Hanover Weather Records

Hanover, Germany weather averages and records from 1935–2023 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Hanover, Germany was 39.2 °C which occurred on July 20, 2022.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Hanover, Germany was -25.0 °C which occurred on January 27, 1942.
Lowest Temperatures: All-Time By Year
Hanover Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January 4.4 -0.5 17.0 -25.0 5.3
February 5.5 -0.5 19.1 -24.3 4.0
March 9.3 1.3 24.4 -18.3 4.5
April 14.7 4.2 29.7 -7.4 3.5
May 18.6 7.8 32.2 -5.0 5.2
June 21.7 11.1 35.7 0.3 5.3
July 23.9 13.3 39.2 3.3 6.8
August 23.7 13.1 38.0 3.3 6.5
September 19.4 9.9 33.0 -1.3 5.2
October 14.0 6.5 27.4 -7.9 5.7
November 8.5 3.2 20.7 -17.1 5.2
December 5.3 0.5 17.0 -20.9 5.5
Entire year 14.1 5.9 39.2 -25.0 62.7
More Hanover Weather Records
1935–2023
Highest daily low 22.7 °C July 11, 2010
Lowest daily high -15.5 °C January 14, 1987
Greatest daily range
(Difference of high and low)
25.9 °C April 12, 1939
Greatest difference in daily high
over two conscutive days
15.3 °C Aug 4–5, 2022
Most daily precipitation 7.9 cm August 26, 2010
Most monthly precipitation 18.9 cm July 1954
Most yearly precipitation 93.5 cm 1981
Most yearly days with precipitation 230 1965
Earliest freeze September 19 1977
Earliest day ≥ 20 °C March 9 2014
Earliest day ≥ 25 °C April 5 1946
Earliest day ≥ 30 °C May 14 1943
Latest freeze May 23 1980
Latest day ≥ 20 °C November 2 2020
Latest day ≥ 25 °C October 15 2018
Latest day ≥ 30 °C September 20 1947
Most days in a year < 0 °C 113 1996
Most days in a year ≥ 20 °C 142 2018
Most days in a year ≥ 25 °C 78 2018
Most days in a year ≥ 30 °C 22 2018
Most days in a year ≥ 35 °C 3 2022
Hanover Weather Streaks
Most consecutive days...
With precipitation 28 days Dec 18, 2022 – Jan 14, 2023
Without precipitation 33 days Dec 24, 1995 – Jan 25, 1996
Freezing temperatures
High temperature ≤ 0 °C
39 days Jan 20 – Feb 27, 1947
High temperature ≥ 20 °C 54 days Jun 22 – Aug 14, 2010
High temperature ≥ 25 °C 26 days Jul 15 – Aug 9, 2018
High temperature ≥ 30 °C 9 days Aug 4–12, 1975
Plant Hardiness Zone
7B
Hanover is in plant hardiness zone 7B
based on average yearly minimum temperature from 1991–2020
Facts About Hanover Weather
Hanover Weather by Year
More Hanover Weather
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Weather Station Details
Years Station Coordinates
1935–2023 Hannover location