Columbia, IL enjoys mild temperatures throughout the year with an average annual high of around 68°F and low of 44°F. The city is situated in the humid continental climate zone and sees four distinct seasons. Summers are warm and humid with highs reaching into the 80s, while winters can be quite cold with temperatures rarely dipping below 0°F. There is an average of 37 inches of rainfall a year, as well as some snowfall each winter.
Columbia, Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Columbia averages 14 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Columbia. The US average is 205 sunny days.
Columbia 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 88 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 14 inches of snow a year