Athens Threshold Days by Year

15 fixed thresholds counted per year at Athens (USC00460355): 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 53 years, most in 1979 with 47.
Athens: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1979 with 14.
Athens: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1969 with 149.
Athens: nights with a minimum temperature at or below -10 C (14 F) in 47 years, most in 1977 with 41.
15 fixed thresholds have at least one qualifying day at Athens.

Days at or above 30 C (86 F)

44 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 47 in 1952.

Days at or above 30 C (86 F) per year at Athens
Year	Days	Decade average
1946	8	10.5
1948	13	10.5
1951	17	21.6
1952	47	21.6
1953	41	21.6
1954	26	21.6
1955	17	21.6
1956	9	21.6
1957	14	21.6
1958	6	21.6
1959	17	21.6
1961	2	8.9
1962	4	8.9
1963	3	8.9
1964	7	8.9
1966	5	8.9
1967	6	8.9
1968	23	8.9
1969	21	8.9
1970	27	11.1
1971	8	11.1
1972	11	11.1
1973	12	11.1
1974	2	11.1
1975	9	11.1
1976	6	11.1
1977	17	11.1
1978	15	11.1
1979	4	11.1
1980	25	17.6
1981	5	17.6
1982	4	17.6
1983	29	17.6
1984	6	17.6
1985	5	17.6
1986	21	17.6
1987	33	17.6
1988	36	17.6
1989	12	17.6
1990	11	13.5
1992	5	13.5
1994	9	13.5
1998	29	13.5
2002	18	18

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
1946	1946-07-11	1946-09-09
1948	1948-06-21	1948-08-30
1951	1951-06-02	1951-09-02
1952	1952-05-06	1952-10-01
1953	1953-05-15	1953-10-17
1954	1954-06-01	1954-09-08
1955	1955-05-28	1955-08-30
1956	1956-06-16	1956-08-18
1957	1957-06-13	1957-09-01
1958	1958-07-28	1958-09-04
1959	1959-06-28	1959-08-26
1961	1961-07-22	1961-09-04
1962	1962-05-19	1962-08-21
1963	1963-07-28	1963-08-05
1964	1964-06-20	1964-09-11
1966	1966-06-25	1966-06-29
1967	1967-04-14	1967-08-29
1968	1968-06-23	1968-09-24
1969	1969-05-30	1969-08-01
1970	1970-05-24	1970-10-06
1971	1971-06-06	1971-09-15
1972	1972-06-15	1972-08-25
1973	1973-07-08	1973-09-03
1974	1974-07-01	1974-08-13
1975	1975-08-01	1975-09-05
1976	1976-07-11	1976-08-23
1977	1977-07-06	1977-09-20
1978	1978-06-25	1978-09-22
1979	1979-06-28	1979-08-10
1980	1980-06-28	1980-08-14
1981	1981-06-16	1981-08-05
1982	1982-07-17	1982-07-28
1983	1983-06-27	1983-09-11
1984	1984-06-07	1984-09-02
1985	1985-06-11	1985-08-15
1986	1986-06-22	1986-08-17
1987	1987-06-30	1987-08-27
1988	1988-06-15	1988-08-27
1989	1989-05-26	1989-09-10
1990	1990-05-01	1990-09-07
1992	1992-07-17	1992-09-17
1994	1994-06-15	1994-08-25
1998	1998-05-16	1998-09-29
2002	2002-06-05	2002-09-12

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	44	47	1952	18
35 C (95 F): Days	2	5	1988	5
90 F (32.2 C): Days	19	18	1988	4
0 C (32 F): Ice days (max	46	36	1958	18
0 C (32 F): Frost days (min	47	149	1969	136
-10 C (14 F): Days with min	47	41	1977	20
-20 C (-4 F): Days with min	26	5	1982	2
-30 C (-22 F): Days with min	2	1	1985	1
20 C (68 F): Tropical nights (min	29	5	1963	1
10 mm (0.39 in): Days with 10 mm or more rain	53	47	1979	37
25 mm (0.98 in): Days with 25 mm or more rain	53	14	1979	11
50 mm (1.97 in): Days with 50 mm or more rain	26	3	1985	1
10 cm (3.9 in): Days with 10 cm or more snowfall	36	4	1961	2
25 cm (9.8 in): Days with 25 cm or more snowfall	8	1	1963	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1998	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

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 2026-10-16 (16 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

Key Facts for Athens Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related