Effingham, IL has a humid continental climate with hot and humid summers, cold winters, and moderate precipitation throughout the year. The area receives an average of about 43 inches of rain annually and snowfall ranges from light to moderate depending on the winter season. Temperatures during the summer months generally reach into the low-80s Fahrenheit while in winter temperatures can drop as low as the high-teens Fahrenheit.
Effingham (zip 62401), Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Effingham (zip 62401) averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Effingham (zip 62401). The US average is 205 sunny days.
Effingham (zip 62401) gets some kind of precipitation, on average, 108 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 87 degrees
Winter Low: the January low is 20
Rain: averages 42 inches of rain a year
Snow: averages 16 inches of snow a year