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
The shift into December uncovers an average high-temperature of a chilly 8.6°C (47.5°F), subtly different from the previous month. December nights witness a mild cool down to an average low of 5.4°C (41.7°F).Humidity
The average relative humidity in December is 86%.Rainfall
In Cwmduad, in December, it is raining for 20.6 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, there are 210.2 rainfall days, and 515mm (20.28") of precipitation is accumulated.Snowfall
Months with snowfall are January, February, November and December. In Cwmduad, during December, snow falls for 0.9 days and regularly aggregates up to 5mm (0.2") of snow. Throughout the year, there are 3.9 snowfall days, and 15mm (0.59") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Cwmduad.On the first day of December, sunrise is at 8:03 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 8:25 am and sunset at 4:16 pm GMT.
Sunshine
In December, the average sunshine 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cwmduad in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cwmduad have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index in Cwmduad?
How high is the UV index in December?
Average temperature in December
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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
Cwmduad, 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).
