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
Cwmfelin Mynach, United Kingdom, measures an average high-temperature of a chilly 8.6°C (47.5°F) in December, nearly consistent with the preceding month. Cwmfelin Mynach observes a minimal variance in temperature, with a consistent average low of 5.4°C (41.7°F) during the nights of December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Cwmfelin Mynach, in December, it is raining for 20.6 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, in Cwmfelin Mynach, there are 210.2 rainfall days, and 515mm (20.28") of precipitation is accumulated.Snowfall
January, February, November and December are months with snowfall. In Cwmfelin Mynach, in December, during 0.9 snowfall days, 5mm (0.2") of snow is typically accumulated. In Cwmfelin Mynach, during the entire year, snow falls for 3.9 days and aggregates up to 15mm (0.59") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 8:04 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 8:25 am and sunset at 4:17 pm GMT.
Sunshine
In December, the average sunshine in Cwmfelin Mynach is 3.7h.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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the temperature in December in Cwmfelin Mynach?
What is the average humidity in December in Cwmfelin Mynach?
How many days does it rain in December in Cwmfelin Mynach?
How much does it snow in Cwmfelin Mynach in December?
What is the month with the shortest days in Cwmfelin Mynach?
What is the average length of the day in December in Cwmfelin Mynach?
What time are sunrise and sunset in December in Cwmfelin Mynach?
How long on average sun shines in December in Cwmfelin Mynach?
What are the months with the lowest UV index in Cwmfelin Mynach?
What is the UV index reading in December in Cwmfelin Mynach?
Average temperature in December
Cwmfelin Mynach, United Kingdom
- Average high temperature in December: 8.6°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in December: 5.4°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in December
Cwmfelin Mynach, United Kingdom
- Average pressure in December: 1013.5mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in December
Cwmfelin Mynach, United Kingdom
- Average wind speed in December: 22.3km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in December
Cwmfelin Mynach, United Kingdom
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Cwmfelin Mynach, United Kingdom
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in December
Cwmfelin Mynach, United Kingdom
- Average rainfall days in December: 20.6 days
The month with the highest number of rainy days is December (20.6 days).
The month with the least rainy days is April (13.5 days).
Average snowfall in December
Cwmfelin Mynach, United Kingdom
- Average snowfall in December: 5mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Cwmfelin Mynach, United Kingdom
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cwmfelin Mynach, 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 4min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Cwmfelin Mynach, United Kingdom
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in December
Cwmfelin Mynach, 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
Cwmfelin Mynach, United Kingdom
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in December
Cwmfelin Mynach, 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).
Cwmfelin Mynach, United Kingdom
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