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 observes an average high-temperature of a still frosty 7.3°C (45.1°F), marking an insignificant difference from November's 9.4°C (48.9°F). Cwmyoy's average temperature during the nights of December is recorded at a wintry 3.4°C (38.1°F).Humidity
The months with the highest humidity in Cwmyoy are November and December, with an average relative humidity of 90%.Rainfall
In Cwmyoy, during December, the rain falls for 9.3 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, in Cwmyoy, there are 140.4 rainfall days, and 322mm (12.68") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 1.7 days. Throughout December, 10mm (0.39") of snow is accumulated. In Cwmyoy, during the entire year, snow falls for 8.8 days and aggregates up to 56mm (2.2") of snow.Daylight
The month with the shortest days in Cwmyoy is December, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 7:57 am and sunset at 4:04 pm. On the last day of December, in Cwmyoy, sunrise is at 8:19 am and sunset at 4:11 pm GMT.
Sunshine
The average sunshine in December in Cwmyoy is 4.1h.UV index
The months with the lowest UV index in Cwmyoy are January through March, 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 exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the usual temperature for Cwmyoy in December?
What are the most humid months in Cwmyoy?
What is the average humidity in December in Cwmyoy?
How much does it rain in Cwmyoy in December?
How much does it snow in Cwmyoy in December?
What is the month with the shortest days in Cwmyoy?
What is the average length of the day in December in Cwmyoy?
When are sunrise and sunset in December in Cwmyoy?
How long on average sun shines in December in Cwmyoy?
When is the lowest UV index in Cwmyoy?
What is the UV index reading in December in Cwmyoy?
Average temperature in December
Cwmyoy, United Kingdom
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 3.4°C
The month with the highest average low temperature is August (11.7°C).
The coldest months (with the lowest average low temperature) are January and February (2.1°C).
Average pressure in December
Cwmyoy, United Kingdom
- Average pressure in December: 1013.7mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in December
Cwmyoy, United Kingdom
- Average wind speed in December: 18.9km/h
The windiest month (with the highest average wind speed) is February (19.6km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity in December
Cwmyoy, 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 and July (84%).
Average rainfall in December
Cwmyoy, United Kingdom
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is November (45mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Cwmyoy, United Kingdom
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.3 days).
The months with the least rainy days are February and December (9.3 days).
Average snowfall in December
Cwmyoy, United Kingdom
- Average snowfall in December: 10mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Cwmyoy, United Kingdom
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.9 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
Cwmyoy, 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 months with the most sunshine are May and July (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in December
Cwmyoy, United Kingdom
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Cwmyoy, 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
Cwmyoy, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in December
Cwmyoy, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (9km).
The months with the lowest visibility are August and September (8km).
Cwmyoy, United Kingdom
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