Glasgow, IL has a humid continental climate with hot summers and cold winters. The average high in July is 85 degrees Fahrenheit, while the average low in January is 22 degrees Fahrenheit. Precipitation is abundant throughout the year with an average of 42 inches of rain and 30 inches of snow annually. Summers in Glasgow are generally sunny and warm, but can be quite humid due to the high humidity levels that come from the nearby Mississippi River. Winters can be cold and snowy with temperatures often dipping below 0 degrees Fahrenheit at night.
Glasgow, Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Glasgow averages 17 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 Glasgow. The US average is 205 sunny days.
Glasgow gets some kind of precipitation, on average, 107 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 18
Rain: averages 40 inches of rain a year
Snow: averages 17 inches of snow a year