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
The onset of December brings an average high-temperature of a still chilly 7.6°C (45.7°F), nearly matching the November temperature. Blaenavon marks an average drop to a cold 4°C (39.2°F) during nighttime in December, following the high of the day.Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
December is the month with the most rainfall. Rain falls for 17.7 days and accumulates 76mm (2.99") of precipitation.Snowfall
Months with snowfall in Blaenavon are January through April, November and December. In December, in Blaenavon, United Kingdom, it is snowing for 1.6 days. Throughout December, 17mm (0.67") of snow is accumulated. In Blaenavon, during the entire year, snow falls for 10.4 days and aggregates up to 107mm (4.21") of snow.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 7:57 am and sunset at 4:05 pm. On the last day of December, sunrise is at 8:19 am and sunset at 4:11 pm GMT.
Sunshine
In December, the average sunshine 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 Blaenavon, United Kingdom. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the temperature in December in Blaenavon?
What is the most humid month in Blaenavon?
What is the average humidity in December in Blaenavon?
What is the wettest month in Blaenavon?
How many days does it rain in December in Blaenavon?
How much does it snow in Blaenavon in December?
What is the month with the shortest days in Blaenavon?
What is the average length of the day in December in Blaenavon?
When are sunrise and sunset in December in Blaenavon?
How many hours of sunshine does Blaenavon have in December?
What are the months with the lowest UV index in Blaenavon?
How high is the UV index in December in Blaenavon?
Average temperature in December
Blaenavon, United Kingdom
- Average high temperature in December: 7.6°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 4°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 (2.7°C).
Average pressure in December
Blaenavon, United Kingdom
- Average pressure in December: 1013.8mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in December
Blaenavon, United Kingdom
- Average wind speed in December: 19.9km/h
The windiest month (with the highest average wind speed) is February (20.6km/h).
The calmest month (with the lowest average wind speed) is June (13.8km/h).
Average humidity in December
Blaenavon, 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 April and May (83%).
Average rainfall in December
Blaenavon, United Kingdom
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in December
Blaenavon, United Kingdom
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in December
Blaenavon, United Kingdom
- Average snowfall in December: 17mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Blaenavon, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Blaenavon, 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 54min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in December
Blaenavon, United Kingdom
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is March (12.8 days).
The month with the least sunshine days is July (6.1 days).
Average UV index in December
Blaenavon, 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
Blaenavon, United Kingdom
- Average cloud cover in December: 59
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility in December
Blaenavon, 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).
Blaenavon, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
