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The weather in Rimouski in October is very cold with temperatures between 4°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Rimouski. 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.
You can expect a few days of snow in Rimouski during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Rimouski.
Our weather forecast can give you a great sense of what weather to expect in Rimouski in October 2025.
If you’re planning to visit Rimouski in the near future, we highly recommend that you review the 14 day weather forecast for Rimouski before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -8° / -14° | 3 | 5 | 24 | 98 mm | Awful | Rimouski in January |
| February | -7° / -13° | 3 | 4 | 22 | 81 mm | Awful | Rimouski in February |
| March | -3° / -8° | 7 | 5 | 21 | 101 mm | Awful | Rimouski in March |
| April | 4° / -1° | 8 | 8 | 14 | 135 mm | Awful | Rimouski in April |
| May | 12° / 5° | 8 | 23 | 1 | 108 mm | Bad | Rimouski in May |
| June | 17° / 10° | 7 | 23 | 0 | 115 mm | Ok | Rimouski in June |
| July | 21° / 13° | 7 | 24 | 0 | 121 mm | Ok | Rimouski in July |
| August | 20° / 13° | 7 | 24 | 0 | 117 mm | Ok | Rimouski in August |
| September | 15° / 9° | 6 | 24 | 0 | 114 mm | Good | Rimouski in September |
| October | 9° / 4° | 9 | 18 | 4 | 147 mm | Awful | Rimouski in October |
| November | 3° / -1° | 6 | 12 | 12 | 121 mm | Awful | Rimouski in November |
| December | -4° / -8° | 5 | 7 | 19 | 115 mm | Awful | Rimouski in December |