Karoi Threshold Days by Year (ZI000067765)

8 fixed thresholds counted per year at Karoi (ZI000067765): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Karoi Thresholds

Karoi: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1987 with 77.
Karoi: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1989 with 42.
Karoi: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1989 with 21.
Karoi: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 1968 with 18.
8 fixed thresholds have at least one qualifying day at Karoi.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Karoi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1987.

Days at or above 30 C (86 F) per year at Karoi
Year	Days	Decade average
1952	37	33
1953	20	33
1954	27	33
1955	33	33
1956	14	33
1957	52	33
1958	35	33
1959	46	33
1960	40	35.8
1961	31	35.8
1962	37	35.8
1967	39	35.8
1968	33	35.8
1969	35	35.8
1970	34	33.4
1971	16	33.4
1972	52	33.4
1973	29	33.4
1974	22	33.4
1975	29	33.4
1976	31	33.4
1977	42	33.4
1978	38	33.4
1979	41	33.4
1980	22	38.9
1981	44	38.9
1982	33	38.9
1983	71	38.9
1984	39	38.9
1985	13	38.9
1986	17	38.9
1987	77	38.9
1988	30	38.9
1989	43	38.9

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

First to last qualifying date each year at Karoi
Year	First date	Last date
1952	1952-04-05	1952-12-02
1953	1953-10-10	1953-11-19
1954	1954-09-22	1954-11-04
1955	1955-09-14	1955-11-20
1956	1956-09-17	1956-10-27
1957	1957-09-19	1957-12-06
1958	1958-09-01	1958-12-05
1959	1959-01-21	1959-12-05
1960	1960-01-13	1960-12-07
1961	1961-09-02	1961-11-24
1962	1962-08-27	1962-11-13
1967	1967-01-14	1967-12-19
1968	1968-01-05	1968-12-04
1969	1969-09-04	1969-11-28
1970	1970-01-12	1970-11-16
1971	1971-09-22	1971-11-07
1972	1972-09-02	1972-12-30
1973	1973-01-05	1973-11-27
1974	1974-10-01	1974-11-13
1975	1975-05-11	1975-11-25
1976	1976-09-02	1976-12-04
1977	1977-08-22	1977-11-23
1978	1978-09-01	1978-11-30
1979	1979-02-08	1979-11-21
1980	1980-09-07	1980-11-28
1981	1981-08-28	1981-12-26
1982	1982-03-23	1982-12-31
1983	1983-01-01	1983-12-16
1984	1984-01-25	1984-12-05
1985	1985-09-12	1985-12-10
1986	1986-09-17	1986-12-27
1987	1987-01-13	1987-12-24
1988	1988-01-16	1988-12-26
1989	1989-09-06	1989-12-22

Every Fixed Threshold

Fixed thresholds at Karoi
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	77	1987	43
35 C (95 F): Days	3	2	1954	1
90 F (32.2 C): Days	32	18	1968	11
20 C (68 F): Tropical nights (min	24	10	1957	1
10 mm (0.39 in): Days with 10 mm or more rain	34	42	1989	42
25 mm (0.98 in): Days with 25 mm or more rain	34	21	1989	21
50 mm (1.97 in): Days with 50 mm or more rain	22	5	1958	3
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1961	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for Karoi 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).

Karoi Threshold Days by Year (ZI000067765)

Key Facts for Karoi Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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