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The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. December has average maximum temperatures of 10°C (49°F) which is too cold for sunbathing. The sunshine percentage is 22.1% making it extremely gloomy and overcast with little sunshine. There are 1.8 hours of sunshine per day. It is not a good time for sunbathing in Cornwall.
December has total rainfall of 1.4cm (0.6inches) making it mostly dry with very rare light showers although there are 19.8 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much.
Sea temperatures are a cold 11°C (52°F). December is too cold for swimming in Cornwall for any length of time, unless you have a wetsuit. The sea temperature in December is noticeably colder than the previous month.
Consider visiting Cornwall 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 Cornwall.
December has average maximum temperatures of 10°C (49°F) which is too cold for sunbathing. The sunshine percentage is 22.1% making it extremely gloomy and overcast with little sunshine. There are 1.8 hours of sunshine per day. December has total rainfall of 1.4cm (0.6inches) making it mostly dry with very rare light showers although there are 19.8 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much.
More about December temperature and sunshine.
No, December is too cold for swimming in Cornwall for any length of time, with the sea water at 11°C (52°F), unless you have a wetsuit.
More about December sea temperatures.
No, December is not a good time for a holiday in Cornwall.
December has average maximum temperatures of 10°C (49°F) which is too cold for sunbathing. The sunshine percentage is 22.1% making it extremely gloomy and overcast with little sunshine. There are 1.8 hours of sunshine per day. December has total rainfall of 1.4cm (0.6inches) making it mostly dry with very rare light showers although there are 19.8 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much. It is not a good time for sunbathing in Cornwall. Sea temperatures are a cold 11°C (52°F). December is too cold for swimming in Cornwall for any length of time, unless you have a wetsuit.
More about the December temperatures and sunshine.
No, Cornwall is too cold for sunbathing in December.
The average maximum temperature in Cornwall in December is 10°C (49°F). The average maximum temperature is 12°C (53°) in the previous month and 9°C (48°F) in the next month.
The average temperature in Cornwall in December is 7°C (45°F). The average temperature is 9°C (49°F) in the previous month and 7°C (44°F) in the next month.
More info about the December temperatures and sunshine.
The average day light hours per day in Cornwall in December are 8.1. The sunshine percentage is 22.1% making it extremely gloomy and overcast with little sunshine. There are 1.8 hours of sunshine per day.
More about December sunshine.
The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. The average maximum temperature in Cornwall in December is 10°C (49°F). The average maximum temperature is 12°C (53°F) in the previous month and 9°C (48°F) in the next month.
The average temperature in Cornwall in December is 7°C (45°F). The average temperature is 9°C (49°F) in the previous month and 7°C (44°F) in the next month.
The average minimum temperature in Cornwall in December is 5°C (41°F). The minimum temperature is 7°C (45°F) in the previous month and 5°C (40°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 8.1 per day in Cornwall. The sunshine percentage is 22.1% making it extremely gloomy and overcast with little sunshine. There are 1.8 hours of sunshine per day.
The ultraviolet index in Cornwall in December is typically 0.6 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 Cornwall in December is 11.1°C (52.0°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit. The sea temperature in December is noticeably colder than the previous month.
December weather is marginally drier than the previous month and rainfall continues to drop slightly into January. December has fewer days of rain than the previous month. The average total rainfall in Cornwall in December is 1.4cm (0.6inches) and on average there are 19.8 rainy days in December making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Cornwall in December is 8°C (46°F) which is a bit dry for some. The dew point is 10°C (49°F) in the previous month and 7°C (7°F) in the next month.
The average maximum relative humidity in Cornwall in December is typically 95.8%. The maximum relative humidity is 96.5% in the previous month and 97.2% in the next month.
The average relative humidity in Cornwall in December is typically 85.1%. The average relative humidity is 86% in the previous month and 87.1% in the next month.
The average maximum wind speed in Cornwall in December is typically 34KM/H (21MPH). The average maximum wind speed is 32KM/H (20MPH) in the previous month and 35KM/H (22MPH) in the next month.
The average wind speed in Cornwall in December is typically 22KM/H (14MPH). The average wind speed is 20KM/H (13MPH) in the previous month and 23KM/H (14MPH) in the next month.
The average wind direction in Cornwall in December is from the West.
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.
