Thermograph

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

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 30°C on 2008-03-16; its coldest fell to -5°C on 2003-07-13.

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
29°C2016-01-24
17°C1983-01-23
22°C2008-01-21
6°C1998-01-10
February
29°C2022-02-10
17°C1993-02-02
22°C2022-02-11
5°C2006-02-23
March
30°C2008-03-16
15°C1992-03-22
21°C1981-03-09
4°C2010-03-17
April
26°C2014-04-06
13°C1992-04-03
20°C1999-04-07
0°C1992-04-22
May
22°C2016-05-03
10°C2001-05-29
18°C2023-05-03
-5°C2014-05-27
June
20°C2011-06-05
9°C1986-06-16
17°C2016-06-09
-4°C1996-06-18
July
19°C2025-07-04
7°C1982-07-08
16°C1998-07-01
-5°C2003-07-13
August
20°C2024-08-31
7°C2011-08-15
17°C2022-08-18
-3°C2004-08-03
September
21°C1995-09-29
11°C2022-09-05
16°C2000-09-30
-3°C2009-09-05
October
22°C2020-10-24
10°C1982-10-18
17°C1998-10-27
-2°C2003-10-05
November
27°C2019-11-25
14°C2014-11-12
19°C2021-11-13
2°C2002-11-12
December
27°C2025-12-09
16°C1991-12-04
21°C2010-12-27
5°C2020-12-01

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Southern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Summer (Dec–Feb)
29°C2016-01-24
16°C1991-12-04
22°C2022-02-11
5°C2006-02-23
Autumn (Mar–May)
30°C2008-03-16
10°C2001-05-29
21°C1981-03-09
-5°C2014-05-27
Winter (Jun–Aug)
20°C2011-06-05
7°C1982-07-08
17°C2016-06-09
-5°C2003-07-13
Spring (Sep–Nov)
27°C2019-11-25
10°C1982-10-18
19°C2021-11-13
-3°C2009-09-05

All-time records

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

High

Highest 30°C 2008-03-16
Lowest 7°C 1982-07-08

Low

Highest 22°C 2022-02-11
Lowest -5°C 2003-07-13

Feels-like

Highest 35°C 2022-02-10
Lowest -9°C 2017-07-29

Humidity

Highest 20.7 g/m³ 2022-02-11
Lowest 4.3 g/m³ 2011-08-15

Wind

Highest 53 km/h 2023-02-13
Lowest 4 km/h 1987-05-10

Gust

Highest 114 km/h 1995-09-06
Lowest 11 km/h 1996-06-14

Precip

Wettest 98 mm 2011-01-22
Driest 7-day dry spell 2010-07-07

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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