Hillcrest, IL has a mild climate with hot summers and cold winters. During the summer months, temperatures can reach up to 90 degrees Fahrenheit during the day and drop to around 60 at night. Winters are generally cold with temperatures dropping below freezing at night and reaching highs of 40 degrees during the day. Snowfall is common in Hillcrest during winter months, but usually does not last more than a few days at a time. Rainfall is plentiful throughout the year, keeping vegetation green and lush for most of the year.
Hillcrest, Illinois gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hillcrest averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Hillcrest. The US average is 205 sunny days.
Hillcrest gets some kind of precipitation, on average, 109 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 83 degrees
Winter Low: the January low is 12
Rain: averages 36 inches of rain a year
Snow: averages 28 inches of snow a year