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 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
During December, the average high-temperature is a frosty 7.9°C (46.2°F), maintaining a close resemblance to that of the preceding month. Thornton Heath sustains an average of approximately a wintry 3.7°C (38.7°F) during December nights, with little variation from daytime highs.Humidity
With an average relative humidity of 89%, December is the most humid month in Thornton Heath.Rainfall
December is the month with the most rainfall. Rain falls for 13.7 days and accumulates 47mm (1.85") of precipitation.Snowfall
January through April, November and December are months with snowfall in Thornton Heath. In December, it is snowing for 2.1 days. Throughout December, 15mm (0.59") of snow is accumulated. Throughout the year, in Thornton Heath, there are 10.1 snowfall days, and 66mm (2.6") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of December in Thornton Heath, sunrise is at 7:43 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 4:01 pm GMT.
Sunshine
In Thornton Heath, the average sunshine in December 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 Thornton Heath. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What are the temperatures in Thornton Heath in December?
What is the most humid month in Thornton Heath?
What is the average humidity in December in Thornton Heath?
What is the wettest month in Thornton Heath?
How many days does it rain in December in Thornton Heath?
How many days does it snow in December in Thornton Heath?
What is the month with the shortest days in Thornton Heath?
What is the average length of the day in December in Thornton Heath?
What time are sunrise and sunset in December in Thornton Heath?
How many hours of sunshine does Thornton Heath have in December?
What is the month with the lowest UV index in Thornton Heath?
What is the UV index reading in December in Thornton Heath?
Average temperature in December
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 4h and 1min
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
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, 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
Thornton Heath, 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).
Thornton Heath, United Kingdom
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