Click on a day for an hourly weather forecast
The temperatures in Barrie in October are quite cold with temperatures between 6°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Barrie. 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 Barrie can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Barrie in October 2025.
If you’re planning to visit Barrie in the near future, we highly recommend that you review the 14 day weather forecast for Barrie before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -5° / -11° | 5 | 4 | 22 | 71 mm | Awful | Barrie in January |
| February | -4° / -11° | 3 | 4 | 21 | 64 mm | Awful | Barrie in February |
| March | 2° / -5° | 6 | 10 | 15 | 72 mm | Awful | Barrie in March |
| April | 9° / 1° | 8 | 13 | 9 | 113 mm | Awful | Barrie in April |
| May | 16° / 7° | 8 | 23 | 1 | 115 mm | Ok | Barrie in May |
| June | 20° / 12° | 8 | 22 | 0 | 150 mm | Ok | Barrie in June |
| July | 24° / 15° | 8 | 23 | 0 | 161 mm | Good | Barrie in July |
| August | 24° / 16° | 7 | 24 | 0 | 153 mm | Good | Barrie in August |
| September | 20° / 12° | 6 | 24 | 0 | 104 mm | Good | Barrie in September |
| October | 13° / 6° | 9 | 20 | 2 | 128 mm | Awful | Barrie in October |
| November | 5° / 0° | 7 | 12 | 11 | 81 mm | Awful | Barrie in November |
| December | -1° / -5° | 6 | 6 | 19 | 80 mm | Awful | Barrie in December |