The climate in Dawson, IL is classified as humid continental, which means there are four distinct seasons—spring, summer, fall, and winter. Summers tend to be hot and humid with temperatures regularly reaching into the high 80s (°F), while winters are cold and snowy with the temperature often dipping below freezing. Rainfall is moderate throughout the year but snow can accumulate during winter months due to cold air masses coming from Canada. The average yearly temperature is around 45°F (7°C).
Dawson, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Dawson averages 17 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Dawson. The US average is 205 sunny days.
Dawson gets some kind of precipitation, on average, 103 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 85 degrees
Winter Low: the January low is 18
Rain: averages 38 inches of rain a year
Snow: averages 17 inches of snow a year