Sarnia Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Sarnia (Ontario). The numbers are calculated over a 30-year period to provide a reliable average.
- On average, June is the wettest month with 97 mm of precipitation.
- On average, March is the driest month with 66 mm of precipitation.
- The average amount of annual precipitation is 970 mm.
Current rainfall in Sarnia
broken clouds and rain
overcast and no rain
overcast and small chance of slight rain