Penfield, IL enjoys a humid continental climate with cold winters and hot summers. The average temperature in winter is around 28 °F with temperatures frequently dropping below 0°F. In the summertime, temperatures average around 76 °F with days sometimes reaching up to 90°F or more. Rainfall is fairly consistent year-round, though it does tend to be slightly heavier in the late spring and early summer months. Snowfall is common during winter, but light accumulations are usually seen throughout the area.
Penfield, Illinois gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Penfield averages 19 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 195 sunny days per year in Penfield. The US average is 205 sunny days.
Penfield gets some kind of precipitation, on average, 104 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 16
Rain: averages 41 inches of rain a year
Snow: averages 19 inches of snow a year