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Best
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Best
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Best
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Best
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Tan
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Tan
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Tan
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Tan
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Tan
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Sea
13°
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Sea
13°
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Sea
14°
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Sea
14°
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Sea
15°
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Sea
17°
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Sea
18°
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Sea
19°
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Sea
19°
Swim
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Sea
17°
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Sea
16°
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Sea
15°
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The weather in December is noticeably cooler than the previous month. December has average maximum temperatures of 14°C (58°F) which is a little too chilly for sunbathing. The sunshine percentage is 53.2% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. It is not a good time for sunbathing in Marin County.
December has total rainfall of 12.3cm (4.8inches) making it often dry with only moderate showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the many clear days.
Sea temperatures are a cold 15°C (59°F). December is too cold for swimming in Marin County 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 Marin County in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for December.
No, December is not a good time for sunbathing in Marin County.
December has average maximum temperatures of 14°C (58°F) which is a little too chilly for sunbathing. The sunshine percentage is 53.2% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. December has total rainfall of 12.3cm (4.8inches) making it often dry with only moderate showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the many clear days.
More about December temperature and sunshine.
No, December is too cold for swimming in Marin County for any length of time, with the sea water at 15°C (59°F), unless you have a wetsuit.
More about December sea temperatures.
No, December is not a good time for a holiday in Marin County.
December has average maximum temperatures of 14°C (58°F) which is a little too chilly for sunbathing. The sunshine percentage is 53.2% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. December has total rainfall of 12.3cm (4.8inches) making it often dry with only moderate showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the many clear days. It is not a good time for sunbathing in Marin County. Sea temperatures are a cold 15°C (59°F). December is too cold for swimming in Marin County for any length of time, unless you have a wetsuit.
More about the December temperatures and sunshine.
No, Marin County is a little too chilly for sunbathing in December.
The average maximum temperature in Marin County in December is 14°C (58°F). The average maximum temperature is 18°C (64°) in the previous month and 15°C (58°F) in the next month.
The average temperature in Marin County in December is 9°C (49°F). The average temperature is 13°C (55°F) in the previous month and 9°C (49°F) in the next month.
More info about the December temperatures and sunshine.
The average day light hours per day in Marin County in December are 9.6. The sunshine percentage is 53.2% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day.
More about December sunshine.
The weather in December is noticeably cooler than the previous month. The average maximum temperature in Marin County in December is 14°C (58°F). The average maximum temperature is 18°C (64°F) in the previous month and 15°C (58°F) in the next month.
The average temperature in Marin County in December is 9°C (49°F). The average temperature is 13°C (55°F) in the previous month and 9°C (49°F) in the next month.
The average minimum temperature in Marin County in December is 5°C (41°F). The minimum temperature is 7°C (45°F) in the previous month and 4°C (39°F) in the next month.
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 9.6 per day in Marin County. The sunshine percentage is 53.2% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day.
The ultraviolet index in Marin County in December is typically 2.2 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.
The average sea water temperature in Marin County 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.
December weather is wetter than the previous month. December has a few more days of rain than the previous month. The average total rainfall in Marin County in December is 12.3cm (4.8inches) and on average there are 10.2 rainy days in December making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Marin County 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 Marin County in December is typically 94.2%. The maximum relative humidity is 93.3% in the previous month and 95% in the next month.
The average relative humidity in Marin County in December is typically 80.3%. The average relative humidity is 76.9% in the previous month and 78.5% in the next month.
The average maximum wind speed in Marin County in December is typically 23KM/H (14MPH). The average maximum wind speed is 24KM/H (15MPH) in the previous month and 22KM/H (14MPH) in the next month.
The average wind speed in Marin County in December is typically 8KM/H (5MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 7KM/H (4MPH) in the next month.
The average wind direction in Marin County in December is from the South.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
