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
December
Weather in December
Temperature
As December takes its course, Ystradfellte's average high-temperature registers at a still frosty 6.6°C (43.9°F), closely aligning with the preceding month. December nights cool to an average low-temperature of 2.5°C (36.5°F), a marginal decrease from its daytime equivalent.Humidity
The months with the highest humidity are November and December, with an average relative humidity of 92%.Rainfall
December is the month with the most rainfall in Ystradfellte. Rain falls for 17.7 days and accumulates 79mm (3.11") of precipitation.Snowfall
January through May, November and December are months with snowfall in Ystradfellte. In Ystradfellte, during December, snow falls for 2.8 days and regularly aggregates up to 30mm (1.18") of snow. Throughout the year, in Ystradfellte, there are 17.5 snowfall days, and 205mm (8.07") of snow is accumulated.Daylight
December has the shortest days of the year in Ystradfellte, with an average of 7h and 54min of daylight.On the first day of December in Ystradfellte, sunrise is at 7:59 am and sunset at 4:07 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 4:13 pm GMT.
Sunshine
In December, the average sunshine in Ystradfellte is 3h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ystradfellte?
What is the most humid month in Ystradfellte?
What is the average humidity in December in Ystradfellte?
What is the rainiest month in Ystradfellte?
How many days does it rain in December in Ystradfellte?
How much does it snow in Ystradfellte in December?
What is the month with the shortest days in Ystradfellte?
How many hours of daylight does Ystradfellte have in December?
When is the sunrise / sunset in December in Ystradfellte?
How long on average sun shines in December in Ystradfellte?
When is the lowest UV index in Ystradfellte?
How high is the UV index in December in Ystradfellte?
Average temperature in December
Ystradfellte, United Kingdom
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in December
Ystradfellte, United Kingdom
- Average pressure in December: 1013.5mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in December
Ystradfellte, United Kingdom
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is February (19.6km/h).
The calmest month (with the lowest average wind speed) is June (13.3km/h).
Average humidity in December
Ystradfellte, United Kingdom
- Average humidity in December: 92%
The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (84%).
Average rainfall in December
Ystradfellte, United Kingdom
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is December (79mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in December
Ystradfellte, United Kingdom
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in December
Ystradfellte, United Kingdom
- Average snowfall in December: 30mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Ystradfellte, United Kingdom
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is February (4.7 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
Ystradfellte, 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 0min
The month with the most sunshine is May (Average sunshine: 6h and 30min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).
Average sunshine days in December
Ystradfellte, United Kingdom
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is March (13.3 days).
The month with the least sunshine days is November (9 days).
Average UV index in December
Ystradfellte, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Ystradfellte, United Kingdom
- Average cloud cover in December: 71
The month with the most cloud cover is November (Cloud cover 73).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in December
Ystradfellte, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February and March (9km).
The month with the lowest visibility is September (7km).
