Mainz-Lerchenberg (Zdf) Threshold Days by Year (GME00125662)

13 fixed thresholds counted per year at Mainz-Lerchenberg (Zdf) (GME00125662): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mainz-Lerchenberg (Zdf) Thresholds

Mainz-Lerchenberg (Zdf): days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 2002 with 28.
Mainz-Lerchenberg (Zdf): nights with a minimum temperature at or below 0 C (32 F) in 77 years, most in 1955 with 103.
Mainz-Lerchenberg (Zdf): days with a maximum temperature at or below 0 C (32 F) in 76 years, most in 1963 with 49.
Mainz-Lerchenberg (Zdf): days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 2003 with 34.
13 fixed thresholds have at least one qualifying day at Mainz-Lerchenberg (Zdf).

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Mainz-Lerchenberg (Zdf) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 2003.

Days at or above 30 C (86 F) per year at Mainz-Lerchenberg (Zdf)
Year	Days	Decade average
1948	14	15
1949	16	15
1950	10	8.8
1951	6	8.8
1952	16	8.8
1953	11	8.8
1954	6	8.8
1955	2	8.8
1956	1	8.8
1957	8	8.8
1959	19	8.8
1960	2	7.7
1961	12	7.7
1962	8	7.7
1963	6	7.7
1964	21	7.7
1965	2	7.7
1966	5	7.7
1967	11	7.7
1968	2	7.7
1969	8	7.7
1970	4	9.1
1971	11	9.1
1972	8	9.1
1973	17	9.1
1974	5	9.1
1975	12	9.1
1976	25	9.1
1977	2	9.1
1978	3	9.1
1979	4	9.1
1980	3	8.7
1981	8	8.7
1982	17	8.7
1983	19	8.7
1984	7	8.7
1985	3	8.7
1986	9	8.7
1987	3	8.7
1988	7	8.7
1989	11	8.7
1990	13	16.8
1991	20	16.8
1992	16	16.8
1993	13	16.8
1994	24	16.8
1995	23	16.8
1996	8	16.8
1997	17	16.8
1998	18	16.8
1999	16	16.8
2000	9	17.8
2001	19	17.8
2002	9	17.8
2003	34	17.8
2004	15	17.8
2005	27	17.8
2006	29	17.8
2007	12	17.8
2009	6	17.8
2010	12	14.3
2011	3	14.3
2012	9	14.3
2013	11	14.3
2014	7	14.3
2015	24	14.3
2016	13	14.3
2017	14	14.3
2018	31	14.3
2019	19	14.3
2020	19	22.2
2021	6	22.2
2022	30	22.2
2025	17	22.2
2026	39	22.2

For each year, a bar from the first to the last day at Mainz-Lerchenberg (Zdf) meeting 30 C (86 F).

First to last qualifying date each year at Mainz-Lerchenberg (Zdf)
Year	First date	Last date
1948	1948-06-08	1948-08-01
1949	1949-04-18	1949-09-06
1950	1950-06-06	1950-08-23
1951	1951-07-11	1951-08-30
1952	1952-06-29	1952-08-13
1953	1953-05-18	1953-09-02
1954	1954-06-20	1954-08-06
1955	1955-07-17	1955-07-18
1956	1956-07-09	1956-07-09
1957	1957-06-29	1957-07-07
1959	1959-06-18	1959-08-26
1960	1960-06-23	1960-06-24
1961	1961-06-25	1961-09-03
1962	1962-06-15	1962-08-13
1963	1963-07-22	1963-08-06
1964	1964-06-12	1964-08-28
1965	1965-06-30	1965-07-13
1966	1966-06-10	1966-08-13
1967	1967-06-23	1967-08-02
1968	1968-07-01	1968-07-02
1969	1969-07-16	1969-08-02
1970	1970-06-21	1970-08-06
1971	1971-07-08	1971-08-19
1972	1972-07-09	1972-08-14
1973	1973-06-27	1973-09-09
1974	1974-07-31	1974-08-17
1975	1975-07-08	1975-08-10
1976	1976-05-09	1976-08-26
1977	1977-06-13	1977-07-12
1978	1978-07-29	1978-08-21
1979	1979-05-30	1979-07-28
1980	1980-06-14	1980-08-03
1981	1981-06-02	1981-08-07
1982	1982-06-01	1982-08-12
1983	1983-07-09	1983-08-27
1984	1984-07-09	1984-08-23
1985	1985-07-14	1985-08-14
1986	1986-06-16	1986-08-03
1987	1987-06-29	1987-08-22
1988	1988-07-23	1988-08-15
1989	1989-06-20	1989-08-22
1990	1990-06-26	1990-08-28
1991	1991-07-02	1991-08-22
1992	1992-06-30	1992-08-28
1993	1993-05-26	1993-08-22
1994	1994-06-25	1994-08-06
1995	1995-06-29	1995-08-22
1996	1996-05-31	1996-08-20
1997	1997-06-10	1997-09-01
1998	1998-05-11	1998-08-17
1999	1999-05-29	1999-09-14
2000	2000-06-03	2000-08-14
2001	2001-06-25	2001-08-26
2002	2002-06-17	2002-08-20
2003	2003-05-05	2003-09-20
2004	2004-06-08	2004-08-12
2005	2005-05-26	2005-09-08
2006	2006-06-12	2006-07-30
2007	2007-05-21	2007-08-06
2009	2009-07-02	2009-09-01
2010	2010-06-29	2010-08-22
2011	2011-06-27	2011-08-23
2012	2012-07-25	2012-09-10
2013	2013-06-17	2013-08-05
2014	2014-06-07	2014-07-19
2015	2015-06-05	2015-08-31
2016	2016-06-23	2016-09-14
2017	2017-05-28	2017-07-19
2018	2018-05-28	2018-09-18
2019	2019-06-19	2019-08-31
2020	2020-06-26	2020-09-16
2021	2021-06-16	2021-08-14
2022	2022-05-19	2022-09-06
2025	2025-06-13	2025-08-15
2026	2026-05-26	2026-08-27

Every Fixed Threshold

Fixed thresholds at Mainz-Lerchenberg (Zdf)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	34	2003	39
35 C (95 F): Days	29	14	2003	12
90 F (32.2 C): Days	63	20	2003	24
100 F (37.8 C): Days	6	3	2003	2
0 C (32 F): Ice days (max	76	49	1963	7
0 C (32 F): Frost days (min	77	103	1955	26
-10 C (14 F): Days with min	44	34	1963	2
-20 C (-4 F): Days with min	1	1	1956	1
20 C (68 F): Tropical nights (min	41	9	2003	16
25 C (77 F): Days with min	2	1	2019	1
10 mm (0.39 in): Days with 10 mm or more rain	90	28	2002	7
25 mm (0.98 in): Days with 25 mm or more rain	59	6	1981	2
50 mm (1.97 in): Days with 50 mm or more rain	3	2	1981	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for Mainz-Lerchenberg (Zdf) threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).

Mainz-Lerchenberg (Zdf) Threshold Days by Year (GME00125662)

Key Facts for Mainz-Lerchenberg (Zdf) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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