Click on a day for an hourly weather forecast
The weather in Orillia in March is very cold with temperatures between -5°C and 2°C, warm clothes are a must.
You can expect rain for roughly half of the month of March in Orillia. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Let it snow! You can expect Orillia to be covered in white during the month of March. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Orillia in March 2025.
If you’re planning to visit Orillia in the near future, we highly recommend that you review the 14 day weather forecast for Orillia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -5° / -12° | 6 | 3 | 24 | 105 mm | Awful | Orillia in January |
| February | -4° / -11° | 5 | 2 | 22 | 91 mm | Awful | Orillia in February |
| March | 2° / -5° | 8 | 8 | 16 | 95 mm | Awful | Orillia in March |
| April | 9° / 1° | 9 | 12 | 8 | 135 mm | Awful | Orillia in April |
| May | 17° / 7° | 8 | 22 | 1 | 122 mm | Ok | Orillia in May |
| June | 21° / 11° | 8 | 22 | 0 | 136 mm | Ok | Orillia in June |
| July | 24° / 15° | 7 | 24 | 0 | 138 mm | Good | Orillia in July |
| August | 24° / 15° | 6 | 25 | 0 | 144 mm | Perfect | Orillia in August |
| September | 20° / 11° | 6 | 24 | 0 | 107 mm | Good | Orillia in September |
| October | 13° / 6° | 9 | 21 | 2 | 138 mm | Awful | Orillia in October |
| November | 5° / 0° | 8 | 11 | 11 | 101 mm | Awful | Orillia in November |
| December | -1° / -6° | 7 | 4 | 21 | 109 mm | Awful | Orillia in December |