December weather forecast
Allerston, United Kingdom

December

Weather in December

The first month of the winter, December, is still a chilly month in Allerston, United Kingdom, with an average temperature fluctuating between 6.6°C (43.9°F) and 3.7°C (38.7°F).

Temperature

The onset of December marks an average high-temperature of a still frosty 6.6°C (43.9°F), hardly differing from November's 9°C (48.2°F). Allerston sustains a near constant temperature throughout December, with nighttime averages of 3.7°C (38.7°F).

Humidity

January and December, with an average relative humidity of 86%, are the most humid months in Allerston.

Rainfall

In Allerston, during December, the rain falls for 14 days and regularly aggregates up to 33mm (1.3") of precipitation. In Allerston, during the entire year, the rain falls for 174.8 days and collects up to 441mm (17.36") of precipitation.

Snowfall

Months with snowfall in Allerston are January through May, October through December. In December, in Allerston, it is snowing for 3 days. Throughout December, 16mm (0.63") of snow is accumulated. Throughout the year, in Allerston, United Kingdom, there are 20.4 snowfall days, and 142mm (5.59") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 24min of daylight.
On the first day of December, sunrise is at 8:00 am and sunset at 3:43 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 3:48 pm GMT.

Sunshine

In December, the average sunshine is 4.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

Is December cold in Allerston?
An average high-temperature, in December, in Allerston, is 6.6°C (43.9°F) and the average low-temperature is 3.7°C (38.7°F).
What is the most humid month in Allerston?
The months with the highest humidity are January and December, with an average relative humidity of 86%.
What is the average humidity in December in Allerston?
In Allerston, the average relative humidity in December is 86%.
How much does it rain in Allerston in December?
In Allerston, United Kingdom, during December, the rain falls for 14 days and regularly aggregates up to 33mm (1.3") of precipitation.
How much does it snow in Allerston in December?
In Allerston, during December, snow falls for 3 days and regularly aggregates up to 16mm (0.63") of snow.
What is the month with the shortest days in Allerston?
With an average of 7h and 24min of daylight, December has the shortest days of the year in Allerston.
What is the average length of the day in December in Allerston?
In December, the average day length in Allerston is 7h and 26min.
When are sunrise and sunset in December in Allerston?
In December, on the first day of the month, sunrise is at 8:00 am and sunset at 3:43 pm. On the last day of the month, in Allerston, sunrise is at 8:22 am and sunset at 3:48 pm GMT.
How long on average sun shines in December in Allerston?
In Allerston, the average sunshine duration in December is 4.6h.
When is the lowest UV index in Allerston?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Allerston.
How high is the UV index in December in Allerston?
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Allerston, United Kingdom
  • Average high temperature in December: 6.6°C

The warmest month (with the highest average high temperature) is August (17.9°C).
The month with the lowest average high temperature is January (5.7°C).

  • Average low temperature in December: 3.7°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

Average pressure in December
Allerston, United Kingdom
  • Average pressure in December: 1010.7mbar

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).

Average wind speed in December
Allerston, United Kingdom
  • Average wind speed in December: 22.1km/h

The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is June (14.1km/h).

Average humidity in December
Allerston, United Kingdom
  • Average humidity in December: 86%

The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, May and August (80%).

Average rainfall in December
Allerston, United Kingdom
  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in December
Allerston, United Kingdom
  • Average rainfall days in December: 14 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (11.2 days).

Average snowfall in December
Allerston, United Kingdom
  • Average snowfall in December: 16mm

The month with the highest snowfall is January (54mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Allerston, United Kingdom
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Allerston, United Kingdom
  • Average daylight in December: 7h and 2min

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: 4h and 4min

The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in December
Allerston, United Kingdom
  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is November (9.1 days).

Average UV index in December
Allerston, 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, March, November and December (UV index 2).

Average cloud cover in December
Allerston, United Kingdom
  • Average cloud cover in December: 54

The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 47).

Average visibility in December
Allerston, United Kingdom
  • Average visibility in December: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).

englishespañol中文
Share