61277 Prophetstown, IL experiences a humid continental climate with cold winters and hot summers. Winters are generally snowy with temperatures often dropping to below freezing. Summers can reach up to the high 80s and are generally wet and humid. Spring and fall are warmer seasons but bring frequent rain showers that can last for days at a time.
Prophetstown (zip 61277), Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Prophetstown (zip 61277) averages 29 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Prophetstown (zip 61277). The US average is 205 sunny days.
Prophetstown (zip 61277) gets some kind of precipitation, on average, 100 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 14
Rain: averages 38 inches of rain a year
Snow: averages 29 inches of snow a year