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 35°C on 2020-05-27; its coldest fell to -37°C on 1981-01-04.
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 | 12°C1996-01-19
-26°C1994-01-16
|
6°C1995-01-15
-37°C1981-01-04
|
| February | 14°C1981-02-22
-23°C1995-02-06
|
6°C1981-02-21
-34°C1993-02-07
|
| March | 24°C2012-03-21
-17°C2007-03-06
|
10°C2012-03-22
-28°C1980-03-02
|
| April | 28°C1990-04-27
-6°C1982-04-07
|
14°C2002-04-17
-14°C2003-04-07
|
| May | 35°C2020-05-27
4°C1983-05-09
|
22°C2020-05-28
-1°C1986-05-03
|
| June | 34°C1988-06-15
11°C2015-06-02
|
24°C2025-06-24
5°C1986-06-03
|
| July | 35°C2020-07-10
15°C1981-07-29
|
25°C2001-07-24
9°C1982-07-04
|
| August | 34°C2001-08-09
14°C1994-08-31
|
26°C1988-08-04
7°C1986-08-29
|
| September | 32°C2002-09-09
7°C1992-09-30
|
22°C2010-09-02
0°C1980-09-29
|
| October | 28°C2025-10-05
2°C2002-10-30
|
18°C2023-10-05
-4°C2002-10-30
|
| November | 22°C2022-11-05
-10°C1995-11-29
|
15°C2022-11-06
-18°C1995-11-30
|
| December | 15°C2015-12-24
-25°C1993-12-27
|
7°C2001-12-06
-32°C1993-12-27
|
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) | 15°C2015-12-24
-26°C1994-01-16
|
7°C2001-12-06
-37°C1981-01-04
|
| Spring (Mar–May) | 35°C2020-05-27
-17°C2007-03-06
|
22°C2020-05-28
-28°C1980-03-02
|
| Summer (Jun–Aug) | 35°C2020-07-10
11°C2015-06-02
|
26°C1988-08-04
5°C1986-06-03
|
| Autumn (Sep–Nov) | 32°C2002-09-09
-10°C1995-11-29
|
22°C2010-09-02
-18°C1995-11-30
|
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.