Average annual temperature is 18.0 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 201 days
Number of rainy days: 164 days
Look at detailed online map of Montreal
* Weather data for Montreal United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 23.4 | 25.1 | 27.5 | 29.5 | 32.0 | 39.9 | 39.8 | 41.3 | 36.7 | 32.6 | 28.7 | 20.5 |
| Average daytime temperature (°C) | 13.3 | 15.6 | 18.8 | 22.3 | 27.6 | 32.9 | 35.1 | 35.9 | 31.4 | 24.1 | 18.1 | 13.7 |
| Average temperature (°C) | 8.2 | 9.3 | 12.2 | 15.9 | 21.5 | 26.2 | 28.7 | 29.3 | 25.1 | 18.5 | 12.0 | 8.7 |
| Average night temperature (°C) | 4.2 | 5.2 | 7.5 | 10.6 | 16.4 | 20.6 | 23.7 | 23.8 | 19.8 | 14.3 | 7.3 | 4.9 |
| Absolute minimum temperature (°C) | -3.5 | -5.5 | -4.3 | 5.9 | 7.7 | 16.8 | 19.3 | 17.8 | 16.0 | -0.3 | -1.9 | -0.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 5.8 | 7.9 | 8.9 | 10.6 | 12.2 | 11.6 | 11.8 | 10.5 | 8.0 | 7.9 | 6.7 |
| Precipitation (mm) | 84 | 137 | 192 | 137 | 137 | 57 | 91 | 76 | 69 | 114 | 49 | 56 |
| Sunny days | 17 | 13 | 15 | 18 | 13 | 15 | 13 | 18 | 19 | 16 | 23 | 21 |
| Rainy days | 14 | 15 | 16 | 12 | 18 | 15 | 18 | 13 | 11 | 15 | 7 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Montreal during the most sunny months:
The largest precipitation sum in Montreal is at