Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Toronto weather records

Record high and low temperatures for Toronto, 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 1995-07-14; its coldest fell to -28°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.

MonthDaytime highOvernight low
January
14°C2005-01-13
-21°C1982-01-17
10°C2008-01-08
-28°C1981-01-04
February
13°C2017-02-23
-18°C2015-02-15
5°C2000-02-27
-25°C1996-02-04
March
21°C1998-03-31
-15°C2003-03-03
13°C1998-03-31
-26°C1980-03-02
April
25°C1990-04-25
-4°C1982-04-06
15°C1990-04-27
-12°C1982-04-07
May
29°C2012-05-28
4°C1989-05-07
20°C2012-05-29
-1°C2005-05-04
June
32°C1995-06-19
10°C1992-06-21
23°C2025-06-24
5°C1980-06-12
July
34°C1995-07-14
18°C1984-07-07
26°C2012-07-17
11°C1995-07-03
August
33°C2001-08-08
16°C1982-08-28
26°C2006-08-01
9°C1986-08-28
September
31°C2013-09-10
9°C1993-09-29
23°C2018-09-02
4°C1993-09-30
October
29°C2007-10-08
4°C2008-10-29
20°C2002-10-01
-2°C1988-10-31
November
20°C2024-11-05
-6°C2018-11-22
15°C1982-11-02
-12°C2019-11-13
December
16°C1982-12-03
-16°C1989-12-22
11°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).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
16°C1982-12-03
-21°C1982-01-17
11°C1982-12-03
-28°C1981-01-04
Spring (Mar–May)
29°C2012-05-28
-15°C2003-03-03
20°C2012-05-29
-26°C1980-03-02
Summer (Jun–Aug)
34°C1995-07-14
10°C1992-06-21
26°C2006-08-01
5°C1980-06-12
Autumn (Sep–Nov)
31°C2013-09-10
-6°C2018-11-22
23°C2018-09-02
-12°C2019-11-13

All-time records

The most extreme value Toronto has recorded for each metric across its entire history.

High

Highest 34°C 1995-07-14
Lowest -21°C 1982-01-17

Low

Highest 26°C 2006-08-01
Lowest -28°C 1981-01-04

Feels-like

Highest 39°C 1995-07-14
Lowest -34°C 1981-01-04

Humidity

Highest 21.5 g/m³ 1995-07-14
Lowest 0.4 g/m³ 1982-01-17

Wind

Highest 50 km/h 2018-05-04
Lowest 6 km/h 1993-09-17

Gust

Highest 114 km/h 1985-04-06
Lowest 13 km/h 2007-02-27

Precip

Wettest 56 mm 2004-07-31
Driest 22-day dry spell 1987-03-03

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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