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
A minor adjustment in Halwill's average high-temperature is noted with the start of December, touching a chilly 8.5°C (47.3°F) from November's 10.1°C (50.2°F). Halwill sees a minor drop to an average minimum temperature of 4.5°C (40.1°F) during the night in the month of December.Humidity
The months with the highest humidity in Halwill, United Kingdom, are January, November and December, with an average relative humidity of 88%.Rainfall
December is the month with the most rainfall. Rain falls for 18.9 days and accumulates 75mm (2.95") of precipitation.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, in Halwill, there are 6.6 snowfall days, and 68mm (2.68") of snow is accumulated.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:57 am and sunset at 4:14 pm. On the last day of December, in Halwill, sunrise is at 8:18 am and sunset at 4:21 pm GMT.
Sunshine
The average sunshine in December in Halwill is 3.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Halwill in December?
What are the most humid months in Halwill?
What is the average humidity in December in Halwill?
What is the rainiest month in Halwill?
How much does it rain in Halwill in December?
When does it start snowing in Halwill?
What is the month with the shortest days in Halwill?
What is the average length of the day in December in Halwill?
When is the sunrise / sunset in December in Halwill?
How many hours of sunshine does Halwill have in December?
What is the month with the lowest UV index in Halwill?
What is the UV index reading in December in Halwill?
Average temperature in December
Halwill, United Kingdom
- Average high temperature in December: 8.5°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in December: 4.5°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (3°C).
Average pressure in December
Halwill, United Kingdom
- Average pressure in December: 1014.4mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in December
Halwill, United Kingdom
- Average wind speed in December: 20.9km/h
The windiest month (with the highest average wind speed) is February (21km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).
Average humidity in December
Halwill, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Halwill, United Kingdom
- Average rainfall in December: 75mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is May (28mm).
Average rainfall days in December
Halwill, United Kingdom
- Average rainfall days in December: 18.9 days
The month with the highest number of rainy days is January (19.3 days).
The months with the least rainy days are April and September (15 days).
Average snowfall in December
Halwill, United Kingdom
- Average snowfall in December: 9mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Halwill, United Kingdom
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Halwill, United Kingdom
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).
Average sunshine days in December
Halwill, United Kingdom
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is March (12.4 days).
The month with the least sunshine days is November (7.8 days).
Average UV index in December
Halwill, 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
Halwill, United Kingdom
- Average cloud cover in December: 65
The month with the most cloud cover is November (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in December
Halwill, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
