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The temperatures in Trois Rivieres in October are quite cold with temperatures between 5°C and 12°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Trois Rivieres. 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.
Please note that Trois Rivieres can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Trois Rivieres in October 2025.
If you’re planning to visit Trois Rivieres in the near future, we highly recommend that you review the 14 day weather forecast for Trois Rivieres before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -7° / -15° | 5 | 5 | 22 | 101 mm | Awful | Trois Rivieres in January |
| February | -6° / -14° | 6 | 2 | 22 | 114 mm | Awful | Trois Rivieres in February |
| March | 0° / -8° | 8 | 7 | 17 | 107 mm | Awful | Trois Rivieres in March |
| April | 8° / 0° | 10 | 13 | 7 | 146 mm | Awful | Trois Rivieres in April |
| May | 17° / 7° | 9 | 22 | 0 | 139 mm | Ok | Trois Rivieres in May |
| June | 21° / 11° | 9 | 21 | 0 | 164 mm | Ok | Trois Rivieres in June |
| July | 24° / 14° | 8 | 23 | 0 | 152 mm | Good | Trois Rivieres in July |
| August | 24° / 14° | 7 | 24 | 0 | 165 mm | Good | Trois Rivieres in August |
| September | 20° / 10° | 6 | 24 | 0 | 115 mm | Good | Trois Rivieres in September |
| October | 12° / 5° | 9 | 21 | 1 | 151 mm | Bad | Trois Rivieres in October |
| November | 4° / -1° | 8 | 14 | 8 | 99 mm | Awful | Trois Rivieres in November |
| December | -3° / -9° | 6 | 7 | 18 | 124 mm | Awful | Trois Rivieres in December |