Elmhurst, IL has a humid continental climate characterized by hot and humid summers and cold, dry winters. The annual average temperature is 48°F (9°C), with an average high of 59°F (15°C) and an average low of 37°F (3°C). Precipitation is fairly evenly distributed throughout the year, with an average total of 36.5 inches (93 cm). Summers tend to be quite humid with temperatures reaching into the 90s °F (32-38°C). Winters are cold but rarely dip below 0 °F (-17 to -18°C). Snowfall is relatively light compared to other areas of the country, averaging only 20 inches (51 cm) per year.
Elmhurst, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Elmhurst 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 Elmhurst. The US average is 205 sunny days.
Elmhurst 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.
Weather Highlights
Summer High: the July high is around 84 degrees
Winter Low: the January low is 15
Rain: averages 38 inches of rain a year
Snow: averages 31 inches of snow a year