimming in San Clemente for any length of time, unless you have a wetsuit.

More about the December temperatures and sunshine.

Is San Clemente warm in December?

No, San Clemente is a little too chilly for sunbathing in December.

The average maximum temperature in San Clemente in December is 16°C (61°F). The average maximum temperature is 19°C (66°) in the previous month and 17°C (63°F) in the next month.

The average temperature in San Clemente in December is 13°C (55°F). The average temperature is 15°C (58°F) in the previous month and 13°C (55°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is San Clemente in December?

The average day light hours per day in San Clemente in December are 10. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright.

More about December sunshine.

Temperature in San Clemente in December

The weather in December is noticeably cooler than the previous month. The average maximum temperature in San Clemente in December is 16°C (61°F). The average maximum temperature is 19°C (66°F) in the previous month and 17°C (63°F) in the next month.

The average temperature in San Clemente in December is 13°C (55°F). The average temperature is 15°C (58°F) in the previous month and 13°C (55°F) in the next month.

The average minimum temperature in San Clemente in December is 9°C (48°F). The minimum temperature is 10°C (50°F) in the previous month and 9°C (47°F) in the next month.

Sunshine in San Clemente in December

The days in December are slightly shorter than the previous month. December has slightly less hours of sunshine than the previous month. During December the average day light hours are 10 per day in San Clemente. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright.

The ultraviolet index in San Clemente in December is typically 3.5 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 San Clemente in December

The average sea water temperature in San Clemente in December is 15°C (59°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 San Clemente 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 San Clemente in December is 6.4cm (2.5inches) and on average there are 10.2 rainy days in December making it a pretty wet time to visit the beach.

Humidity in San Clemente in December

The maximum dew point (an indicator of humidity) in San Clemente in December is 10°C (51°F) which is very comfortable. The dew point is 12°C (53°F) in the previous month and 10°C (10°F) in the next month.

The average maximum relative humidity in San Clemente in December is typically 85.1%. The maximum relative humidity is 83.8% in the previous month and 79.7% in the next month.

The average relative humidity in San Clemente in December is typically 70.6%. The average relative humidity is 67.3% in the previous month and 62.9% in the next month.

Wind Speed in San Clemente in December

The average maximum wind speed in San Clemente in December is typically 20KM/H (13MPH). The average maximum wind speed is 20KM/H (12MPH) in the previous month and 20KM/H (12MPH) in the next month.

The average wind speed in San Clemente in December is typically 10KM/H (6MPH). The average wind speed is 9KM/H (6MPH) in the previous month and 9KM/H (6MPH) in the next month.

The average wind direction in San Clemente in December is from the North-Northeast.

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.