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
Grasmere experiences a transition to a cold 5.9°C (42.6°F) in average high-temperatures with the arrival of December, not greatly differing from November's 7.8°C (46°F). During the nights of December, Grasmere records an average low-temperature of 2.6°C (36.7°F), reflecting a modest decrease from daytime highs.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 90%.Rainfall
December is the month with the most rainfall in Grasmere, United Kingdom. Rain falls for 17.2 days and accumulates 95mm (3.74") of precipitation.Snowfall
January through June, October through December are months with snowfall in Grasmere. In Grasmere, United Kingdom, in December, snow falls for 6 days, with typically accumulated 84mm (3.31") of snow. In Grasmere, during the entire year, snow falls for 39.4 days and aggregates up to 571mm (22.48") of snow.Daylight
December has the shortest days of the year in Grasmere, United Kingdom, with an average of 7h and 24min of daylight.On the first day of December, sunrise is at 8:10 am and sunset at 3:51 pm. On the last day of the month, sunrise is at 8:33 am and sunset at 3:57 pm GMT.
Sunshine
The month with the least sunshine in Grasmere is December, with an average of 2.7h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is December cold in Grasmere?
What are the most humid months in Grasmere?
What is the average humidity in December in Grasmere?
What is the rainiest month in Grasmere?
How many days does it rain in December in Grasmere?
How much does it snow in Grasmere in December?
What is the month with the shortest days in Grasmere?
How many hours of daylight does Grasmere have in December?
When are sunrise and sunset in December in Grasmere?
What is the month with the least sunshine in Grasmere?
How long on average sun shines in December in Grasmere?
What is the month with the lowest UV index in Grasmere?
What is the UV index intensity in December in Grasmere?
Average temperature in December
Grasmere, United Kingdom
- Average high temperature in December: 5.9°C
The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (10.7°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in December
Grasmere, United Kingdom
- Average pressure in December: 1010.2mbar
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
Grasmere, United Kingdom
- Average wind speed in December: 21.7km/h
The windiest month (with the highest average wind speed) is December (21.7km/h).
The calmest month (with the lowest average wind speed) is June (12.8km/h).
Average humidity in December
Grasmere, United Kingdom
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in December
Grasmere, United Kingdom
- Average rainfall in December: 95mm
The wettest month (with the highest rainfall) is December (95mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in December
Grasmere, United Kingdom
- Average rainfall days in December: 17.2 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in December
Grasmere, United Kingdom
- Average snowfall in December: 84mm
The month with the highest snowfall is January (174mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Grasmere, United Kingdom
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grasmere, United Kingdom
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is April (Average sunshine: 6h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in December
Grasmere, United Kingdom
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is April (12.5 days).
The months with the least sunshine days are November and December (7.9 days).
Average UV index in December
Grasmere, 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, October, November and December (UV index 2).
Average cloud cover in December
Grasmere, United Kingdom
- Average cloud cover in December: 72
The months with the most cloud cover are January and December (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in December
Grasmere, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (9km).
The months with the lowest visibility are January and July (8km).
Grasmere, United Kingdom
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