The climate in Lombard, IL is largely temperate, with four distinct seasons. Summers are generally hot and humid, while winters can be cold and snowy. Spring often brings warm temperatures and heavy rainfall while autumn is usually mild and dry. Average temperatures tend to range from the high 20s in winter to the low 80s in summer, though these numbers can vary greatly between years. Rainfall averages about 30 inches annually and thunderstorms are common during spring and summer months.
Lombard, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lombard averages 31 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in Lombard. The US average is 205 sunny days.
Lombard gets some kind of precipitation, on average, 121 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.
Summer High: the July high is around 84 degrees
Winter Low: the January low is 15
Rain: averages 39 inches of rain a year
Snow: averages 31 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Lombard is 6.9 (10=best), which means it is less comfortable than most places in Illinois.
9 / 4.5
Summer / Winter
June, September and August are the most pleasant months in Lombard, while January and December are the least comfortable months.