December weather forecastBoreham, United Kingdom

December

Weather in December

December, the first month of the winter in Boreham, is also a frosty month, with an average temperature ranging between min 3.5°C (38.3°F) and max 7.5°C (45.5°F).

Temperature

Boreham's December showcases an average high-temperature of a frosty 7.5°C (45.5°F), hardly distinct from November's 10.2°C (50.4°F). December nights reflect a consistent temperature dip to a cold 3.5°C (38.3°F), a slight descent from daytime peaks.

Humidity

With an average relative humidity of 89%, December is the most humid month.

Rainfall

The month with the most rainfall is December, when the rain falls for 12.8 days and typically aggregates up to 42mm (1.65") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Boreham. In Boreham, United Kingdom, during December, snow falls for 1.8 days and regularly aggregates up to 17mm (0.67") of snow. Throughout the year, there are 10.3 snowfall days, and 71mm (2.8") of snow is accumulated.

Daylight

December has the shortest days of the year in Boreham, with an average of 7h and 54min of daylight.
On the first day of the month, sunrise is at 7:42 am and sunset at 3:51 pm. On the last day of December, in Boreham, sunrise is at 8:04 am and sunset at 3:57 pm GMT.

Sunshine

In December, the average sunshine in Boreham is 4.3h.

UV index

The months with the lowest UV index in Boreham, United Kingdom, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 2 during December translates into the following guidance:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

The average high-temperature and low-temperature during December are 7.5°C (45.5°F) and 3.5°C (38.3°F) respectively.

With an average relative humidity of 89%, December is the most humid month in Boreham.

In December, the average relative humidity in Boreham is 89%.

The month with the most rainfall in Boreham is December, when the rain falls for 12.8 days and typically aggregates up to 42mm (1.65") of precipitation.

In Boreham, United Kingdom, in December, it is raining for 12.8 days, with typically 42mm (1.65") of accumulated precipitation.

In December, in Boreham, United Kingdom, it is snowing for 1.8 days. Throughout December, 17mm (0.67") of snow is accumulated.

December has the shortest days of the year, with an average of 7h and 54min of daylight.

The average day length in December in Boreham is 7h and 53min.

On the first day of December in Boreham, sunrise is at 7:42 am and sunset at 3:51 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 3:57 pm GMT.

In December, the average sunshine duration in Boreham is 4.3h.

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

In December, the average daily maximum UV index in Boreham is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
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
Boreham, United Kingdom

  • Average high temperature in December: 7.5°C

The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in December: 3.5°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

Average pressure in December
Boreham, United Kingdom

  • Average pressure in December: 1014.3mbar

The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

Average wind speed in December
Boreham, United Kingdom

  • Average wind speed in December: 18.6km/h

The windiest month (with the highest average wind speed) is February (18.7km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).

Average humidity in December
Boreham, United Kingdom

  • Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Boreham, United Kingdom

  • Average rainfall in December: 42mm

The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in December
Boreham, United Kingdom

  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in December
Boreham, United Kingdom

  • Average snowfall in December: 17mm

The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Boreham, United Kingdom

  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in December: 7h and 54min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in December: 4h and 18min

The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in December
Boreham, United Kingdom

  • Average sunshine days in December: 14.9 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (11.6 days).

Average UV index in December
Boreham, United Kingdom

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Boreham, United Kingdom

  • Average cloud cover in December: 58

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 46).

Average visibility in December
Boreham, United Kingdom

  • Average visibility in December: 9km

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