Montreal weather by month
The best time to visit Montreal, Canada is June. Pick a month for full climate normals and a verdict.
- Januaryfreezing, rainy, clean air31tier F
- Februaryfreezing, rainy, clean air35tier F
- Marchfreezing, rainy, clean air48tier F
- Aprilcold, rainy, clean air68tier C
- Maynice, a little rain, clean air83tier A
- Junenice, rainy91tier S
- Julywarm, rainy80tier A
- Augustwarm, rainy, very humid85tier A
- Septembernice, rainy, clean air87tier A
- Octobercool, rainy, clean air66tier C
- Novembercold, rainy, clean air53tier D
- Decemberfreezing, rainy, clean air37tier F