Average monthly snow and rainfall in Thornhill
The mean monthly precipitation over the year in Thornhill (Ontario), including rain, snow, hail.
- On average, April is the wettest month with 87 mm of precipitation.
- On average, February is the driest month with 62 mm of precipitation.
- The average amount of annual precipitation is 911 mm.
Forecast for Thornhill
partly cloudy and no rain
broken clouds and small chance of rain
almost clear and no rain