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 transition from November to December sees an average high-temperature of a still chilly 6.4°C (43.5°F), indicating a minor variance from the prior month. Letterbreen experiences an average nighttime temperature of 2.1°C (35.8°F) in December, reflecting a minor difference from the day's peak.Humidity
The months with the highest humidity in Letterbreen, United Kingdom, are November and December, with an average relative humidity of 92%.Rainfall
In Letterbreen, during December, the rain falls for 16.3 days and regularly aggregates up to 50mm (1.97") of precipitation. In Letterbreen, United Kingdom, during the entire year, the rain falls for 195 days and collects up to 525mm (20.67") of precipitation.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows in Letterbreen. Throughout December, in the average 1.4 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, there are 11 snowfall days, and 90mm (3.54") of snow is accumulated.Daylight
The month with the shortest days in Letterbreen is December, with an average of 7h and 24min of daylight.On the first day of the month, sunrise is at 8:28 am and sunset at 4:11 pm. On the last day of December, sunrise is at 8:51 am and sunset at 4:16 pm GMT.
Sunshine
In December, the average sunshine in Letterbreen is 3.3h.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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Letterbreen in December?
What is the most humid month in Letterbreen?
What is the average humidity in December in Letterbreen?
How much does it rain in Letterbreen in December?
When does it start to snow in Letterbreen?
What is the month with the shortest days in Letterbreen?
What is the average length of the day in December in Letterbreen?
When is the sunrise / sunset in December in Letterbreen?
How long on average sun shines in December in Letterbreen?
When is the lowest UV index in Letterbreen?
How high is the UV index in December in Letterbreen?
Average temperature in December
Letterbreen, United Kingdom
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 2.1°C
The months with the highest average low temperature are July and August (9.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.5°C).
Average pressure in December
Letterbreen, United Kingdom
- Average pressure in December: 1009.1mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007.1mbar).
Average wind speed in December
Letterbreen, United Kingdom
- Average wind speed in December: 16.1km/h
The windiest month (with the highest average wind speed) is January (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).
Average humidity in December
Letterbreen, United Kingdom
- Average humidity in December: 92%
The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (85%).
Average rainfall in December
Letterbreen, United Kingdom
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in December
Letterbreen, United Kingdom
- Average rainfall days in December: 16.3 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (13.5 days).
Average snowfall in December
Letterbreen, United Kingdom
- Average snowfall in December: 9mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Letterbreen, United Kingdom
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is January (3.3 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
Letterbreen, United Kingdom
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is June (Average sunshine: 6h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Letterbreen, United Kingdom
- Average sunshine days in December: 12.7 days
The months with the most sunshine days are September and December (12.7 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Letterbreen, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May and June (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Letterbreen, United Kingdom
- Average cloud cover in December: 68
The month with the most cloud cover is August (Cloud cover 76).
The month with the least cloud cover is April (Cloud cover 63).
Average visibility in December
Letterbreen, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, November and December (8km).
The months with the lowest visibility are July, August, September and October (7km).
Letterbreen, United Kingdom
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