Best time to visit · Canada
Best time to visit Montréal
Montréal averages 20 just-right days a year; no month is reliably just right, and September comes closest. Most other days miss by being too cool.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
Montréal weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 20
- Too cool 259
- Too hot 48
- Too muggy 17
- Too gray 21
When to visit Montréal
Montréal rarely hits the 70 to 80°F, dry and sunny window; September comes closest, with 4 just-right days. January, February, March, April, May, October, November and December are mostly too cool, with average highs of 23 to 66°F (19°C). July and August are mostly too hot, with average highs of 79 to 81°F (27°C).
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 23°F (-5°C) | 15°F (-9°C) | 74% | 0 |
| February | 26°F (-3°C) | 15°F (-9°C) | 70% | 0 |
| March | 37°F (3°C) | 22°F (-6°C) | 69% | 0 |
| April | 51°F (11°C) | 31°F (-1°C) | 69% | 0 |
| May | 66°F (19°C) | 45°F (7°C) | 64% | 3 |
| June | 75°F (24°C) | 55°F (13°C) | 58% | 4 |
| July | 81°F (27°C) | 61°F (16°C) | 50% | 3 |
| August | 79°F (26°C) | 60°F (16°C) | 50% | 4 |
| September | 72°F (22°C) | 54°F (12°C) | 58% | 4 |
| October | 57°F (14°C) | 42°F (6°C) | 65% | 1 |
| November | 44°F (7°C) | 31°F (-1°C) | 77% | 0 |
| December | 31°F (-1°C) | 22°F (-6°C) | 77% | 0 |
How Montréal compares
Montréal gets 20 just-right days a year with our default window; the median big US city gets 33. It ranks #3 of 4 Canada places on Goldilocks Map. On muggy days: 17. On gray days: 21.
See every Canada city ranked →
Places with a similar climate
Nearby
Montréal averages 20 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/canada/montreal/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.