December weather forecast
Mathern, United Kingdom

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Weather in December

December, the first month of the winter in Mathern, is also a frosty month, with an average temperature fluctuating between 3.7°C (38.7°F) and 7.7°C (45.9°F).

Temperature

On the advent of December, Mathern's average high-temperature exhibits a minor adjustment to a still chilly 7.7°C (45.9°F) from November's 9.8°C (49.6°F). An average low-temperature of 3.7°C (38.7°F) characterizes Mathern's December nights.

Humidity

The most humid month is December, with an average relative humidity of 89%.

Rainfall

In Mathern, United Kingdom, in December, during 9.2 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Mathern, during the entire year, the rain falls for 136.5 days and collects up to 268mm (10.55") of precipitation.

Snowfall

Months with snowfall in Mathern are January through March and December. December is the first month it typically snows in Mathern. Throughout December, in the average 0.9 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Mathern, there are 6.1 snowfall days, and 24mm (0.94") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 7h and 54min of daylight.
On the first day of the month, sunrise is at 7:55 am and sunset at 4:04 pm. On the last day of December, sunrise is at 8:16 am and sunset at 4:11 pm GMT.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. 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. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Feb 8, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the temperatures in Mathern in December?

In Mathern, in December, the average high-temperature is 7.7°C (45.9°F), and the average low-temperature is 3.7°C (38.7°F).

What is the most humid month in Mathern?

The most humid month in Mathern is December, with an average relative humidity of 89%.

What is the average humidity in December in Mathern?

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

How many days does it rain in December in Mathern?

In December, the rain falls for 9.2 days. Throughout December, 26mm (1.02") of precipitation is accumulated.

When does it start snowing in Mathern?

December is the first month it typically snows in Mathern. Throughout December, in the average 0.9 snowfall days, it receives 2mm (0.08") of snow.

What is the month with the shortest days in Mathern?

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

How many hours of daylight does Mathern have in December?

In Mathern, United Kingdom, the average day length in December is 7h and 55min.

When is the sunrise / sunset in December in Mathern?

On the first day of December, sunrise is at 7:55 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:11 pm GMT.

How many hours of sunshine does Mathern have in December?

In December, the average sunshine duration in Mathern, United Kingdom, is 4.2h.

What is the month with the lowest UV index in Mathern?

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

How high is the UV index in December in Mathern?

The average daily maximum UV index in December in Mathern is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
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
Mathern, United Kingdom

Average temperature in December - Mathern, United Kingdom
  • Average high temperature in December: 7.7°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (6.9°C).

  • Average low temperature in December: 3.7°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).

Average pressure in December
Mathern, United Kingdom

Average pressure in December - Mathern, United Kingdom
  • Average pressure in December: 1013.9mbar

The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010mbar).

Average wind speed in December
Mathern, United Kingdom

Average wind speed in December - Mathern, United Kingdom
  • Average wind speed in December: 18.4km/h

The windiest month (with the highest average wind speed) is February (19.1km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).

Average humidity in December
Mathern, United Kingdom

Average humidity in December - Mathern, United Kingdom
  • Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are May and July (82%).

Average rainfall in December
Mathern, United Kingdom

Average rainfall in December - Mathern, United Kingdom
  • Average rainfall in December: 26mm

The wettest month (with the highest rainfall) is November (33mm).
The driest months (with the least rainfall) are January, April and September (16mm).

Average rainfall days in December
Mathern, United Kingdom

Average rainfall days in December - Mathern, United Kingdom
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is December (9.2 days).

Average snowfall in December
Mathern, United Kingdom

Average snowfall in December - Mathern, United Kingdom
  • Average snowfall in December: 2mm

The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Mathern, United Kingdom

Average snowfall days in December - Mathern, United Kingdom
  • Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is February (2.4 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
Mathern, United Kingdom

Average daylight in December / Average sunshine in December - Mathern, United Kingdom
  • Average daylight in December: 7h and 5min

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 1min

The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).

Average sunshine days in December
Mathern, United Kingdom

Average sunshine days in December - Mathern, United Kingdom
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Mathern, United Kingdom

Average UV index in December - Mathern, 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
Mathern, United Kingdom

Average cloud cover in December - Mathern, United Kingdom
  • Average cloud cover in December: 58

The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 49).

Average visibility in December
Mathern, United Kingdom

Average visibility in December - Mathern, 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).

Mathern, United Kingdom

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