December weather forecastCallington, United Kingdom
December
Weather in December
The first month of the winter, December, is also a frosty month in Callington, United Kingdom, with an average temperature fluctuating between 9°C (48.2°F) and 5.7°C (42.3°F).Temperature
On the advent of December, Callington's average high-temperature exhibits a minor adjustment to a frosty 9°C (48.2°F) from November's 10.8°C (51.4°F). Callington notes an average temperature descent to a cold 5.7°C (42.3°F) in December, a small shift from its daytime peak.Humidity
The months with the highest humidity are January, June through December, with an average relative humidity of 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 20.2 days and typically aggregates up to 87mm (3.43") of precipitation.Snowfall
Months with snowfall in Callington are January through April and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, there are 4.3 snowfall days, and 45mm (1.77") of snow is accumulated.Daylight
December has the shortest days of the year in Callington, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 7:56 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 4:23 pm GMT.
Sunshine
The months with the least sunshine in Callington are January, November and December, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index in Callington are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Callington, United Kingdom
- Average high temperature in December: 9°C
The warmest month (with the highest average high temperature) is July (18.7°C).
The months with the lowest average high temperature are January and February (8.1°C).
- Average low temperature in December: 5.7°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in December
Callington, United Kingdom
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in December
Callington, United Kingdom
- Average wind speed in December: 23.1km/h
The windiest month (with the highest average wind speed) is December (23.1km/h).
The calmest month (with the lowest average wind speed) is July (15.1km/h).
Average humidity in December
Callington, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are January, June, July, August, September, October, November and December (86%).
The month with the lowest relative humidity is April (83%).
Average rainfall in December
Callington, United Kingdom
- Average rainfall in December: 87mm
The wettest month (with the highest rainfall) is December (87mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in December
Callington, United Kingdom
- Average rainfall days in December: 20.2 days
The month with the highest number of rainy days is December (20.2 days).
The month with the least rainy days is September (15.1 days).
Average snowfall in December
Callington, United Kingdom
- Average snowfall in December: 4mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Callington, United Kingdom
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Callington, 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: 3h and 36min
The month with the most sunshine is April (Average sunshine: 7h and 30min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 36min).
Average sunshine days in December
Callington, United Kingdom
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is May (11.8 days).
The month with the least sunshine days is November (7.6 days).
Average UV index in December
Callington, 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
Callington, United Kingdom
- Average cloud cover in December: 65
The months with the most cloud cover are November and December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 50).
Average visibility in December
Callington, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





