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
Spiennes, Belgium, records a mild change in average high-temperature during December, easing from 9.5°C (49.1°F) in November to a still frosty 6.2°C (43.2°F). Nighttime, during December, brings an average low of 2.2°C (36°F), a modest reduction from the day's peak.Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
December is the month with the most rainfall in Spiennes, Belgium. Rain falls for 15.4 days and accumulates 60mm (2.36") of precipitation.Snowfall
January through March, October through December are months with snowfall in Spiennes. In Spiennes, in December, snow falls for 2.5 days, with typically accumulated 20mm (0.79") of snow. Throughout the year, in Spiennes, there are 10.3 snowfall days, and 87mm (3.43") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:23 and sunset at 16:43. On the last day of the month, sunrise is at 08:44 and sunset at 16:50 CET.
Sunshine
January and December, with an average of 3.7h of sunshine, are months with the least sunshine in Spiennes, Belgium.UV index
The months with the lowest UV index in Spiennes 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 average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Spiennes?
What is the most humid month in Spiennes?
What is the average humidity in December in Spiennes?
What is the wettest month in Spiennes?
How much does it rain in Spiennes in December?
How many days does it snow in December in Spiennes?
What is the month with the shortest days in Spiennes?
How many hours of daylight does Spiennes have in December?
When is the sunrise / sunset in December in Spiennes?
What is the month with the least sunshine in Spiennes?
How many hours of sunshine does Spiennes have in December?
What are the months with the lowest UV index in Spiennes?
What is the UV index intensity in December in Spiennes?
Average temperature in December
Spiennes, Belgium
- Average high temperature in December: 6.2°C
The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in December: 2.2°C
The months with the highest average low temperature are July and August (12.9°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in December
Spiennes, Belgium
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in December
Spiennes, Belgium
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in December
Spiennes, Belgium
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Spiennes, Belgium
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Spiennes, Belgium
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is March (12.8 days).
Average snowfall in December
Spiennes, Belgium
- Average snowfall in December: 20mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Spiennes, Belgium
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spiennes, Belgium
- Average daylight in December: 8h and 1min
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 6min).
- Average sunshine in December: 3h and 4min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in December
Spiennes, Belgium
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Spiennes, Belgium
- 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
Spiennes, Belgium
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in December
Spiennes, Belgium
- 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).
Spiennes, Belgium
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