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
The arrival of December brings an average high-temperature of a still frosty 7.2°C (45°F), subtly diverging from November's 9.5°C (49.1°F). December nights reveal a minor deviation from daytime highs, with a mean low-temperature of 2.7°C (36.9°F).Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
In South Marston, United Kingdom, in December, during 11.7 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in South Marston, there are 165.8 rainfall days, and 376mm (14.8") of precipitation is accumulated.Snowfall
Months with snowfall in South Marston are January through March, November and December. In South Marston, during December, snow falls for 1.6 days and regularly aggregates up to 9mm (0.35") of snow. In South Marston, during the entire year, snow falls for 9.9 days and aggregates up to 53mm (2.09") of snow.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in South Marston, United Kingdom.On the first day of the month, sunrise is at 7:51 am and sunset at 4:00 pm. On the last day of December, in South Marston, United Kingdom, sunrise is at 8:12 am and sunset at 4:07 pm GMT.
Sunshine
The average sunshine in December in South Marston is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in South Marston. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are December temperatures in South Marston?
What is the most humid month in South Marston?
What is the average humidity in December in South Marston?
How many days does it rain in December in South Marston?
How many days does it snow in December in South Marston?
What is the month with the shortest days in South Marston?
What is the average length of the day in December in South Marston?
When are sunrise and sunset in December in South Marston?
How many hours of sunshine does South Marston have in December?
When is the lowest UV index in South Marston?
What is the UV index intensity in December in South Marston?
Average temperature in December
South Marston, United Kingdom
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in December
South Marston, United Kingdom
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in December
South Marston, United Kingdom
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in December
South Marston, United Kingdom
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in December
South Marston, United Kingdom
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in December
South Marston, United Kingdom
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in December
South Marston, United Kingdom
- Average snowfall in December: 9mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
South Marston, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (3.7 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
South Marston, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The months with the least sunshine are February and November (Average sunshine: 3h and 36min).
Average sunshine days in December
South Marston, United Kingdom
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is December (16.2 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in December
South Marston, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
South Marston, United Kingdom
- Average cloud cover in December: 62
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in December
South Marston, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February, March and July (9km).
The months with the lowest visibility are January, April, May, June, August, September, October, November and December (8km).
South Marston, United Kingdom
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