Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's average high-temperature is a frosty 9.4°C (48.9°F), maintaining a close comparison with November's 11.5°C (52.7°F). Throughout December, Sandown observes a steady low-temperature average of 6.5°C (43.7°F), reflecting a minor dip from daytime highs.Humidity
January, February and December, with an average relative humidity of 83%, are the most humid months in Sandown.Rainfall
In Sandown, during December, the rain falls for 17.6 days and regularly aggregates up to 59mm (2.32") of precipitation. Throughout the year, in Sandown, there are 182.5 rainfall days, and 469mm (18.46") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 1 days. Throughout December, 3mm (0.12") of snow is accumulated. Throughout the year, in Sandown, there are 4.8 snowfall days, and 18mm (0.71") of snow is accumulated.Sea temperature
In Sandown, United Kingdom, in December, the average water temperature is 11.8°C (53.2°F).Note: Staying in 11.8°C (53.2°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 4:02 pm. On the last day of December, in Sandown, sunrise is at 8:06 am and sunset at 4:09 pm GMT.
Sunshine
In Sandown, the average sunshine in December is 4.4h.UV index
In December, the average daily maximum UV index in Sandown, United Kingdom, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 3 suggests these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the usual temperature for Sandown in December?
What is the most humid month in Sandown?
What is the average humidity in December in Sandown?
How much does it rain in Sandown in December?
How much does it snow in Sandown in December?
What is the sea water temperature in December in Sandown?
What is the month with the shortest days in Sandown?
How many hours of daylight does Sandown have in December?
What time are sunrise and sunset in December in Sandown?
How many hours of sunshine does Sandown have in December?
How high is the UV index in December in Sandown?
Average temperature in December
Sandown, United Kingdom
- Average high temperature in December: 9.4°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is February (8°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in December
Sandown, United Kingdom
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in December
Sandown, United Kingdom
- Average wind speed in December: 26.2km/h
The windiest month (with the highest average wind speed) is December (26.2km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in December
Sandown, United Kingdom
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is September (79%).
Average rainfall in December
Sandown, United Kingdom
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is November (63mm).
The driest months (with the least rainfall) are April and May (24mm).
Average rainfall days in December
Sandown, United Kingdom
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in December
Sandown, United Kingdom
- Average snowfall in December: 3mm
The month with the highest snowfall is November (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Sandown, United Kingdom
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Sandown, United Kingdom
- Average sea temperature in December: 11.8°C
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).
Average daylight in December /
Average sunshine in December
Sandown, United Kingdom
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Sandown, United Kingdom
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is November (6.7 days).
Average UV index in December
Sandown, United Kingdom
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Sandown, United Kingdom
- Average cloud cover in December: 56
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Sandown, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Sandown, United Kingdom
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