Mainz Weather Records

Mainz, Germany weather averages and records from 1891–2023 based on data made available by the NOAA.

All-Time Recorded High

The highest temperature ever recorded in Mainz, Germany was 39.1 °C which occurred on July 25, 2019.

Highest Temperatures: All-Time By Year

All-Time Recorded Low

The lowest temperature ever recorded in Mainz, Germany was -20.7 °C which occurred on February 2, 1956.

Lowest Temperatures: All-Time By Year

Mainz Weather by Month

Averages based on the years 1991–2020

Month	Average (°C)		Record (°C)		Average (cm)
Month	High ☀️	Low 🌙	High ☀️	Low 🌙	Precipitation 💧
January	4.7	0.0	15.4	-16.8	4.1
February	6.4	0.2	18.3	-20.7	4.0
March	11.3	3.1	26.0	-13.0	4.1
April	16.4	6.3	30.3	-4.5	3.8
May	20.4	10.1	34.0	-1.5	5.5
June	23.8	13.3	38.1	2.3	5.3
July	26.0	15.3	39.1	5.4	6.1
August	25.7	14.9	38.9	4.5	5.1
September	20.7	11.2	33.3	0.2	4.6
October	14.5	7.3	27.0	-5.4	5.1
November	8.6	3.6	22.0	-8.3	4.7
December	5.3	0.9	16.3	-16.5	5.5
Entire year	15.3	7.2	39.1	-20.7	58.0

More Mainz Weather Records 1891–2023
Highest daily low	25.0 °C	July 26, 2019
Lowest daily high	-13.5 °C	February 1, 1956
Greatest daily range (Difference of high and low)	25.1 °C	June 18, 1959
Greatest difference in daily high over two conscutive days	19.2 °C	Dec 31, 1978 – Jan 1, 1979
Most daily precipitation	8.2 cm	May 23, 1978
Most monthly precipitation	21.4 cm	May 1978
Most yearly precipitation	95.8 cm	1981
Most yearly days with precipitation	217	1965
Earliest freeze	October 5	1957
Earliest day ≥ 25 °C	March 28	1989
Earliest day ≥ 30 °C	April 18	1949
Earliest day ≥ 35 °C	June 18	2002
Latest freeze	May 11	1953
Latest day ≥ 25 °C	October 16	2018
Latest day ≥ 30 °C	September 20	2003
Latest day ≥ 35 °C	August 28	1964
Most days in a year < 0 °C	99	1955
Most days in a year ≥ 20 °C	162	2018
Most days in a year ≥ 25 °C	98	2003
Most days in a year ≥ 30 °C	34	2003
Most days in a year ≥ 35 °C	14	2003

Mainz Weather Streaks Most consecutive days...
With precipitation	31 days	Dec 7, 1993 – Jan 6, 1994
Without precipitation	38 days	Jan 24 – Mar 2, 1959
Freezing temperatures High temperature ≤ 0 °C	20 days	Dec 22, 1996 – Jan 10, 1997
High temperature ≥ 20 °C	95 days	May 27 – Aug 29, 2003
High temperature ≥ 25 °C	51 days	Jul 7 – Aug 26, 2003
High temperature ≥ 30 °C	16 days	Jun 24 – Jul 9, 1976
High temperature ≥ 35 °C	12 days	Aug 2–13, 2003

Plant Hardiness Zone

Mainz is in plant hardiness zone 8A

based on average yearly minimum temperature from 1991–2020

Mainz Weather by Year

More Mainz Weather

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Weather Station Details

Years	Station	Coordinates
1891–2023	Mainz-Lerchenberg	location