December weather forecastLongdown, United Kingdom
December
Weather in December
The first month of the winter, December, is still a chilly month in Longdown, United Kingdom, with an average temperature ranging between min 5.3°C (41.5°F) and max 9.1°C (48.4°F).Temperature
Transitioning into December, Longdown experiences an average high-temperature of a frosty 9.1°C (48.4°F), marking a minor shift from the preceding month. December notes an average low temperature of 5.3°C (41.5°F) in Longdown, subtly down from the daytime highs.Humidity
The months with the highest humidity in Longdown are January, October through December, with an average relative humidity of 86%.Rainfall
In Longdown, in December, during 15.2 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, there are 171.2 rainfall days, and 453mm (17.83") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.7 days. Throughout December, 2mm (0.08") of snow is accumulated. In Longdown, during the entire year, snow falls for 4 days and aggregates up to 18mm (0.71") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of December in Longdown, sunrise is at 7:54 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:19 pm GMT.
Sunshine
In December, the average sunshine in Longdown is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Longdown, United Kingdom
- Average high temperature in December: 9.1°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is February (7.9°C).
- Average low temperature in December: 5.3°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in December
Longdown, United Kingdom
- Average pressure in December: 1014.8mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in December
Longdown, United Kingdom
- Average wind speed in December: 22.3km/h
The windiest month (with the highest average wind speed) is February (22.5km/h).
The calmest month (with the lowest average wind speed) is July (14.8km/h).
Average humidity in December
Longdown, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are January, October, November and December (86%).
The months with the lowest relative humidity are April, May and July (83%).
Average rainfall in December
Longdown, United Kingdom
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in December
Longdown, United Kingdom
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is November (17.8 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Longdown, United Kingdom
- Average snowfall in December: 2mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Longdown, United Kingdom
- Average snowfall days in December: 0.7 days
The months with the highest number of snowfall days are January and February (1.3 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
Longdown, United Kingdom
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is July (Average sunshine: 8h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days in December
Longdown, United Kingdom
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is November (8.6 days).
Average UV index in December
Longdown, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Longdown, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is April (Cloud cover 45).
Average visibility in December
Longdown, United Kingdom
- Average visibility in December: 9km
The month with the highest visibility is February (10km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
