Montreal, Canada All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Montreal, from NOAA GHCN daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 98.9°F (37°C) | July 2, 2018 |
| Record Low | -32.9°F (-36°C) | January 4, 1981 |
| Lowest High | -16°F (-27°C) | January 3, 1981 |
| Highest Low | 77°F (25°C) | July 21, 1977 |
| Highest Mean | 85.3°F (30°C) | July 2, 2018 |
| Lowest Mean | -19°F (-28°C) | January 23, 1976 |
| Precipitation | ||
| Max in One Calendar Day | 5.65" (143.4 mm) | November 8, 1996 |
| Max in One Month | 8.54" (217.0 mm) | October 2019 |
| Least in One Month | 0.04" (1.0 mm) | April 2008 |
| Max in One Year | 44.93" (1141.3 mm) | 1990 |
| Least in One Year | 21.36" (542.6 mm) | 1980 |
| Snowfall | ||
| Max in One Calendar Day | 24.8" (63.0 cm) | March 14, 2017 |
| Max in One Month | 37.6" (95.4 cm) | January 1966 |
| Max in One Season | 93.9" (238.5 cm) | 1970-71 |
| Max in One Year | 100.1" (254.2 cm) | 1977 |
| Earliest Snow | 0.5" (1.3 cm) | October 17, 1989 |
| Earliest Measurable Snow | 0.5" (1.3 cm) | October 17, 1989 |
| Latest Snow | 0.1" (0.3 cm) | May 11, 1963 |
| Latest Measurable Snow | 0.1" (0.3 cm) | May 11, 1963 |
| Period of Record | ||
| Temperature | January 1, 1963 – March 30, 2024 | |
| Precipitation | January 1, 1963 – March 30, 2024 | |
| Snowfall | January 1, 1963 – March 30, 2024 | |
Note: Records compiled from NOAA GHCN-Daily observations at LAPRAIRIE (10 mi from Montreal, Canada). Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.
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Frequently Asked Questions
What is the hottest temperature ever recorded in Montreal, Canada?
The all-time record high in Montreal, Canada is 98.9°F (37°C), set on July 2, 2018.
What is the coldest temperature ever recorded in Montreal, Canada?
The all-time record low in Montreal, Canada is -32.9°F (-36°C), set on January 4, 1981.
What is the most rain Montreal, Canada has ever had in one day?
The most precipitation recorded in one calendar day near Montreal, Canada is 5.65 inches, on November 8, 1996.
What is the biggest snowfall ever recorded in Montreal, Canada?
The most snow recorded in one calendar day near Montreal, Canada is 24.8 inches, on March 14, 2017.
Montreal Weather History
Monthly averages and climate data for Montreal
Canada Weather History
Historical weather for other Canada cities