Montréal weather records
Record high and low temperatures for Montréal, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 36°C on 2020-05-27; its coldest fell to -36°C on 1994-01-27.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 15°C1996-01-19
-26°C1981-01-04
|
6°C1995-01-15
-36°C1994-01-27
|
| February | 16°C1981-02-22
-22°C2023-02-04
|
8°C1981-02-21
-35°C1993-02-07
|
| March | 26°C2012-03-21
-15°C1989-03-07
|
11°C1987-03-31
-30°C1980-03-02
|
| April | 31°C1990-04-27
-5°C1995-04-05
|
17°C2002-04-17
-13°C1995-04-05
|
| May | 36°C2020-05-27
5°C2020-05-09
|
23°C2020-05-29
-2°C1986-05-04
|
| June | 35°C2025-06-24
12°C1980-06-10
|
25°C2025-06-24
1°C1986-06-03
|
| July | 35°C2020-07-10
15°C1981-07-29
|
25°C2022-07-21
6°C1982-07-04
|
| August | 36°C2001-08-09
15°C1985-08-30
|
25°C1988-08-04
5°C1986-08-29
|
| September | 33°C1999-09-04
8°C1992-09-30
|
22°C1989-09-10
-3°C1980-09-29
|
| October | 30°C2025-10-05
2°C1992-10-31
|
20°C2002-10-02
-8°C2020-10-31
|
| November | 23°C2022-11-05
-10°C1995-11-30
|
17°C2022-11-06
-21°C2018-11-23
|
| December | 16°C1982-12-04
-25°C1993-12-27
|
10°C2001-12-06
-33°C1989-12-30
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 16°C1981-02-22
-26°C1981-01-04
|
10°C2001-12-06
-36°C1994-01-27
|
| Spring (Mar–May) | 36°C2020-05-27
-15°C1989-03-07
|
23°C2020-05-29
-30°C1980-03-02
|
| Summer (Jun–Aug) | 36°C2001-08-09
12°C1980-06-10
|
25°C2025-06-24
1°C1986-06-03
|
| Autumn (Sep–Nov) | 33°C1999-09-04
-10°C1995-11-30
|
22°C1989-09-10
-21°C2018-11-23
|
All-time records
The most extreme value Montréal has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.