December weather forecastUpper Killay, United Kingdom
December
Weather in December
December, the first month of the winter in Upper Killay, is also a frosty month, with temperature in the range of an average high of 9.2°C (48.6°F) and an average low of 6.5°C (43.7°F).Temperature
The onset of December notes an average high-temperature of a frosty 9.2°C (48.6°F), subtly shifted from November's 10.8°C (51.4°F). Upper Killay experiences a steady nighttime temperature of 6.5°C (43.7°F) throughout the month of December.Humidity
The months with the highest humidity in Upper Killay are January, August and December, with an average relative humidity of 84%.Rainfall
December is the month with the most rainfall in Upper Killay. Rain falls for 21.3 days and accumulates 101mm (3.98") of precipitation.Snowfall
January through March and December are months with snowfall. The month with the most snowfall in Upper Killay is December, when snow falls for 1.1 days and typically aggregates up to 8mm (0.31") of snow.Daylight
The month with the shortest days in Upper Killay is December, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 8:00 am and sunset at 4:10 pm. On the last day of December, in Upper Killay, sunrise is at 8:22 am and sunset at 4:16 pm GMT.
Sunshine
With an average of 3.6h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Upper Killay are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in 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. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Upper Killay, United Kingdom
- Average high temperature in December: 9.2°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in December
Upper Killay, United Kingdom
- Average pressure in December: 1013.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in December
Upper Killay, United Kingdom
- Average wind speed in December: 25.7km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is June (16.4km/h).
Average humidity in December
Upper Killay, United Kingdom
- Average humidity in December: 84%
The months with the highest relative humidity are January, August and December (84%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Upper Killay, United Kingdom
- Average rainfall in December: 101mm
The wettest month (with the highest rainfall) is December (101mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in December
Upper Killay, United Kingdom
- Average rainfall days in December: 21.3 days
The month with the highest number of rainy days is December (21.3 days).
The month with the least rainy days is April (14.4 days).
Average snowfall in December
Upper Killay, United Kingdom
- Average snowfall in December: 8mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Upper Killay, United Kingdom
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Upper Killay, United Kingdom
- Average daylight in December: 7h and 54min
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 36min
The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Upper Killay, United Kingdom
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is December (6.7 days).
Average UV index in December
Upper Killay, 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 and December (UV index 2).
Average cloud cover in December
Upper Killay, United Kingdom
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 45).
Average visibility in December
Upper Killay, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are March, April, June, July and October (10km).
The months with the lowest visibility are January, February, May, August, September, November and December (9km).
