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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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Sea
15°
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Sea
13°
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Sea
14°
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Sea
15°
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Sea
18°
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Sea
23°
Swim
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Sea
24°
Swim
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Sea
26°
Swim
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Sea
23°
Swim
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Sea
20°
Swim
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Sea
20°
Swim
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Sea
16°
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The weather in December is cooler than the previous month and temperatures continue to drop slightly into January. December has average maximum temperatures of 12°C (54°F) which is too cold for sunbathing. The sunshine percentage is 28% making it extremely gloomy and overcast with little sunshine. There are 2.5 hours of sunshine per day. It is not a good time for sunbathing in San Sebastian.
December has total rainfall of 2.3cm (0.9inches) making it mostly dry but with short lived occasional showers. There are only 14.7 days with some rainfall so you can still enjoy the beach on the majority of days.
Sea temperatures are a cold 16°C (61°F). December is too cold for swimming in San Sebastian for any length of time, unless you have a wetsuit. The sea temperature in December is cooler than the previous month and temperatures continue to drop slightly into January.
Consider visiting San Sebastian 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 San Sebastian.
December has average maximum temperatures of 12°C (54°F) which is too cold for sunbathing. The sunshine percentage is 28% making it extremely gloomy and overcast with little sunshine. There are 2.5 hours of sunshine per day. December has total rainfall of 2.3cm (0.9inches) making it mostly dry but with short lived occasional showers. There are only 14.7 days with some rainfall so you can still enjoy the beach on the majority of days.
More about December temperature and sunshine.
No, December is too cold for swimming in San Sebastian for any length of time, with the sea water at 16°C (61°F), unless you have a wetsuit.
More about December sea temperatures.
No, December is not a good time for a holiday in San Sebastian.
December has average maximum temperatures of 12°C (54°F) which is too cold for sunbathing. The sunshine percentage is 28% making it extremely gloomy and overcast with little sunshine. There are 2.5 hours of sunshine per day. December has total rainfall of 2.3cm (0.9inches) making it mostly dry but with short lived occasional showers. There are only 14.7 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 Sebastian. Sea temperatures are a cold 16°C (61°F). December is too cold for swimming in San Sebastian for any length of time, unless you have a wetsuit.
More about the December temperatures and sunshine.
No, San Sebastian is too cold for sunbathing in December.
The average maximum temperature in San Sebastian in December is 12°C (54°F). The average maximum temperature is 16°C (60°) in the previous month and 12°C (54°F) in the next month.
The average temperature in San Sebastian in December is 9°C (48°F). The average temperature is 12°C (54°F) in the previous month and 9°C (48°F) in the next month.
More info about the December temperatures and sunshine.
The average day light hours per day in San Sebastian in December are 9. The sunshine percentage is 28% making it extremely gloomy and overcast with little sunshine. There are 2.5 hours of sunshine per day.
More about December sunshine.
The weather in December is cooler than the previous month and temperatures continue to drop slightly into January. The average maximum temperature in San Sebastian in December is 12°C (54°F). The average maximum temperature is 16°C (60°F) in the previous month and 12°C (54°F) in the next month.
The average temperature in San Sebastian in December is 9°C (48°F). The average temperature is 12°C (54°F) in the previous month and 9°C (48°F) in the next month.
The average minimum temperature in San Sebastian in December is 6°C (43°F). The minimum temperature is 9°C (49°F) in the previous month and 6°C (43°F) in the next month.
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 9 per day in San Sebastian. The sunshine percentage is 28% making it extremely gloomy and overcast with little sunshine. There are 2.5 hours of sunshine per day.
The ultraviolet index in San Sebastian in December is typically 1.4 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 San Sebastian in December is 16.2°C (61.2°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in December is cooler than the previous month and temperatures continue to drop slightly into January.
December weather is slightly wetter than the previous month. December has fewer days of rain than the previous month. The average total rainfall in San Sebastian in December is 2.3cm (0.9inches) and on average there are 14.7 rainy days in December making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in San Sebastian in December is 7°C (44°F) which is a bit dry for some. The dew point is 10°C (50°F) in the previous month and 7°C (7°F) in the next month.
The average maximum relative humidity in San Sebastian in December is typically 90.4%. The maximum relative humidity is 90.7% in the previous month and 91% in the next month.
The average relative humidity in San Sebastian in December is typically 75.4%. The average relative humidity is 75% in the previous month and 76.4% in the next month.
The average maximum wind speed in San Sebastian in December is typically 20KM/H (12MPH). The average maximum wind speed is 20KM/H (13MPH) in the previous month and 19KM/H (12MPH) in the next month.
The average wind speed in San Sebastian in December is typically 10KM/H (6MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 9KM/H (6MPH) in the next month.
The average wind direction in San Sebastian in December is from the South-Southwest.
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.
