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Sea
27°
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26°
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26°
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27°
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27°
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28°
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28°
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28°
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29°
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28°
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28°
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27°
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December has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.0hrs. December has total rainfall of 9.2cm (3.6inches) making it a bit rainy but with mostly light showers although there are 22.7 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 an optimal time for sunbathing but it is possible on clearer days in St John Island. Sea temperatures are a very warm 27°C (81°F). December is an excellent month for swimming in St John Island with very comfortable temperatures for bathing all day.
Consider visiting St John Island in the months of January, February, March, April, for the best beach weather.
Also consider one of our other suggestions for December.
Yes, December is not an optimal time for sunbathing but it is possible on clearer days in St John Island.
December has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.0hrs. December has total rainfall of 9.2cm (3.6inches) making it a bit rainy but with mostly light showers although there are 22.7 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.
Yes, December is an excellent month for swimming in St John Island with very warm sea temperatures 27°C (81°F).
More about December sea temperatures.
Yes, December is a good time for a holiday in St John Island.
December has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.0hrs. December has total rainfall of 9.2cm (3.6inches) making it a bit rainy but with mostly light showers although there are 22.7 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 an optimal time for sunbathing but it is possible on clearer days in St John Island. Sea temperatures are a very warm 27°C (81°F). December is an excellent month for swimming in St John Island with very comfortable temperatures for bathing all day.
More about the December temperatures and sunshine.
Yes, St John Island is very warm and perfect for sunbathing on clear days in December.
The average maximum temperature in St John Island in December is 29°C (84°F). The average maximum temperature is 30°C (86°) in the previous month and 28°C (83°F) in the next month.
The average temperature in St John Island in December is 26°C (79°F). The average temperature is 27°C (81°F) in the previous month and 26°C (78°F) in the next month.
More info about the December temperatures and sunshine.
The average day light hours per day in St John Island in December are 11. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.0hrs.
More about December sunshine.
The average maximum temperature in St John Island in December is 29°C (84°F). The average maximum temperature is 30°C (86°F) in the previous month and 28°C (83°F) in the next month.
The average temperature in St John Island in December is 26°C (79°F). The average temperature is 27°C (81°F) in the previous month and 26°C (78°F) in the next month.
The average minimum temperature in St John Island in December is 23°C (74°F). The minimum temperature is 24°C (76°F) in the previous month and 23°C (73°F) in the next month.
During December the average day light hours are 11 per day in St John Island. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.0hrs.
The ultraviolet index in St John Island in December is typically 7.5 during December. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and 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. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in St John Island in December is 27.1°C (80.8°F) which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in St John Island in December is 9.2cm (3.6inches) and on average there are 22.7 rainy days in December making it a very wet time to visit the beach.
The maximum dew point (an indicator of humidity) in St John Island in December is 22°C (72°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 23°C (74°F) in the previous month and 22°C (22°F) in the next month.
The average maximum relative humidity in St John Island in December is typically 85.8%. The maximum relative humidity is 87.5% in the previous month and 85.9% in the next month.
The average relative humidity in St John Island in December is typically 74%. The average relative humidity is 76.3% in the previous month and 73.5% in the next month.
The average maximum wind speed in St John Island in December is typically 31KM/H (19MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 31KM/H (19MPH) in the next month.
The average wind speed in St John Island in December is typically 16KM/H (10MPH). The average wind speed is 15KM/H (9MPH) in the previous month and 17KM/H (10MPH) in the next month.
The average wind direction in St John Island in December is from the East.
