Irwin, PA has a humid continental climate with hot and humid summers and cold winters. On average, July is the hottest month of the year with temperatures reaching up to 86°F (30°C) whereas January is the coldest month with temperatures reaching down to around 21°F (-6°C). The area typically receives approximately 40 inches of precipitation each year, with the most occurring in August and September. Snowfall occurs from late November through early April each year, usually ranging from 20-25 inches per season.
Irwin township (Venango County), Pennsylvania gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Irwin township (Venango County) averages 45 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 160 sunny days per year in Irwin township (Venango County). The US average is 205 sunny days.
Irwin township (Venango County) gets some kind of precipitation, on average, 158 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 82 degrees
Winter Low: the January low is 18
Rain: averages 44 inches of rain a year
Snow: averages 45 inches of snow a year