Montreal Weather by Month
Twelve months of Montreal, Canada weather — averages from 2006–2025.
Montreal's warmest month is July (average high 26.1°C (79°F)) and the coolest is January (-4.5°C (23.9°F)). The most rain falls in October (about 118 mm), and February is the driest (about 68 mm). July is the sunniest, with about 12 hours of sunshine a day.
Best months to visit Montreal
Ranked within Montreal's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Montreal month by month
January
PoorHigh -4.5°C (23.9°F)
Low -12.9°C (8.8°F)
- Rainfall
- 71 mm (2.8 in)
- Rainy days
- 11 rainy days
- Sunshine
- 5.3 h sunshine / day
February
PoorHigh -3.3°C (26.1°F)
Low -12.3°C (9.9°F)
- Rainfall
- 68 mm (2.7 in)
- Rainy days
- 10 rainy days
- Sunshine
- 6.6 h sunshine / day
March
PoorHigh 2.9°C (37.2°F)
Low -6.3°C (20.7°F)
- Rainfall
- 76 mm (3 in)
- Rainy days
- 11 rainy days
- Sunshine
- 8 h sunshine / day
April
FairHigh 11°C (51.8°F)
Low 1°C (33.8°F)
- Rainfall
- 107 mm (4.2 in)
- Rainy days
- 12 rainy days
- Sunshine
- 8.7 h sunshine / day
May
GoodHigh 18.8°C (65.8°F)
Low 8.6°C (47.5°F)
- Rainfall
- 95 mm (3.8 in)
- Rainy days
- 12 rainy days
- Sunshine
- 10.1 h sunshine / day
June
GoodHigh 23.3°C (73.9°F)
Low 14.4°C (57.9°F)
- Rainfall
- 117 mm (4.6 in)
- Rainy days
- 14 rainy days
- Sunshine
- 10.9 h sunshine / day
July
GoodHigh 26.1°C (79°F)
Low 17.7°C (63.9°F)
- Rainfall
- 101 mm (4 in)
- Rainy days
- 12 rainy days
- Sunshine
- 12 h sunshine / day
August
GoodHigh 24.8°C (76.6°F)
Low 16.7°C (62.1°F)
- Rainfall
- 108 mm (4.3 in)
- Rainy days
- 12 rainy days
- Sunshine
- 11.2 h sunshine / day
September
GreatHigh 21°C (69.8°F)
Low 12.8°C (55°F)
- Rainfall
- 88 mm (3.4 in)
- Rainy days
- 9 rainy days
- Sunshine
- 9.3 h sunshine / day
October
GoodHigh 13.7°C (56.7°F)
Low 6.7°C (44.1°F)
- Rainfall
- 118 mm (4.6 in)
- Rainy days
- 12 rainy days
- Sunshine
- 6.9 h sunshine / day
November
PoorHigh 5.8°C (42.4°F)
Low -0.5°C (31.1°F)
- Rainfall
- 79 mm (3.1 in)
- Rainy days
- 12 rainy days
- Sunshine
- 5.6 h sunshine / day
December
PoorHigh -1.1°C (30°F)
Low -8°C (17.6°F)
- Rainfall
- 97 mm (3.8 in)
- Rainy days
- 13 rainy days
- Sunshine
- 4.4 h sunshine / day
More Canada cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.