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
Dolwyddelan's weather, upon December's arrival, documents an average high-temperature of a still frosty 6.9°C (44.4°F), nearly identical to the prior month. During the nights of December, Dolwyddelan records an average low-temperature of 3.5°C (38.3°F), reflecting a modest decrease from daytime highs.Humidity
January, August, October through December, with an average relative humidity of 88%, are the most humid months.Rainfall
In Dolwyddelan, in December, it is raining for 17 days, with typically 74mm (2.91") of accumulated precipitation. In Dolwyddelan, during the entire year, the rain falls for 198.5 days and collects up to 770mm (30.31") of precipitation.Snowfall
Months with snowfall are January through June, October through December. In Dolwyddelan, during December, snow falls for 4.6 days and regularly aggregates up to 76mm (2.99") of snow. In Dolwyddelan, during the entire year, snow falls for 32.9 days and aggregates up to 494mm (19.45") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:06 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 8:29 am and sunset at 4:08 pm GMT.
Sunshine
December has the least sunshine of the year, with an average of 2.9h of sunshine.UV index
The months with the lowest UV index in Dolwyddelan are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Always opt for UVA and UVB-resistant sunglasses on radiant days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What are the most humid months?
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?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Dolwyddelan have in December?
When is the lowest UV index in Dolwyddelan?
What is the UV index reading in December?
Average temperature in December
Dolwyddelan, United Kingdom
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.2°C).
Average pressure in December
Dolwyddelan, United Kingdom
- Average pressure in December: 1012mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in December
Dolwyddelan, United Kingdom
- Average wind speed in December: 20.7km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).
Average humidity in December
Dolwyddelan, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, August, October, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Dolwyddelan, United Kingdom
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is November (79mm).
The driest months (with the least rainfall) are April and May (46mm).
Average rainfall days in December
Dolwyddelan, United Kingdom
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in December
Dolwyddelan, United Kingdom
- Average snowfall in December: 76mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Dolwyddelan, United Kingdom
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dolwyddelan, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Dolwyddelan, United Kingdom
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is March (13.9 days).
The months with the least sunshine days are July and August (9.1 days).
Average UV index in December
Dolwyddelan, 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
Dolwyddelan, United Kingdom
- Average cloud cover in December: 72
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are April and May (Cloud cover 55).
Average visibility in December
Dolwyddelan, 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).
