December weather forecastSimpson, United Kingdom

December

Weather in December

The first month of the winter, December, is also a frosty month in Simpson, United Kingdom, with temperature in the range of an average high of 7.2°C (45°F) and an average low of 2.7°C (36.9°F).

Temperature

December reports an average high-temperature of a still frosty 7.2°C (45°F), slightly varied from November's 9.5°C (49.1°F). December nights witness a mild cool down to an average low of 2.7°C (36.9°F).

Humidity

With an average relative humidity of 91%, December is the most humid month.

Rainfall

In December, in Simpson, the rain falls for 12.7 days. Throughout December, 23mm (0.91") of precipitation is accumulated. In Simpson, during the entire year, the rain falls for 156.4 days and collects up to 277mm (10.91") of precipitation.

Snowfall

Months with snowfall are January through April and December. December is the first month it typically snows in Simpson. Throughout December, in the average 1.3 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, there are 7.5 snowfall days, and 28mm (1.1") of snow is accumulated.

Daylight

December has the shortest days of the year in Simpson, United Kingdom, with an average of 7h and 48min of daylight.
On the first day of December in Simpson, sunrise is at 7:49 am and sunset at 3:54 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:01 pm GMT.

Sunshine

In Simpson, the average sunshine in December is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

The high-temperature in Simpson during December is 7.2°C (45°F) and the low-temperature is 2.7°C (36.9°F).

With an average relative humidity of 91%, December is the most humid month.

The average relative humidity in December in Simpson, United Kingdom, is 91%.

In December, the rain falls for 12.7 days. Throughout December, 23mm (0.91") of precipitation is accumulated.

December is the first month it typically snows in Simpson, United Kingdom. Throughout December, in the average 1.3 snowfall days, it receives 5mm (0.2") of snow.

The month with the shortest days in Simpson, United Kingdom, is December, with an average of 7h and 48min of daylight.

In Simpson, United Kingdom, the average day length in December is 7h and 50min.

On the first day of December, sunrise is at 7:49 am and sunset at 3:54 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:01 pm GMT.

The average sunshine duration in December in Simpson, United Kingdom, is 4.2h.

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

In Simpson, United Kingdom, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from 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
Simpson, United Kingdom

  • Average high temperature in December: 7.2°C

The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in December: 2.7°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 (1.5°C).

Average pressure in December
Simpson, United Kingdom

  • Average pressure in December: 1013.8mbar

The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

Average wind speed in December
Simpson, United Kingdom

  • Average wind speed in December: 18.7km/h

The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).

Average humidity in December
Simpson, United Kingdom

  • Average humidity in December: 91%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (78%).

Average rainfall in December
Simpson, United Kingdom

  • Average rainfall in December: 23mm

The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in December
Simpson, United Kingdom

  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (9.9 days).

Average snowfall in December
Simpson, United Kingdom

  • Average snowfall in December: 5mm

The month with the highest snowfall is February (11mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Simpson, United Kingdom

  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is January (2.7 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
Simpson, United Kingdom

  • Average daylight in December: 7h and 48min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in December: 4h and 12min

The month with the most sunshine is July (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in December
Simpson, United Kingdom

  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is March (16.5 days).
The month with the least sunshine days is August (10.3 days).

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

Average cloud cover in December
Simpson, United Kingdom

  • Average cloud cover in December: 59

The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 51).

Average visibility in December
Simpson, United Kingdom

  • Average visibility in December: 9km

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