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
As Mayfair steps into December, the average high-temperature holds at a frosty 7.8°C (46°F), hinting at a minor fluctuation from the prior month. December sees a slight dip to an average low temperature of 3.5°C (38.3°F) from the daytime highs.Humidity
With an average relative humidity of 88%, December is the most humid month in Mayfair.Rainfall
The months with the most rainfall are June and December, with an average 40mm (1.57") of precipitation.Snowfall
Months with snowfall in Mayfair are January through April, November and December. In Mayfair, during December, snow falls for 1.5 days and regularly aggregates up to 9mm (0.35") of snow. Throughout the year, in Mayfair, there are 7.6 snowfall days, and 44mm (1.73") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of December in Mayfair, United Kingdom, sunrise is at 7:44 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 4:01 pm GMT.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are the temperatures in Mayfair in December?
What is the most humid month in Mayfair?
What is the average humidity in December in Mayfair?
What is the wettest month in Mayfair?
How much does it rain in Mayfair in December?
How much does it snow in Mayfair in December?
What is the month with the shortest days in Mayfair?
What is the average length of the day in December in Mayfair?
What time are sunrise and sunset in December in Mayfair?
How many hours of sunshine does Mayfair have in December?
What is the month with the lowest UV index in Mayfair?
How high is the UV index in December in Mayfair?
Average temperature in December
Mayfair, United Kingdom
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 3.5°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 (2.2°C).
Average pressure in December
Mayfair, United Kingdom
- Average pressure in December: 1014.5mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in December
Mayfair, United Kingdom
- Average wind speed in December: 16.9km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).
Average humidity in December
Mayfair, United Kingdom
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Mayfair, United Kingdom
- Average rainfall in December: 40mm
The wettest months (with the highest rainfall) are June and December (40mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Mayfair, United Kingdom
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in December
Mayfair, United Kingdom
- Average snowfall in December: 9mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Mayfair, United Kingdom
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 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
Mayfair, 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: 4h and 1min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Mayfair, United Kingdom
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in December
Mayfair, 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, March, November and December (UV index 2).
Average cloud cover in December
Mayfair, United Kingdom
- Average cloud cover in December: 59
The months with the most cloud cover are February and November (Cloud cover 61).
The months with the least cloud cover are April, August and September (Cloud cover 50).
Average visibility in December
Mayfair, 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).
Mayfair, United Kingdom
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