Average monthly snow and rainfall in Irwin (PA)
The mean monthly precipitation over the year in Irwin (Pennsylvania), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: May, June, July, August and December.
- On average, June is the wettest month with 145 mm of precipitation.
- On average, February is the driest month with 67 mm of precipitation.
- The average amount of annual precipitation is 1172 mm.
Weather Forecasts for Irwin (PA)
partly cloudy and slight rain
broken clouds and rain
broken clouds and thunder