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
With the onset of December, Halluin's climate undergoes a slight change as the average high-temperature moves from a fresh 10.1°C (50.2°F) in November to a frosty 7°C (44.6°F). December nights in Halluin experience a minor temperature downturn to a cold 3.1°C (37.6°F).Humidity
The most humid month in Halluin is December, with an average relative humidity of 87%.Rainfall
December is the month with the most rainfall. Rain falls for 18.5 days and accumulates 61mm (2.4") of precipitation.Snowfall
Months with snowfall in Halluin are January through March, November and December. In Halluin, during December, snow falls for 2.9 days and regularly aggregates up to 29mm (1.14") of snow. In Halluin, during the entire year, snow falls for 11.9 days and aggregates up to 100mm (3.94") of snow.Daylight
December has the shortest days of the year in Halluin, with an average of 8h and 0min of daylight.On the first day of December in Halluin, sunrise is at 08:28 and sunset at 16:45. On the last day of the month, sunrise is at 08:49 and sunset at 16:51 CET.
Sunshine
January and December, with an average of 4h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Halluin?
What is the most humid month in Halluin?
What is the average humidity in December in Halluin?
What is the wettest month in Halluin?
How much does it rain in Halluin in December?
How much does it snow in Halluin in December?
What is the month with the shortest days in Halluin?
How many hours of daylight does Halluin have in December?
When are sunrise and sunset in December in Halluin?
What are the months with the least sunshine in Halluin?
How many hours of sunshine does Halluin have in December?
What are the months with the lowest UV index in Halluin?
What is the UV index reading in December in Halluin?
Average temperature in December
Halluin, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Halluin, France
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Halluin, France
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).
Average humidity in December
Halluin, France
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Halluin, France
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Halluin, France
- Average rainfall days in December: 18.5 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is September (14.3 days).
Average snowfall in December
Halluin, France
- Average snowfall in December: 29mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Halluin, France
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (3.7 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
Halluin, France
- 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: 4h
The month with the most sunshine is June (Average sunshine: 10h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average sunshine days in December
Halluin, France
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is March (12.8 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in December
Halluin, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Halluin, France
- Average cloud cover in December: 60
The months with the most cloud cover are January and December (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in December
Halluin, France
- 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).
Halluin, France
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