Montreal, Canada Climate & Monthly Averages
The climate of Montreal
Located in Quebec, Canada, Montreal experiences a humid continental climate with warm summers and cold, often snowy winters. Afternoon temperatures peak near 77°F (25°C) in July and dip to about 22°F (-6°C) in January, with around 45.0 inches (1144 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: July - highs near 77°F (25°C)
- Coldest month: January - highs near 22°F (-6°C)
- Record high: 92°F (34°C) · Record low: -27°F (-33°C) (2015–2024)
- Wettest month: October (12 rainy days) · Sunniest: July (11.9 h sun/day)
- Climate type: humid continental - warm summers and cold, often snowy winters
- Snow: about 32 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 77°F (25°C) and overnight lows stay near 62°F (17°C). The coolest month is January, with typical highs of 22°F (-6°C) and lows around 7°F (-14°C). Based on 2015–2024 weather data, temperatures have reached as high as 92°F (34°C) and dropped as low as -27°F (-33°C).
Rain, sun and snow
October is usually the wettest month. It brings about 4.9 inches (126 mm) of rain over 12 days, while February is the driest. July brings the most sunshine, averaging 11.9 hours of sun a day. Snow falls on about 32 days in a typical year, mostly from November through April.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 22° | 7° | 12 | 3.1 in | 5.0 h/day | 77% |
| February | 25° | 8° | 11 | 3.0 in | 6.2 h/day | 75% |
| March | 35° | 19° | 11 | 3.1 in | 7.7 h/day | 70% |
| April | 49° | 31° | 12 | 4.5 in | 8.2 h/day | 65% |
| May | 64° | 45° | 10 | 3.0 in | 10.4 h/day | 63% |
| June | 72° | 55° | 14 | 4.6 in | 10.7 h/day | 68% |
| July | 77° | 62° | 12 | 4.2 in | 11.9 h/day | 72% |
| August | 75° | 61° | 13 | 4.8 in | 10.9 h/day | 74% |
| September | 69° | 54° | 9 | 3.0 in | 9.5 h/day | 75% |
| October | 55° | 42° | 12 | 4.9 in | 6.8 h/day | 75% |
| November | 41° | 29° | 12 | 3.2 in | 5.4 h/day | 74% |
| December | 29° | 17° | 13 | 3.6 in | 4.3 h/day | 76% |
Montreal month by month
Montreal weather in January
January brings highs around 22°F (-6°C), lows near 7°F (-14°C), about 12 wet days and roughly 9 snowy days - typically the coldest month of the year in Montreal.
Montreal weather in February
February brings highs around 25°F (-4°C), lows near 8°F (-14°C), about 11 wet days and roughly 7 snowy days - typically the driest month of the year in Montreal.
Montreal weather in March
March brings highs around 35°F (2°C), lows near 19°F (-7°C), about 11 wet days and roughly 5 snowy days.
Montreal weather in April
April brings highs around 49°F (10°C), lows near 31°F (-1°C), about 12 wet days and roughly 2 snowy days.
Montreal weather in May
May brings highs around 64°F (18°C), lows near 45°F (7°C), about 10 wet days.
Montreal weather in June
June brings highs around 72°F (22°C), lows near 55°F (13°C), about 14 wet days.
Montreal weather in July
July brings highs around 77°F (25°C), lows near 62°F (17°C), about 12 wet days - typically the hottest month and the sunniest month of the year in Montreal.
Montreal weather in August
August brings highs around 75°F (24°C), lows near 61°F (16°C), about 13 wet days.
Montreal weather in September
September brings highs around 69°F (20°C), lows near 54°F (12°C), about 9 wet days.
Montreal weather in October
October brings highs around 55°F (13°C), lows near 42°F (6°C), about 12 wet days - typically the wettest month of the year in Montreal.
Montreal weather in November
November brings highs around 41°F (5°C), lows near 29°F (-2°C), about 12 wet days and roughly 3 snowy days.
Montreal weather in December
December brings highs around 29°F (-1°C), lows near 17°F (-8°C), about 13 wet days and roughly 6 snowy days.
Seasons in Montreal
Spring (March through May)
Spring in Montreal is chilly, with daytime highs averaging 50°F (10°C) and nights around 32°F (0°C); expect showers on roughly 34 days across the season, plus around 6 snowy days.
Summer (June through August)
Summer in Montreal is mild and warm, with daytime highs averaging 75°F (24°C) and nights around 59°F (15°C); expect showers on roughly 39 days across the season.
Fall (September through November)
Fall in Montreal is mild, with daytime highs averaging 55°F (13°C) and nights around 41°F (5°C); expect showers on roughly 33 days across the season, plus around 3 snowy days.
Winter (December through February)
Winter in Montreal is frigid, with daytime highs averaging 25°F (-4°C) and nights around 11°F (-12°C); expect showers on roughly 36 days across the season, plus around 22 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Climate questions, answered
What is the average temperature in Montreal?
Is Montreal hot in summer?
Is Montreal cold in winter?
How many rainy days does Montreal get in a year?
Best time to visit Montreal
The best time to visit Montreal is generally May to September, when this window offers the warmest, brightest days of the year. Daytime temperatures in that window typically sit near 72°F (22°C).
Pack for Montreal with a heavy insulated coat, hat and gloves for winter; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 62°F (17°C).
Montreal temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.