Athens Threshold Days by Year (USC00090430)

16 fixed thresholds counted per year at Athens (USC00090430): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Athens Thresholds

Athens: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1967 with 57.
Athens: days with 25 mm (0.98 in) or more of precipitation in 83 years, most in 1948 with 25.
Athens: days with 50 mm (1.97 in) or more of precipitation in 77 years, most in 1929 with 12.
Athens: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 1925 with 142.
16 fixed thresholds have at least one qualifying day at Athens.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Athens with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 1925.

Days at or above 30 C (86 F) per year at Athens
Year	Days	Decade average
1885	75	69.4
1886	57	69.4
1887	76	69.4
1888	97	69.4
1889	42	69.4
1890	57	57
1891	59	57
1892	55	57
1903	69	63.7
1904	54	63.7
1905	74	63.7
1906	37	63.7
1907	66	63.7
1908	78	63.7
1909	68	63.7
1910	77	106.4
1911	129	106.4
1912	96	106.4
1913	99	106.4
1914	112	106.4
1915	117	106.4
1916	96	106.4
1917	104	106.4
1918	111	106.4
1919	123	106.4
1920	105	112.7
1921	109	112.7
1922	107	112.7
1923	114	112.7
1924	98	112.7
1925	142	112.7
1926	125	112.7
1927	124	112.7
1928	98	112.7
1929	105	112.7
1930	114	106.6
1931	135	106.6
1932	109	106.6
1933	132	106.6
1934	98	106.6
1935	87	106.6
1936	80	106.6
1937	108	106.6
1938	104	106.6
1939	99	106.6
1940	85	84
1941	120	84
1942	86	84
1943	100	84
1944	81	84
1945	91	84
1946	69	84
1947	79	84
1948	70	84
1949	59	84
1950	60	79.2
1951	86	79.2
1952	79	79.2
1954	100	79.2
1955	82	79.2
1956	89	79.2
1957	72	79.2
1958	80	79.2
1959	65	79.2
1960	86	65.2
1961	59	65.2
1962	85	65.2
1963	72	65.2
1964	59	65.2
1965	71	65.2
1966	54	65.2
1967	37	65.2
1968	58	65.2
1969	71	65.2
1970	87	87

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

First to last qualifying date each year at Athens
Year	First date	Last date
1885	1885-05-26	1885-09-16
1886	1886-05-12	1886-09-27
1887	1887-04-12	1887-10-10
1888	1888-04-05	1888-09-21
1889	1889-04-11	1889-09-16
1890	1890-05-25	1890-09-11
1891	1891-05-11	1891-09-23
1892	1892-05-04	1892-08-31
1903	1903-05-20	1903-09-10
1904	1904-05-23	1904-09-30
1905	1905-04-28	1905-09-23
1906	1906-05-18	1906-09-11
1907	1907-03-20	1907-09-10
1908	1908-04-10	1908-09-12
1909	1909-05-18	1909-09-11
1910	1910-04-03	1910-10-21
1911	1911-04-30	1911-10-07
1912	1912-05-08	1912-10-10
1913	1913-05-03	1913-10-11
1914	1914-04-27	1914-09-23
1915	1915-04-19	1915-10-03
1916	1916-04-13	1916-10-16
1917	1917-04-17	1917-09-09
1918	1918-05-04	1918-10-07
1919	1919-04-08	1919-10-29
1920	1920-05-02	1920-10-17
1921	1921-03-18	1921-10-23
1922	1922-04-14	1922-10-05
1923	1923-04-23	1923-10-13
1924	1924-04-25	1924-09-23
1925	1925-04-15	1925-10-09
1926	1926-04-30	1926-10-19
1927	1927-04-17	1927-10-28
1928	1928-05-03	1928-10-17
1929	1929-03-24	1929-09-14
1930	1930-04-11	1930-09-30
1931	1931-05-16	1931-10-25
1932	1932-04-06	1932-09-23
1933	1933-05-06	1933-10-13
1934	1934-04-03	1934-09-29
1935	1935-03-22	1935-09-22
1936	1936-04-15	1936-09-23
1937	1937-04-18	1937-10-07
1938	1938-04-29	1938-10-20
1939	1939-05-11	1939-10-24
1940	1940-04-02	1940-10-26
1941	1941-04-14	1941-10-23
1942	1942-04-05	1942-09-20
1943	1943-04-08	1943-09-16
1944	1944-05-13	1944-09-29
1945	1945-03-17	1945-09-22
1946	1946-04-03	1946-09-11
1947	1947-04-25	1947-09-22
1948	1948-04-25	1948-09-23
1949	1949-05-05	1949-09-19
1950	1950-04-27	1950-09-14
1951	1951-05-01	1951-10-07
1952	1952-04-22	1952-10-02
1954	1954-04-15	1954-10-06
1955	1955-04-16	1955-09-30
1956	1956-04-30	1956-09-18
1957	1957-04-21	1957-09-22
1958	1958-04-19	1958-11-16
1959	1959-05-02	1959-10-05
1960	1960-04-23	1960-09-20
1961	1961-06-01	1961-11-01
1962	1962-04-30	1962-09-15
1963	1963-04-21	1963-10-21
1964	1964-04-19	1964-09-23
1965	1965-04-09	1965-09-21
1966	1966-05-09	1966-09-06
1967	1967-04-03	1967-08-26
1968	1968-04-19	1968-08-26
1969	1969-05-23	1969-09-18
1970	1970-04-22	1970-09-26

Every Fixed Threshold

Fixed thresholds at Athens
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	142	1925	87
35 C (95 F): Days	67	92	1925	5
40 C (104 F): Days	9	9	1925	2
90 F (32.2 C): Days	75	117	1925	37
100 F (37.8 C): Days	24	38	1925	5
0 C (32 F): Ice days (max	38	9	1886	2
0 C (32 F): Frost days (min	75	82	1968	59
-10 C (14 F): Days with min	39	8	1917	4
20 C (68 F): Tropical nights (min	75	100	1906	83
25 C (77 F): Days with min	15	3	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	83	57	1967	26
25 mm (0.98 in): Days with 25 mm or more rain	83	25	1948	10
50 mm (1.97 in): Days with 50 mm or more rain	77	12	1929	3
100 mm (3.94 in): Days with 100 mm or more rain	20	2	1886	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1963	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	2	1940	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.

Download the Data

Data for Athens 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).

Athens Threshold Days by Year (USC00090430)

Key Facts for Athens Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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