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
December's weather records an average high-temperature of a still frosty 6.4°C (43.5°F), showing little deviation from November. The temperature in Cwmbach during December sees a subtle transition from day to night, averaging a low of 2.2°C (36°F).Humidity
The months with the highest humidity are January, November and December, with an average relative humidity of 92%.Rainfall
In Cwmbach, in December, it is raining for 17.4 days, with typically 51mm (2.01") of accumulated precipitation. In Cwmbach, during the entire year, the rain falls for 192.1 days and collects up to 471mm (18.54") of precipitation.Snowfall
Months with snowfall are January through May, November and December. In December, it is snowing for 2.7 days. Throughout December, 17mm (0.67") of snow is accumulated. Throughout the year, in Cwmbach, there are 17.1 snowfall days, and 120mm (4.72") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 7:58 am and sunset at 4:07 pm. On the last day of December, in Cwmbach, sunrise is at 8:20 am and sunset at 4:13 pm GMT.
Sunshine
The average sunshine in December in Cwmbach is 3.2h.UV index
The months with the lowest UV index in Cwmbach 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 minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Cwmbach in December?
What are the most humid months in Cwmbach?
What is the average humidity in December in Cwmbach?
How many days does it rain in December in Cwmbach?
How many days does it snow in December in Cwmbach?
What is the month with the shortest days in Cwmbach?
What is the average length of the day in December in Cwmbach?
When are sunrise and sunset in December in Cwmbach?
How long on average sun shines in December in Cwmbach?
When is the lowest UV index in Cwmbach?
What is the UV index intensity in December in Cwmbach?
Average temperature in December
Cwmbach, United Kingdom
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.9°C).
Average pressure in December
Cwmbach, United Kingdom
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in December
Cwmbach, United Kingdom
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity in December
Cwmbach, United Kingdom
- Average humidity in December: 92%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall in December
Cwmbach, United Kingdom
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Cwmbach, United Kingdom
- Average rainfall days in December: 17.4 days
The months with the highest number of rainy days are July and November (18.7 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall in December
Cwmbach, United Kingdom
- Average snowfall in December: 17mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Cwmbach, United Kingdom
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cwmbach, 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 1min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).
Average sunshine days in December
Cwmbach, United Kingdom
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is April (12.5 days).
The month with the least sunshine days is November (7.2 days).
Average UV index in December
Cwmbach, 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
Cwmbach, United Kingdom
- Average cloud cover in December: 69
The month with the most cloud cover is November (Cloud cover 73).
The months with the least cloud cover are April and May (Cloud cover 60).
Average visibility in December
Cwmbach, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July and December (8km).
The months with the lowest visibility are August, September, October and November (7km).
