December weather forecast
Cefneithin, United Kingdom

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Weather in December

December, the first month of the winter in Cefneithin, is still a chilly month, with an average temperature ranging between min 6.1°C (43°F) and max 8.7°C (47.7°F).

Temperature

Cefneithin, United Kingdom, experiences an average high-temperature of a frosty 8.7°C (47.7°F) in December, marking an insignificant shift from 10.5°C (50.9°F) in November. Consistently, Cefneithin reports average nighttime temperatures of 6.1°C (43°F) during December, a marginal step down from its daytime highs.

Humidity

January, August, October through December, with an average relative humidity of 85%, are the most humid months.

Rainfall

December is the month with the most rainfall. Rain falls for 21.5 days and accumulates 84mm (3.31") of precipitation.

Snowfall

Months with snowfall in Cefneithin are January through March and December. The month with the most snowfall in Cefneithin is December, when snow falls for 0.9 days and typically aggregates up to 8mm (0.31") of snow.

Daylight

December has the shortest days of the year in Cefneithin, United Kingdom, with an average of 7h and 54min of daylight.
On the first day of December, sunrise is at 8:01 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 8:23 am and sunset at 4:15 pm GMT.

Sunshine

In Cefneithin, the average sunshine in December is 3.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cefneithin, United Kingdom. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To guard against the harmful effects of the Sun, minimize exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What are the temperatures in Cefneithin in December?

In Cefneithin, 8.7°C (47.7°F) is the average high-temperature and 6.1°C (43°F) is the average low-temperature during December.

What are the most humid months in Cefneithin?

The months with the highest humidity in Cefneithin are January, August, October through December, with an average relative humidity of 85%.

What is the average humidity in December in Cefneithin?

The average relative humidity in December in Cefneithin is 85%.

What is the wettest month in Cefneithin?

The month with the most rainfall in Cefneithin, United Kingdom, is December, when the rain falls for 21.5 days and typically aggregates up to 84mm (3.31") of precipitation.

How much does it rain in Cefneithin in December?

In Cefneithin, United Kingdom, during December, the rain falls for 21.5 days and regularly aggregates up to 84mm (3.31") of precipitation.

What is the snowiest month in Cefneithin?

The month with the most snowfall in Cefneithin is December, when snow falls for 0.9 days and typically aggregates up to 8mm (0.31") of snow.

When does it start snowing in Cefneithin?

December is the first month it typically snows in Cefneithin, United Kingdom. Throughout December, in the average 0.9 snowfall days, it receives 8mm (0.31") of snow.

What is the month with the shortest days in Cefneithin?

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

What is the average length of the day in December in Cefneithin?

In December, the average day length in Cefneithin is 7h and 53min.

When are sunrise and sunset in December in Cefneithin?

On the first day of December in Cefneithin, sunrise is at 8:01 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 8:23 am and sunset at 4:15 pm GMT.

How long on average sun shines in December in Cefneithin?

In December, the average sunshine duration in Cefneithin, United Kingdom, is 3.8h.

What are the months with the lowest UV index in Cefneithin?

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

What is the UV index intensity in December in Cefneithin?

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

Average temperature in December - Cefneithin, United Kingdom
  • Average high temperature in December: 8.7°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (7.7°C).

  • Average low temperature in December: 6.1°C

The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (4.5°C).

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Average pressure in December
Cefneithin, United Kingdom

Average pressure in December - Cefneithin, United Kingdom
  • Average pressure in December: 1013.6mbar

The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

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Average wind speed in December
Cefneithin, United Kingdom

Average wind speed in December - Cefneithin, United Kingdom
  • Average wind speed in December: 23.9km/h

The windiest month (with the highest average wind speed) is December (23.9km/h).
The calmest month (with the lowest average wind speed) is June (15.4km/h).

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Average humidity in December
Cefneithin, United Kingdom

Average humidity in December - Cefneithin, United Kingdom
  • Average humidity in December: 85%

The months with the highest relative humidity are January, August, October, November and December (85%).
The month with the lowest relative humidity is April (81%).

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Average rainfall in December
Cefneithin, United Kingdom

Average rainfall in December - Cefneithin, United Kingdom
  • Average rainfall in December: 84mm

The wettest month (with the highest rainfall) is December (84mm).
The driest month (with the least rainfall) is May (37mm).

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Average rainfall days in December
Cefneithin, United Kingdom

Average rainfall days in December - Cefneithin, United Kingdom
  • Average rainfall days in December: 21.5 days

The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is April (15.1 days).

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Average snowfall in December
Cefneithin, United Kingdom

Average snowfall in December - Cefneithin, United Kingdom
  • Average snowfall in December: 8mm

The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in December
Cefneithin, United Kingdom

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

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Cefneithin, 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: 3h and 5min

The months with the most sunshine are April and May (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Cefneithin, United Kingdom

Average sunshine days in December - Cefneithin, United Kingdom
  • Average sunshine days in December: 7 days

The month with the most sunshine days is May (12.8 days).
The month with the least sunshine days is August (6.5 days).

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Average UV index in December
Cefneithin, United Kingdom

Average UV index in December - Cefneithin, 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).

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Average cloud cover in December
Cefneithin, United Kingdom

Average cloud cover in December - Cefneithin, United Kingdom
  • Average cloud cover in December: 63

The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 46).

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Average visibility in December
Cefneithin, United Kingdom

Average visibility in December - Cefneithin, 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).

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Cefneithin, United Kingdom

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