December weather forecastSutton, United Kingdom
December
Weather in December
The first month of the winter, December, is still a chilly month in Sutton, United Kingdom, with an average temperature varying between 3.7°C (38.7°F) and 7.9°C (46.2°F).Temperature
December's advent notes a subtle adjustment in average high-temperature to a chilly 7.9°C (46.2°F) from November. In Sutton, nights during December observe an average temperature decrease to an icy 3.7°C (38.7°F).Humidity
December is the most humid month, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Sutton, United Kingdom, is December, when the rain falls for 13.7 days and typically aggregates up to 47mm (1.85") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Sutton, during December, snow falls for 2.1 days and regularly aggregates up to 15mm (0.59") of snow. Throughout the year, there are 10.1 snowfall days, and 66mm (2.6") of snow is accumulated.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of December in Sutton, sunrise is at 7:44 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 4:02 pm GMT.
Sunshine
In December, the average sunshine is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sutton. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sutton, United Kingdom
- Average high temperature in December: 7.9°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in December: 3.7°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in December
Sutton, United Kingdom
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in December
Sutton, United Kingdom
- Average wind speed in December: 17.2km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest months (with the lowest average wind speed) are July, August and September (12.8km/h).
Average humidity in December
Sutton, United Kingdom
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Sutton, United Kingdom
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Sutton, United Kingdom
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in December
Sutton, United Kingdom
- Average snowfall in December: 15mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sutton, United Kingdom
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sutton, United Kingdom
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 4h and 12min
The months with the most sunshine are July and August (Average sunshine: 8h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Sutton, United Kingdom
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Sutton, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sutton, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility in December
Sutton, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).





