Thermograph

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

Hannover weather records

Record high and low temperatures for Hannover, 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 2022-07-20; its coldest fell to -25°C on 1997-01-02.

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°C2023-01-01
-15°C1987-01-14
11°C2023-01-01
-25°C1997-01-02
February
19°C2021-02-24
-9°C1996-02-08
12°C2004-02-04
-22°C1986-02-27
March
24°C2021-03-31
-6°C1987-03-03
11°C2017-03-30
-22°C1987-03-05
April
27°C2018-04-20
0°C1986-04-11
15°C2024-04-07
-6°C2003-04-09
May
32°C2005-05-28
6°C1996-05-10
18°C2018-05-29
-2°C2011-05-05
June
35°C2019-06-30
9°C1986-06-06
23°C2026-06-28
3°C2009-06-06
July
38°C2022-07-20
13°C1984-07-04
21°C2010-07-11
6°C2000-07-01
August
37°C1992-08-09
12°C1989-08-28
21°C2020-08-21
6°C1980-08-26
September
32°C2016-09-13
9°C1996-09-21
19°C2024-09-06
1°C2018-09-29
October
27°C2018-10-13
2°C1985-10-27
17°C2023-10-11
-7°C2003-10-24
November
20°C2020-11-02
-7°C1993-11-21
14°C2015-11-07
-9°C1998-11-22
December
16°C2022-12-31
-14°C1996-12-31
12°C2021-12-31
-19°C1996-12-31

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°C2021-02-24
-15°C1987-01-14
12°C2021-12-31
-25°C1997-01-02
Spring (Mar–May)
32°C2005-05-28
-6°C1987-03-03
18°C2018-05-29
-22°C1987-03-05
Summer (Jun–Aug)
38°C2022-07-20
9°C1986-06-06
23°C2026-06-28
3°C2009-06-06
Autumn (Sep–Nov)
32°C2016-09-13
-7°C1993-11-21
19°C2024-09-06
-9°C1998-11-22

All-time records

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

High

Highest 38°C 2022-07-20
Lowest -15°C 1987-01-14

Low

Highest 23°C 2026-06-28
Lowest -25°C 1997-01-02

Feels-like

Highest 52°C 2015-07-04
Lowest -36°C 1997-01-02

Humidity

Highest 19.4 g/m³ 2026-06-27
Lowest 0.9 g/m³ 1987-01-14

Wind

Highest 49 km/h 2018-01-18
Lowest 3 km/h 1992-01-28

Gust

Highest 123 km/h 2007-01-18
Lowest 8 km/h 1985-01-19

Precip

Wettest 45 mm 2007-08-21
Driest 10-day dry spell 2007-04-26

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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