The weather in Oshawa in March is very cold with temperatures between -3°C and 3°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Oshawa 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.
Oshawa 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 Oshawa in March 2025.
If you’re planning to visit Oshawa in the near future, we highly recommend that you review the 14 day weather forecast for Oshawa before you arrive.
Temperatures
3° / -3°
Rainy Days
7
Snowy Days
11
Dry Days
13
Rainfall
92
mm
Sun Hours
7.1
Hrs
