Click on a day for an hourly weather forecast
The temperatures in Belleville in October are quite cold with temperatures between 7°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Belleville. 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 Belleville can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Belleville in October 2025.
If you’re planning to visit Belleville in the near future, we highly recommend that you review the 14 day weather forecast for Belleville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -9° | 6 | 6 | 19 | 86 mm | Awful | Belleville in January |
| February | -3° / -9° | 5 | 6 | 18 | 79 mm | Awful | Belleville in February |
| March | 3° / -4° | 6 | 13 | 13 | 76 mm | Awful | Belleville in March |
| April | 9° / 2° | 9 | 18 | 3 | 111 mm | Awful | Belleville in April |
| May | 17° / 8° | 5 | 26 | 0 | 95 mm | Good | Belleville in May |
| June | 22° / 13° | 6 | 24 | 0 | 118 mm | Good | Belleville in June |
| July | 26° / 16° | 5 | 26 | 0 | 97 mm | Perfect | Belleville in July |
| August | 25° / 16° | 5 | 26 | 0 | 125 mm | Perfect | Belleville in August |
| September | 21° / 13° | 5 | 25 | 0 | 98 mm | Good | Belleville in September |
| October | 14° / 7° | 8 | 23 | 1 | 127 mm | Ok | Belleville in October |
| November | 7° / 1° | 7 | 16 | 7 | 84 mm | Awful | Belleville in November |
| December | 0° / -4° | 7 | 11 | 14 | 100 mm | Awful | Belleville in December |