The climate in Westfield, IL is generally mild with all four seasons experienced each year. Summers are typically hot and humid, with temperatures reaching into the 90s at times. Winters can be cold, but usually not too severe as the temperatures rarely dip below freezing. Spring and fall are very pleasant, often accompanied by sunny skies. Rainfall is fairly regular throughout the year, with a few snow storms scattered in during the winter months. Overall, the climate in Westfield is quite comfortable and makes for enjoyable living conditions all year long.
Westfield, Illinois gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Westfield averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Westfield. The US average is 205 sunny days.
Westfield gets some kind of precipitation, on average, 111 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 86 degrees
Winter Low: the January low is 20
Rain: averages 41 inches of rain a year
Snow: averages 15 inches of snow a year