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The weather in Sudbury in March is very cold with temperatures between -9°C and -1°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sudbury 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.
Let it snow! You can expect Sudbury 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 Sudbury in March 2025.
If you’re planning to visit Sudbury in the near future, we highly recommend that you review the 14 day weather forecast for Sudbury before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -9° / -16° | 3 | 4 | 24 | 62 mm | Awful | Sudbury in January |
| February | -7° / -16° | 2 | 3 | 23 | 62 mm | Awful | Sudbury in February |
| March | -1° / -9° | 6 | 7 | 20 | 69 mm | Awful | Sudbury in March |
| April | 6° / -2° | 7 | 11 | 12 | 106 mm | Awful | Sudbury in April |
| May | 17° / 6° | 6 | 23 | 2 | 74 mm | Ok | Sudbury in May |
| June | 21° / 10° | 6 | 24 | 0 | 84 mm | Good | Sudbury in June |
| July | 24° / 13° | 5 | 26 | 0 | 79 mm | Perfect | Sudbury in July |
| August | 23° / 13° | 5 | 26 | 0 | 88 mm | Perfect | Sudbury in August |
| September | 18° / 9° | 6 | 24 | 0 | 92 mm | Good | Sudbury in September |
| October | 10° / 3° | 8 | 18 | 5 | 127 mm | Awful | Sudbury in October |
| November | 3° / -3° | 6 | 9 | 15 | 91 mm | Awful | Sudbury in November |
| December | -4° / -10° | 4 | 5 | 22 | 62 mm | Awful | Sudbury in December |