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
December brings a decrease in the average high-temperature, shifting from a cold 42.1°F (5.6°C) in November to a subzero cold 31.1°F (-0.5°C). Brussels's December nights experience a subtle temperature dip to an average of 23.5°F (-4.7°C).Humidity
In Brussels, the average relative humidity in December is 83%.Rainfall
In Brussels, in December, during 5.6 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 106.4 rainfall days, and 10.35" (263mm) of precipitation is accumulated.Snowfall
Months with snowfall in Brussels are January through May, October through December. In December, it is snowing for 11.3 days. Throughout December, 1.26" (32mm) of snow is accumulated. In Brussels, during the entire year, snow falls for 51.8 days and aggregates up to 7.17" (182mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:08 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:19 pm CST.
Sunshine
In Brussels, Wisconsin, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Brussels, Wisconsin, are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold is it in Brussels in December?
What is the average humidity in December in Brussels?
How much does it rain in Brussels in December?
How much does it snow in Brussels in December?
What is the month with the shortest days in Brussels?
What is the average length of the day in December in Brussels?
When are sunrise and sunset in December in Brussels?
How long on average sun shines in December in Brussels?
When is the lowest UV index in Brussels?
What is the UV index intensity in December in Brussels?
Average temperature in December
Brussels, WI
- Average high temperature in December: 31.1°F
The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is August (61.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Brussels, WI
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Brussels, WI
- Average wind speed in December: 12.7mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in December
Brussels, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, May, October and November (77%).
Average rainfall in December
Brussels, WI
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are February and November (0.55").
Average rainfall days in December
Brussels, WI
- Average rainfall days in December: 5.6 days
The months with the highest number of rainy days are June and July (11.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Brussels, WI
- Average snowfall in December: 1.26"
The months with the highest snowfall are January and February (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brussels, WI
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brussels, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Brussels, WI
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in December
Brussels, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Brussels, WI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Brussels, WI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Brussels, Wisconsin, USA
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