Mississauga weather records
Record high and low temperatures for Mississauga, 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 34°C on 1988-07-08; its coldest fell to -26°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 | 14°C2005-01-13
-18°C1994-01-19
|
11°C2008-01-08
-26°C1981-01-04
|
| February | 15°C2017-02-23
-15°C2003-02-16
|
8°C2017-02-23
-26°C2015-02-16
|
| March | 23°C2012-03-22
-12°C2003-03-03
|
14°C1998-03-31
-26°C1980-03-02
|
| April | 27°C1990-04-25
-3°C2003-04-07
|
16°C1990-04-26
-10°C1982-04-07
|
| May | 31°C2012-05-28
5°C2020-05-09
|
23°C2012-05-29
-1°C2020-05-09
|
| June | 32°C1994-06-18
10°C1992-06-21
|
24°C2012-06-20
5°C1980-06-10
|
| July | 34°C1988-07-08
18°C1992-07-22
|
26°C2011-07-21
10°C1992-07-22
|
| August | 34°C2001-08-08
15°C1986-08-28
|
27°C2006-08-01
7°C1982-08-29
|
| September | 32°C2013-09-10
9°C1993-09-29
|
24°C1983-09-06
2°C1993-09-30
|
| October | 29°C2007-10-08
3°C2008-10-29
|
20°C2002-10-02
-3°C2020-10-31
|
| November | 21°C2024-11-05
-6°C2018-11-22
|
16°C2024-11-06
-15°C2019-11-13
|
| December | 17°C1982-12-03
-13°C1989-12-22
|
12°C1982-12-03
-25°C1980-12-25
|
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) | 17°C1982-12-03
-18°C1994-01-19
|
12°C1982-12-03
-26°C1981-01-04
|
| Spring (Mar–May) | 31°C2012-05-28
-12°C2003-03-03
|
23°C2012-05-29
-26°C1980-03-02
|
| Summer (Jun–Aug) | 34°C1988-07-08
10°C1992-06-21
|
27°C2006-08-01
5°C1980-06-10
|
| Autumn (Sep–Nov) | 32°C2013-09-10
-6°C2018-11-22
|
24°C1983-09-06
-15°C2019-11-13
|
All-time records
The most extreme value Mississauga 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.