December weather forecastGrindleton, United Kingdom

December

Weather in December

The first month of the winter, December, is also a wintry month in Grindleton, United Kingdom, with an average temperature fluctuating between 1.8°C (35.2°F) and 5.7°C (42.3°F).

Temperature

During December, Grindleton observes a subtle ascent to a wintry 5.7°C (42.3°F) from November's 7.8°C (46°F) in the average high-temperature. The month of December is marked by an average minimum temperature of 1.8°C (35.2°F), slightly cooler than its daytime counterpart.

Humidity

The months with the highest humidity in Grindleton are January, November and December, with an average relative humidity of 91%.

Rainfall

In Grindleton, United Kingdom, during December, the rain falls for 17.9 days and regularly aggregates up to 49mm (1.93") of precipitation. In Grindleton, during the entire year, the rain falls for 208.6 days and collects up to 540mm (21.26") of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Grindleton, during December, snow falls for 3.5 days and regularly aggregates up to 24mm (0.94") of snow. Throughout the year, in Grindleton, there are 19.8 snowfall days, and 140mm (5.51") of snow is accumulated.

Daylight

With an average of 7h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 8:05 am and sunset at 3:52 pm. On the last day of December, sunrise is at 8:27 am and sunset at 3:57 pm GMT.

Sunshine

In Grindleton, United Kingdom, the average sunshine in December is 3.3h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

In Grindleton, in December, the average high-temperature is 5.7°C (42.3°F), and the average low-temperature is 1.8°C (35.2°F).

January, November and December, with an average relative humidity of 91%, are most humid months in Grindleton.

In Grindleton, the average relative humidity in December is 91%.

In December, in Grindleton, the rain falls for 17.9 days. Throughout December, 49mm (1.93") of precipitation is accumulated.

In Grindleton, United Kingdom, in December, snow falls for 3.5 days, with typically accumulated 24mm (0.94") of snow.

The month with the shortest days in Grindleton is December, with an average of 7h and 30min of daylight.

In Grindleton, the average day length in December is 7h and 30min.

On the first day of December in Grindleton, United Kingdom, sunrise is at 8:05 am and sunset at 3:52 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 3:57 pm GMT.

In December, the average sunshine duration in Grindleton, United Kingdom, is 3.3h.

The months with the lowest UV index in Grindleton, United Kingdom, are January through March, November and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Grindleton, United Kingdom, is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Grindleton, United Kingdom

  • Average high temperature in December: 5.7°C

The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in December: 1.8°C

The month with the highest average low temperature is August (10.4°C).
The coldest months (with the lowest average low temperature) are January and February (1°C).

Average pressure in December
Grindleton, United Kingdom

  • Average pressure in December: 1011.3mbar

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).

Average wind speed in December
Grindleton, United Kingdom

  • Average wind speed in December: 18.4km/h

The windiest month (with the highest average wind speed) is February (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).

Average humidity in December
Grindleton, United Kingdom

  • Average humidity in December: 91%

The months with the highest relative humidity are January, November and December (91%).
The months with the lowest relative humidity are April and May (83%).

Average rainfall in December
Grindleton, United Kingdom

  • Average rainfall in December: 49mm

The wettest month (with the highest rainfall) is August (61mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in December
Grindleton, United Kingdom

  • Average rainfall days in December: 17.9 days

The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is February (14 days).

Average snowfall in December
Grindleton, United Kingdom

  • Average snowfall in December: 24mm

The month with the highest snowfall is February (42mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in December
Grindleton, United Kingdom

  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (5.9 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
Grindleton, United Kingdom

  • Average daylight in December: 7h and 30min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in December: 3h and 18min

The month with the most sunshine is April (Average sunshine: 6h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in December
Grindleton, United Kingdom

  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is August (6.3 days).

Average UV index in December
Grindleton, United Kingdom

  • Average UV index in December: 2

The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Grindleton, United Kingdom

  • Average cloud cover in December: 68

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 55).

Average visibility in December
Grindleton, United Kingdom

  • Average visibility in December: 8km

The months with the highest visibility are April and May (9km).
The months with the lowest visibility are January, February, March, June, July, August, September, October, November and December (8km).