Cairo Threshold Days by Year

18 fixed thresholds counted per year at Cairo (USC00301093): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cairo Thresholds

Cairo: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1947 with 38.
Cairo: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1951 with 16.
Cairo: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1949 with 73.
Cairo: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 1949 with 45.
18 fixed thresholds have at least one qualifying day at Cairo.

Days at or above 30 C (86 F)

36 years with a qualifying day

Days per year at Cairo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1949.

Days at or above 30 C (86 F) per year at Cairo
Year	Days	Decade average
1926	24	29.8
1927	16	29.8
1928	33	29.8
1929	46	29.8
1930	43	50.8
1931	42	50.8
1932	50	50.8
1933	59	50.8
1934	52	50.8
1935	44	50.8
1936	48	50.8
1937	54	50.8
1938	46	50.8
1939	70	50.8
1940	43	46.8
1941	63	46.8
1942	31	46.8
1943	56	46.8
1944	55	46.8
1946	23	46.8
1947	30	46.8
1948	47	46.8
1949	73	46.8
1950	40	46.6
1951	46	46.6
1952	55	46.6
1953	46	46.6
1954	39	46.6
1955	59	46.6
1956	42	46.6
1957	52	46.6
1958	28	46.6
1959	59	46.6
1960	25	39.7
1961	51	39.7
1962	43	39.7

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

First to last qualifying date each year at Cairo
Year	First date	Last date
1926	1926-06-29	1926-09-03
1927	1927-06-10	1927-10-02
1928	1928-04-05	1928-10-12
1929	1929-04-07	1929-09-10
1930	1930-05-02	1930-09-26
1931	1931-05-28	1931-10-05
1932	1932-05-16	1932-09-22
1933	1933-05-20	1933-09-06
1934	1934-05-05	1934-09-27
1935	1935-04-27	1935-08-27
1936	1936-05-08	1936-09-11
1937	1937-05-30	1937-09-04
1938	1938-04-28	1938-09-04
1939	1939-05-07	1939-10-11
1940	1940-06-03	1940-09-21
1941	1941-04-15	1941-10-05
1942	1942-05-03	1942-09-18
1943	1943-06-02	1943-09-07
1944	1944-05-04	1944-09-03
1946	1946-05-25	1946-09-20
1947	1947-05-24	1947-09-12
1948	1948-06-02	1948-09-29
1949	1949-05-04	1949-10-12
1950	1950-05-06	1950-10-01
1951	1951-05-15	1951-10-05
1952	1952-06-08	1952-09-13
1953	1953-05-10	1953-09-05
1954	1954-04-20	1954-10-12
1955	1955-05-04	1955-09-05
1956	1956-05-22	1956-09-13
1957	1957-04-27	1957-09-22
1958	1958-06-01	1958-09-15
1959	1959-05-07	1959-09-24
1960	1960-06-26	1960-09-09
1961	1961-05-14	1961-09-24
1962	1962-04-27	1962-09-13

Every Fixed Threshold

Fixed thresholds at Cairo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	36	73	1949	43
35 C (95 F): Days	34	21	1949	4
40 C (104 F): Days	3	2	1933	1
90 F (32.2 C): Days	36	45	1949	14
100 F (37.8 C): Days	14	8	1949	1
0 C (32 F): Ice days (max	36	59	1948	46
0 C (32 F): Frost days (min	36	174	1947	152
-10 C (14 F): Days with min	36	59	1934	58
-20 C (-4 F): Days with min	31	21	1948	7
-30 C (-22 F): Days with min	5	2	1957	2
20 C (68 F): Tropical nights (min	36	23	1939	2
25 C (77 F): Days with min	4	2	1941	2
10 mm (0.39 in): Days with 10 mm or more rain	37	38	1947	25
25 mm (0.98 in): Days with 25 mm or more rain	37	16	1951	10
50 mm (1.97 in): Days with 50 mm or more rain	34	6	1952	2
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1952	2
10 cm (3.9 in): Days with 10 cm or more snowfall	29	8	1956	5
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	1926	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

Data for Cairo 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).

Cairo Threshold Days by Year

Key Facts for Cairo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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