Decatur, IL 62523 experiences a warm temperate climate, with warm summers and mild winters. The average temperature during the summer months ranges from the mid-70s to low 80s with occasional hot spells in July and August. Winters in Decatur are typically cool but not too cold, as temperatures rarely dip below freezing. Precipitation is fairly evenly distributed throughout the year, with an average of 42 inches of rain per year. On average, Decatur receives around 20 inches of snow throughout the winter months.
Decatur (zip 62523), Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Decatur (zip 62523) averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Decatur (zip 62523). The US average is 205 sunny days.
Decatur (zip 62523) gets some kind of precipitation, on average, 101 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 19
Rain: averages 40 inches of rain a year
Snow: averages 12 inches of snow a year