Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings an average high-temperature of a still chilly 7.3°C (45.1°F), nearly identical to the preceding month. Throughout December, a modest shift from daytime highs is anticipated, with an average low-temperature of 2.9°C (37.2°F).Humidity
The months with the highest humidity are November and December, with an average relative humidity of 90%.Rainfall
In Penallt, in December, it is raining for 12.8 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 154.2 rainfall days, and 283mm (11.14") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Penallt, United Kingdom. In Penallt, in December, snow falls for 1.3 days, with typically accumulated 7mm (0.28") of snow. Throughout the year, in Penallt, there are 9.4 snowfall days, and 44mm (1.73") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:56 am and sunset at 4:03 pm. On the last day of December, in Penallt, United Kingdom, sunrise is at 8:17 am and sunset at 4:10 pm GMT.
Sunshine
In Penallt, the average sunshine in December is 4.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Penallt. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average December temperature in Penallt?
What are the most humid months in Penallt?
What is the average humidity in December in Penallt?
How many days does it rain in December in Penallt?
How much does it snow in Penallt in December?
What is the month with the shortest days in Penallt?
How many hours of daylight does Penallt have in December?
What time are sunrise and sunset in December in Penallt?
How long on average sun shines in December in Penallt?
When is the lowest UV index in Penallt?
What is the UV index reading in December in Penallt?
Average temperature in December
Penallt, United Kingdom
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Penallt, United Kingdom
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in December
Penallt, United Kingdom
- Average wind speed in December: 18km/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 June (12.6km/h).
Average humidity in December
Penallt, United Kingdom
- Average humidity in December: 90%
The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are March, April, May, July and August (84%).
Average rainfall in December
Penallt, United Kingdom
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is November (37mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in December
Penallt, United Kingdom
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Penallt, United Kingdom
- Average snowfall in December: 7mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Penallt, United Kingdom
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (3.2 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
Penallt, 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: 7h and 36min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in December
Penallt, United Kingdom
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Penallt, 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
Penallt, United Kingdom
- Average cloud cover in December: 59
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in December
Penallt, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May and December (9km).
The months with the lowest visibility are June, July, August, September, October and November (8km).
Penallt, United Kingdom
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