Weather in Marshall Beach, San Francisco, United States in December

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Visiting Marshall Beach, San Francisco, United States in December

The weather in December is cooler than the previous month and temperatures continue to drop slightly into January. December has average maximum temperatures of 14°C (57°F) which is too cold for sunbathing. The sunshine percentage is 53% 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 Marshall Beach.

December has total rainfall of 12.6cm (5.0inches) making it often dry with only moderate showers. There are only 11.8 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 Marshall Beach 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 into January.

December's weather is similar to January's, with cool temperatures, rain, and overcast skies. Swimming and sunbathing are not recommended, but the strong winds and waves make it a good month for experienced surfers, windsurfers, and kitesurfers who don't mind the colder weather. Consider visiting Marshall Beach 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 Marshall Beach in December?

No, December is not a good time for sunbathing in Marshall Beach.

December has average maximum temperatures of 14°C (57°F) which is too cold for sunbathing. The sunshine percentage is 53% 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 12.6cm (5.0inches) making it often dry with only moderate showers. There are only 11.8 days with some rainfall so you can still enjoy the beach on the many clear days.

More about December temperature and sunshine.

Can you swim in Marshall Beach in December?

No, December is too cold for swimming in Marshall Beach 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 Marshall Beach?

No, December is not a good time for a holiday in Marshall Beach.

December has average maximum temperatures of 14°C (57°F) which is too cold for sunbathing. The sunshine percentage is 53% 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 12.6cm (5.0inches) making it often dry with only moderate showers. There are only 11.8 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 Marshall Beach. Sea temperatures are a cold 15°C (59°F). December is too cold for swimming in Marshall Beach for any length of time, unless you have a wetsuit.

More about the December temperatures and sunshine.

Is Marshall Beach warm in December?

No, Marshall Beach is too cold for sunbathing in December.

The average maximum temperature in Marshall Beach in December is 14°C (57°F). The average maximum temperature is 18°C (64°) in the previous month and 14°C (57°F) in the next month.

The average temperature in Marshall Beach in December is 11°C (51°F). The average temperature is 14°C (57°F) in the previous month and 10°C (51°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Marshall Beach in December?

The average day light hours per day in Marshall Beach in December are 9.6. The sunshine percentage is 53% 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.

Crowds in Marshall Beach in December

December is the least crowded month at Marshall Beach, as the cold weather deters most people from visiting. There are no major public holidays or special events during this month that would impact the crowd levels, except for a possible slight increase in visitors during the Christmas and New Year holidays.

Temperature in Marshall Beach in December

The weather in December is cooler than the previous month and temperatures continue to drop slightly into January. The average maximum temperature in Marshall Beach in December is 14°C (57°F). The average maximum temperature is 18°C (64°F) in the previous month and 14°C (57°F) in the next month.

The average temperature in Marshall Beach in December is 11°C (51°F). The average temperature is 14°C (57°F) in the previous month and 10°C (51°F) in the next month.

The average minimum temperature in Marshall Beach in December is 7°C (45°F). The minimum temperature is 10°C (49°F) in the previous month and 7°C (44°F) in the next month.

Sunshine in Marshall Beach 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 9.6 per day in Marshall Beach. The sunshine percentage is 53% 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 Marshall Beach 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.

Sea Temperature in Marshall Beach in December

The average sea water temperature in Marshall Beach in December is 14.9°C (58.8°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 into January.

Rainfall in Marshall Beach in December

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 Marshall Beach in December is 12.6cm (5.0inches) and on average there are 11.8 rainy days in December making it a pretty wet time to visit the beach.

Humidity in Marshall Beach in December

The maximum dew point (an indicator of humidity) in Marshall Beach 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 Marshall Beach in December is typically 89.8%. The maximum relative humidity is 88.7% in the previous month and 90.4% in the next month.

The average relative humidity in Marshall Beach in December is typically 75.3%. The average relative humidity is 72.1% in the previous month and 76% in the next month.

Wind Speed in Marshall Beach in December

The average maximum wind speed in Marshall Beach in December is typically 29KM/H (18MPH). The average maximum wind speed is 30KM/H (18MPH) in the previous month and 26KM/H (16MPH) in the next month.

The average wind speed in Marshall Beach in December is typically 11KM/H (7MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 10KM/H (6MPH) in the next month.

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

Monthly Averages

Suggested Beaches in December

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