December weather forecastGrayrigg, United Kingdom
December
Weather in December
The first month of the winter, December, is also a wintry month in Grayrigg, United Kingdom, with an average temperature varying between 0.9°C (33.6°F) and 4.7°C (40.5°F).Temperature
The transition into December shows a subtle variation to a cold 4.7°C (40.5°F) from November's 6.7°C (44.1°F) in the average high-temperature. Grayrigg's nighttime temperatures in December settle close to daytime highs at an average of 0.9°C (33.6°F).Humidity
The months with the highest humidity in Grayrigg are January, November and December, with an average relative humidity of 93%.Rainfall
In Grayrigg, United Kingdom, in December, during 16.9 rainfall days, 85mm (3.35") of precipitation is typically accumulated. In Grayrigg, during the entire year, the rain falls for 219.4 days and collects up to 817mm (32.17") of precipitation.Snowfall
January through May, November and December are months with snowfall. In Grayrigg, in December, during 4.5 snowfall days, 59mm (2.32") of snow is typically accumulated. Throughout the year, in Grayrigg, there are 27.4 snowfall days, and 336mm (13.23") of snow is accumulated.Daylight
December has the shortest days of the year in Grayrigg, United Kingdom, with an average of 7h and 24min of daylight.On the first day of the month, sunrise is at 8:08 am and sunset at 3:50 pm. On the last day of December, in Grayrigg, sunrise is at 8:31 am and sunset at 3:56 pm GMT.
Sunshine
The months with the least sunshine in Grayrigg, United Kingdom, are January and December, with an average of 2.5h of sunshine.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Experience reduced UV exposure by about half when donning a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grayrigg, United Kingdom
- Average high temperature in December: 4.7°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: 0.9°C
The month with the highest average low temperature is August (9.1°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in December
Grayrigg, United Kingdom
- Average pressure in December: 1010.3mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in December
Grayrigg, United Kingdom
- Average wind speed in December: 18.7km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest months (with the lowest average wind speed) are June and July (12.1km/h).
Average humidity in December
Grayrigg, United Kingdom
- Average humidity in December: 93%
The months with the highest relative humidity are January, November and December (93%).
The months with the lowest relative humidity are April and May (86%).
Average rainfall in December
Grayrigg, United Kingdom
- Average rainfall in December: 85mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in December
Grayrigg, United Kingdom
- Average rainfall days in December: 16.9 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (13.3 days).
Average snowfall in December
Grayrigg, United Kingdom
- Average snowfall in December: 59mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Grayrigg, United Kingdom
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grayrigg, United Kingdom
- Average daylight in December: 7h and 24min
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: 2h and 30min
The months with the most sunshine are April and May (Average sunshine: 5h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in December
Grayrigg, United Kingdom
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is March (11.6 days).
The month with the least sunshine days is July (4.5 days).
Average UV index in December
Grayrigg, United Kingdom
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Grayrigg, United Kingdom
- Average cloud cover in December: 75
The months with the most cloud cover are January, November and December (Cloud cover 75).
The month with the least cloud cover is April (Cloud cover 62).
Average visibility in December
Grayrigg, United Kingdom
- Average visibility in December: 7km
The months with the highest visibility are February, March, April, May, June and October (8km).
The months with the lowest visibility are January, July, August, September, November and December (7km).
