Weather in Montréal for October 2025
Snowfall in Montréal during October is quite rare, with fewer than 2 snowy days on average.
According to Montréal snow forecast for October 2025, no snow is expected until the end of the month.Until now, October 2025 in Montréal is slightly cooler than the historical average by -0.6 °C.
The forecast for the upcoming days in Montréal predicts a temperature of 7.1 °C, which is slightly above the historical average.
In general, the average temperature in Montréal at the beginning of October is 20 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.3 °C by the end of October.
Montréal in October brings notable rainfall, with an average of 20 rainy days and a total precipitation of 108.7 mm.
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Montréal Weather October
Temperatures trend during October in Montréal
October weather in Montréal day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Partly cloudy | 19° /8° | 0.1 mm | 5 | |
| 2 Oct. |  Moderate or heavy rain shower | 16° /7° | 4.6 mm | 4 | |
| 3 Oct. |  Sunny | 21° /8° | 0 mm | 5 | |
| 4 Oct. |  Mist | 21° /9° | 0 mm | 5 | |
| 5 Oct. | Sunny | 22° /12° | 0 mm | 5 | |
| 6 Oct. | Sunny | 22° /11° | 1.6 mm | 6 | |
| 7 Oct. | Partly cloudy | 19° /10° | 33.9 mm | 5 | |
| 8 Oct. | Sunny | 15° /6° | 18 mm | 4 | |
| 9 Oct. | Partly cloudy | 14° /5° | 0.6 mm | 4 | |
| 10 Oct. | Sunny | 13° /6° | 2.2 mm | 3 | |
| 11 Oct. |  Overcast | 17° /7° | 0.4 mm | 4 | |
| 12 Oct. | Sunny | 17° /7° | 2.5 mm | 4 | |
| 13 Oct. |  Patchy rain possible | 15° /8° | 5.6 mm | 4 | |
| 14 Oct. | Overcast | 16° /8° | 3.7 mm | 4 | |
| 15 Oct. | Overcast | 14° /7° | 0.2 mm | 3 | |
| 16 Oct. | Overcast | 14° /6° | 4.7 mm | 3 | |
| 17 Oct. | Partly cloudy | 14° /5° | 1.1 mm | 3 | |
| 18 Oct. | Patchy rain possible | 13° /4° | 1 mm | 3 | |
| 19 Oct. | Moderate rain at times | 14° /5° | 0.9 mm | 4 | |
| 20 Oct. | Overcast | 14° /8° | 9.1 mm | 3 | |
| 21 Oct. | Moderate or heavy rain shower | 16° /8° | 5.9 mm | 4 | |
| 22 Oct. | Patchy rain possible | 16° /6° | 9 mm | 4 | |
| 23 Oct. | Overcast | 14° /7° | 1.1 mm | 3 | |
| 24 Oct. | Overcast | 13° /5° | 1.5 mm | 3 | |
| 25 Oct. | Patchy rain possible | 12° /6° | 0.9 mm | 3 | |
| 26 Oct. | Moderate or heavy rain shower | 12° /8° | 5.4 mm | 3 | |
| 27 Oct. | Overcast | 13° /6° | 0.6 mm | 3 | |
| 28 Oct. | Sunny | 12° /2° | 0.2 mm | 3 | |
| 29 Oct. | Sunny | 11° /1° | 0.8 mm | 3 | |
| 30 Oct. |  Moderate rain | 6° /2° | 10.9 mm | 0.3 | |
| 31 Oct. |  Heavy rain | 6° /4° | 108.1 mm | 0 | |
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Montréal in October - FAQ
October rainfall patterns in Montréal
UV exposure in Montréal during October
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