The climate in Brussels, IL is generally mild and humid. Summers are warm with average temperatures reaching into the mid-80s. Winters are cold with temperatures dropping down to the low 20s. Precipitation is moderate throughout the year, with most of it falling as rain. Snowfall can be significant in the winter months, especially during blizzards and lake effect snowstorms. In general, the climate is pleasant but can change quickly depending on the season and weather pattern changes.
Brussels, Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Brussels averages 14 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Brussels. The US average is 205 sunny days.
Brussels gets some kind of precipitation, on average, 98 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 88 degrees
Winter Low: the January low is 21
Rain: averages 42 inches of rain a year
Snow: averages 14 inches of snow a year