East London Threshold Days by Year (SF000068858)

13 fixed thresholds counted per year at East London (SF000068858): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for East London Thresholds

East London: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 2005 with 86.
East London: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 2012 with 41.
East London: days with 50 mm (1.97 in) or more of precipitation in 55 years, most in 2005 with 15.
East London: nights with a minimum temperature at or above 20 C (68 F) in 51 years, most in 1999 with 41.
13 fixed thresholds have at least one qualifying day at East London.

Days at or above 30 C (86 F)

50 years with a qualifying day

Days per year at East London with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 1998.

Days at or above 30 C (86 F) per year at East London
Year	Days	Decade average
1941	7	11
1942	10	11
1943	8	11
1944	14	11
1945	18	11
1946	9	11
1947	7	11
1948	13	11
1949	13	11
1959	13	13
1960	12	14.4
1961	10	14.4
1962	15	14.4
1963	15	14.4
1964	10	14.4
1965	25	14.4
1966	15	14.4
1967	17	14.4
1968	11	14.4
1970	20	11.2
1971	9	11.2
1972	12	11.2
1973	11	11.2
1974	11	11.2
1976	6	11.2
1977	7	11.2
1978	14	11.2
1979	11	11.2
1980	14	15.6
1981	14	15.6
1983	20	15.6
1984	13	15.6
1985	23	15.6
1986	16	15.6
1987	14	15.6
1988	12	15.6
1989	14	15.6
1990	15	20.5
1991	20	20.5
1992	22	20.5
1993	21	20.5
1994	16	20.5
1995	18	20.5
1996	17	20.5
1997	14	20.5
1998	31	20.5
1999	31	20.5
2000	15	13
2001	11	13
2018	1	1

For each year, a bar from the first to the last day at East London meeting 30 C (86 F).

First to last qualifying date each year at East London
Year	First date	Last date
1941	1941-01-08	1941-09-02
1942	1942-04-02	1942-12-21
1943	1943-01-13	1943-10-31
1944	1944-01-08	1944-10-01
1945	1945-01-30	1945-11-15
1946	1946-02-05	1946-09-21
1947	1947-01-07	1947-12-22
1948	1948-01-08	1948-11-16
1949	1949-01-07	1949-12-30
1959	1959-01-24	1959-12-21
1960	1960-02-06	1960-11-04
1961	1961-01-03	1961-08-31
1962	1962-02-11	1962-12-27
1963	1963-01-03	1963-12-20
1964	1964-01-23	1964-12-26
1965	1965-01-29	1965-12-12
1966	1966-01-21	1966-12-30
1967	1967-01-20	1967-11-23
1968	1968-01-11	1968-12-23
1970	1970-01-01	1970-08-19
1971	1971-01-10	1971-08-14
1972	1972-01-05	1972-12-07
1973	1973-02-17	1973-12-08
1974	1974-02-12	1974-12-17
1976	1976-01-03	1976-12-30
1977	1977-01-14	1977-12-25
1978	1978-01-25	1978-11-11
1979	1979-01-15	1979-10-17
1980	1980-02-26	1980-12-26
1981	1981-03-01	1981-12-12
1983	1983-01-16	1983-12-16
1984	1984-01-27	1984-12-01
1985	1985-01-02	1985-11-17
1986	1986-01-20	1986-11-17
1987	1987-01-27	1987-12-22
1988	1988-01-15	1988-11-02
1989	1989-01-05	1989-12-23
1990	1990-01-05	1990-12-04
1991	1991-01-15	1991-12-06
1992	1992-01-05	1992-11-29
1993	1993-01-05	1993-12-24
1994	1994-01-07	1994-12-08
1995	1995-01-05	1995-12-14
1996	1996-01-04	1996-12-27
1997	1997-01-06	1997-12-24
1998	1998-01-04	1998-12-24
1999	1999-01-09	1999-12-23
2000	2000-01-05	2000-09-12
2001	2001-01-12	2001-06-14
2018	2018-10-06	2018-10-06

Every Fixed Threshold

Fixed thresholds at East London
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	50	31	1998	1
35 C (95 F): Days	33	4	1965	2
40 C (104 F): Days	4	1	1963	1
90 F (32.2 C): Days	48	12	1945	1
100 F (37.8 C): Days	12	2	1968	1
0 C (32 F): Frost days (min	9	7	2008	1
20 C (68 F): Tropical nights (min	51	41	1999	1
25 C (77 F): Days with min	1	1	1991	1
10 mm (0.39 in): Days with 10 mm or more rain	58	86	2005	51
25 mm (0.98 in): Days with 25 mm or more rain	58	41	2012	20
50 mm (1.97 in): Days with 50 mm or more rain	55	15	2005	8
100 mm (3.94 in): Days with 100 mm or more rain	22	3	1970	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

Data for East London 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

East London Threshold Days by Year (SF000068858)

Key Facts for East London Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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