Thermograph

Hamilton weather records

Record high and low temperatures for Hamilton, 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 38°C on 1988-07-07; its coldest fell to -31°C on 2015-02-16.

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
16°C2005-01-13
-20°C1982-01-17
12°C2008-01-08
-29°C2004-01-10
February
18°C2017-02-23
-16°C2015-02-20
10°C2017-02-23
-31°C2015-02-16
March
27°C2012-03-22
-13°C2003-03-03
16°C1998-03-31
-27°C2003-03-03
April
30°C1990-04-25
-4°C2007-04-06
19°C1990-04-26
-13°C2016-04-05
May
34°C2006-05-29
5°C2020-05-09
24°C2012-05-29
-3°C2020-05-13
June
35°C2025-06-22
11°C1992-06-21
25°C2025-06-22
2°C1980-06-12
July
38°C1988-07-07
17°C1995-07-08
27°C1993-07-06
8°C2001-07-02
August
35°C2001-08-08
15°C1986-08-28
27°C2006-08-01
3°C1982-08-29
September
33°C2016-09-07
10°C1991-09-27
24°C1983-09-10
-1°C1989-09-27
October
30°C2007-10-08
3°C2008-10-29
20°C2016-10-18
-6°C2020-10-31
November
24°C2022-11-05
-6°C2018-11-22
16°C2024-11-05
-19°C2019-11-13
December
19°C1982-12-03
-15°C1983-12-26
14°C1982-12-03
-28°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)
19°C1982-12-03
-20°C1982-01-17
14°C1982-12-03
-31°C2015-02-16
Spring (Mar–May)
34°C2006-05-29
-13°C2003-03-03
24°C2012-05-29
-27°C2003-03-03
Summer (Jun–Aug)
38°C1988-07-07
11°C1992-06-21
27°C2006-08-01
2°C1980-06-12
Autumn (Sep–Nov)
33°C2016-09-07
-6°C2018-11-22
24°C1983-09-10
-19°C2019-11-13

All-time records

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

High

Highest 38°C 1988-07-07
Lowest -20°C 1982-01-17

Low

Highest 27°C 2006-08-01
Lowest -31°C 2015-02-16

Feels-like

Highest 58°C 1995-07-14
Lowest -42°C 2015-02-16

Humidity

Highest 23.5 g/m³ 2006-08-01
Lowest 0.5 g/m³ 1982-01-17

Wind

Highest 48 km/h 2017-03-08
Lowest 5 km/h 1989-06-23

Gust

Highest 113 km/h 1985-04-06
Lowest 11 km/h 1985-12-09

Precip

Wettest 90 mm 1990-08-13
Driest 11-day dry spell 1988-06-09

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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