December weather forecast
Grasmere, United Kingdom

Weather in December

December, the first month of the winter in Grasmere, is still a cold month, with an average temperature fluctuating between 2.6°C (36.7°F) and 5.9°C (42.6°F).

Temperature

In December, the average high-temperature is essentially the same as in November - a cold 5.9°C (42.6°F). The average low-temperature, in December, is 2.6°C (36.7°F).

Humidity

The months with the highest humidity in Grasmere, United Kingdom, are January and December, with an average relative humidity of 90%.

Rainfall

December is the month with the most rainfall. Rain falls for 17.2 days and accumulates 95mm (3.74") of precipitation.

Snowfall

Months with snowfall in Grasmere, United Kingdom, are January through June, October through December. In December, in Grasmere, it is snowing for 6 days. Throughout December, 84mm (3.31") of snow is accumulated. 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, with an average of 7h and 24min of daylight.
On the first day of the month, sunrise is at 8:10 am and sunset at 3:52 pm. On the last day of December, sunrise is at 8:33 am and sunset at 3:56 pm GMT.

Sunshine

December has the least sunshine of the year, 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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
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. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What are the most humid months in Grasmere?

The months with the highest humidity are January and December, with an average relative humidity of 90%.

What is the average humidity in December in Grasmere?

In December, the average relative humidity in Grasmere, United Kingdom, is 90%.

What is the wettest month in Grasmere?

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.

How much does it rain in Grasmere in December?

In Grasmere, United Kingdom, during December, the rain falls for 17.2 days and regularly aggregates up to 95mm (3.74") of precipitation.

How many days does it snow in December in Grasmere?

In Grasmere, United Kingdom, during December, snow falls for 6 days and regularly aggregates up to 84mm (3.31") of snow.

What is the month with the shortest days in Grasmere?

The month with the shortest days is December, with an average of 7h and 24min of daylight.

What is the average length of the day in December in Grasmere?

In December, the average day length in Grasmere, United Kingdom, is 7h and 24min.

When is the sunrise / sunset in December in Grasmere?

In December, on the first day of the month, sunrise is at 8:10 am and sunset at 3:52 pm. On the last day of the month, in Grasmere, United Kingdom, sunrise is at 8:33 am and sunset at 3:56 pm GMT.

What is the month with the least sunshine in Grasmere?

With an average of 2.7h of sunshine, December has the least sunshine of the year in Grasmere.

How many hours of sunshine does Grasmere have in December?

In Grasmere, the average sunshine duration in December is 2.7h.

What are the months with the lowest UV index in Grasmere?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Grasmere, United Kingdom.

What is the UV index reading in December in Grasmere?

In December, the average daily maximum UV index in Grasmere, United Kingdom, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Grasmere, United Kingdom

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).

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Average pressure in December
Grasmere, United Kingdom

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).

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Average wind speed in December
Grasmere, United Kingdom

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).

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Average humidity in December
Grasmere, United Kingdom

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%).

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Average rainfall in December
Grasmere, United Kingdom

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).

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Average rainfall days in December
Grasmere, United Kingdom

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).

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Average snowfall in December
Grasmere, United Kingdom

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).

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Average snowfall days in December
Grasmere, United Kingdom

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).

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Average daylight in December /
Average sunshine in December
Grasmere, United Kingdom

Average daylight in December / Average sunshine in December - Grasmere, United Kingdom
  • Average daylight in December: 7h and 24min

The month with the longest days is June (Average daylight: 17h and 9min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in December: 2h and 42min

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).

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Average sunshine days in December
Grasmere, United Kingdom

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).

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Average UV index in December
Grasmere, United Kingdom

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).

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Average cloud cover in December
Grasmere, United Kingdom

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).

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Average visibility in December
Grasmere, United Kingdom

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).

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