The weather in Ontario in March is very cold with temperatures between -2°C and 4°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Ontario during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Ontario is going to experience quite a number of days of snow during March. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Ontario in March 2025.
If you’re planning to visit Ontario in the near future, we highly recommend that you review the 14 day weather forecast for Ontario before you arrive.
Temperatures
4° / -2°
Rainy Days
7
Snowy Days
9
Dry Days
15
Rainfall
63
mm
Sun Hours
7.6
Hrs
