Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a comfortable 64.9°F (18.3°C) in April to a moderately hot 74.1°F (23.4°C). Throughout the month of May, the nighttime temperature in Brussels dips to an average of 56.8°F (13.8°C).Humidity
The most humid month is May, with an average relative humidity of 79%.Rainfall
The month with the most rainfall in Brussels is May, when the rain falls for 15.9 days and typically aggregates up to 3.35" (85mm) of precipitation.Snowfall
In Brussels, snow does not fall in April through October.Daylight
In Brussels, the average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 6:03 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:21 pm CDT.
Sunshine
In Brussels, the average sunshine in May is 9.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the usual temperature for Brussels in May?
What is the most humid month in Brussels?
What is the average humidity in May in Brussels?
What is the rainiest month in Brussels?
How much does it rain in Brussels in May?
When it does not snow in Brussels?
How many hours of daylight does Brussels have in May?
When are sunrise and sunset in May in Brussels?
How long on average sun shines in May in Brussels?
What are the months with the highest UV index in Brussels?
What is the UV index intensity in May in Brussels?
Average temperature in May
Brussels, IL
- Average high temperature in May: 74.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Brussels, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Brussels, IL
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Brussels, IL
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Brussels, IL
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in May
Brussels, IL
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Brussels, IL
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Brussels, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Brussels, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in May
Brussels, IL
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in May
Brussels, IL
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Brussels, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Brussels, IL
- Average visibility in May: 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, Illinois, USA
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