Built 2026-10-19 (19 October 2026)

Athens Threshold Days by Year (USC00400284)

18 fixed thresholds counted per year at Athens (USC00400284): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Athens Thresholds

  • Athens: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1976 with 122.
  • Athens: days with a maximum temperature at or above 30 C (86 F) in 62 years, most in 2019 with 123.
  • Athens: days with a maximum temperature at or above 90 F (32.2 C) in 62 years, most in 2016 with 82.
  • Athens: nights with a minimum temperature at or above 20 C (68 F) in 62 years, most in 2018 with 73.
  • 18 fixed thresholds have at least one qualifying day at Athens.
62 years with a qualifying day
Days at or above 30 C (86 F) per year at Athens 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 123 in 2019. 0501001501963: 601964: 791965: 651966: 601967: 321968: 701969: 791970: 991971: 871972: 691974: 621975: 891976: 551977: 981978: 921980: 1081981: 741982: 711983: 841984: 751985: 751986: 1041987: 901988: 801989: 401990: 721991: 721992: 281993: 791994: 401995: 711996: 611997: 571998: 1101999: 842000: 832001: 602002: 962003: 502004: 562005: 652006: 742007: 1102008: 832009: 282010: 1162011: 952012: 792013: 652014: 772015: 792016: 1212017: 842018: 1052019: 1232020: 852021: 722022: 842023: 602024: 742025: 652026: 87196319701978198619932000200720142021
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 123 in 2019.
Days at or above 30 C (86 F) per year at Athens
YearDaysDecade average
19636063.6
19647963.6
19656563.6
19666063.6
19673263.6
19687063.6
19697963.6
19709981.4
19718781.4
19726981.4
19746281.4
19758981.4
19765581.4
19779881.4
19789281.4
198010880.1
19817480.1
19827180.1
19838480.1
19847580.1
19857580.1
198610480.1
19879080.1
19888080.1
19894080.1
19907267.4
19917267.4
19922867.4
19937967.4
19944067.4
19957167.4
19966167.4
19975767.4
199811067.4
19998467.4
20008370.5
20016070.5
20029670.5
20035070.5
20045670.5
20056570.5
20067470.5
200711070.5
20088370.5
20092870.5
201011694.4
20119594.4
20127994.4
20136594.4
20147794.4
20157994.4
201612194.4
20178494.4
201810594.4
201912394.4
20208575.3
20217275.3
20228475.3
20236075.3
20247475.3
20256575.3
20268775.3
First to last qualifying date each year at Athens For each year, a bar from the first to the last day at Athens meeting 30 C (86 F). 1963: 22 April 1963 to 22 September 19631964: 18 May 1964 to 21 September 19641965: 24 April 1965 to 23 September 19651966: 8 June 1966 to 4 September 19661967: 7 April 1967 to 21 September 19671968: 25 May 1968 to 24 September 19681969: 6 May 1969 to 19 September 19691970: 20 April 1970 to 27 September 19701971: 20 April 1971 to 5 October 19711972: 16 April 1972 to 26 September 19721974: 18 May 1974 to 13 September 19741975: 21 May 1975 to 11 September 19751976: 20 April 1976 to 10 September 19761977: 12 April 1977 to 19 September 19771978: 9 April 1978 to 22 September 19781980: 24 April 1980 to 25 September 19801981: 15 April 1981 to 2 October 19811982: 13 May 1982 to 6 October 19821983: 3 May 1983 to 20 September 19831984: 27 April 1984 to 26 September 19841985: 21 April 1985 to 12 September 19851986: 4 April 1986 to 5 October 19861987: 22 April 1987 to 16 September 19871988: 6 April 1988 to 29 September 19881989: 27 April 1989 to 15 September 19891990: 28 April 1990 to 21 September 19901991: 16 May 1991 to 19 September 19911992: 24 May 1992 to 11 September 19921993: 8 June 1993 to 15 September 19931994: 25 May 1994 to 17 September 19941995: 11 April 1995 to 11 September 19951996: 19 May 1996 to 7 September 19961997: 21 June 1997 to 21 September 19971998: 14 May 1998 to 6 October 19981999: 4 April 1999 to 27 September 19992000: 8 May 2000 to 21 September 20002001: 11 April 2001 to 10 September 20012002: 17 April 2002 to 17 September 20022003: 12 June 2003 to 21 September 20032004: 8 May 2004 to 25 September 20042005: 13 May 2005 to 6 October 20052006: 15 April 2006 to 2 September 20062007: 1 May 2007 to 9 October 20072008: 1 June 2008 to 15 September 20082009: 3 June 2009 to 27 August 20092010: 3 April 2010 to 12 October 20102011: 10 April 2011 to 15 September 20112012: 1 May 2012 to 8 September 20122013: 16 May 2013 to 6 October 20132014: 5 May 2014 to 3 October 20142015: 8 May 2015 to 9 September 20152016: 27 May 2016 to 2 November 20162017: 15 April 2017 to 12 October 20172018: 12 May 2018 to 9 October 20182019: 1 May 2019 to 6 October 20192020: 17 May 2020 to 16 September 20202021: 22 May 2021 to 15 September 20212022: 19 May 2022 to 23 September 20222023: 3 June 2023 to 27 September 20232024: 14 June 2024 to 25 September 20242025: 4 June 2025 to 22 September 20252026: 18 May 2026 to 15 October 202619631971198119891997200520132021JanFebMarAprMayJunJulAugSepOctNovDec
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
YearFirst dateLast date
19631963-04-221963-09-22
19641964-05-181964-09-21
19651965-04-241965-09-23
19661966-06-081966-09-04
19671967-04-071967-09-21
19681968-05-251968-09-24
19691969-05-061969-09-19
19701970-04-201970-09-27
19711971-04-201971-10-05
19721972-04-161972-09-26
19741974-05-181974-09-13
19751975-05-211975-09-11
19761976-04-201976-09-10
19771977-04-121977-09-19
19781978-04-091978-09-22
19801980-04-241980-09-25
19811981-04-151981-10-02
19821982-05-131982-10-06
19831983-05-031983-09-20
19841984-04-271984-09-26
19851985-04-211985-09-12
19861986-04-041986-10-05
19871987-04-221987-09-16
19881988-04-061988-09-29
19891989-04-271989-09-15
19901990-04-281990-09-21
19911991-05-161991-09-19
19921992-05-241992-09-11
19931993-06-081993-09-15
19941994-05-251994-09-17
19951995-04-111995-09-11
19961996-05-191996-09-07
19971997-06-211997-09-21
19981998-05-141998-10-06
19991999-04-041999-09-27
20002000-05-082000-09-21
20012001-04-112001-09-10
20022002-04-172002-09-17
20032003-06-122003-09-21
20042004-05-082004-09-25
20052005-05-132005-10-06
20062006-04-152006-09-02
20072007-05-012007-10-09
20082008-06-012008-09-15
20092009-06-032009-08-27
20102010-04-032010-10-12
20112011-04-102011-09-15
20122012-05-012012-09-08
20132013-05-162013-10-06
20142014-05-052014-10-03
20152015-05-082015-09-09
20162016-05-272016-11-02
20172017-04-152017-10-12
20182018-05-122018-10-09
20192019-05-012019-10-06
20202020-05-172020-09-16
20212021-05-222021-09-15
20222022-05-192022-09-23
20232023-06-032023-09-27
20242024-06-142024-09-25
20252025-06-042025-09-22
20262026-05-182026-10-15

Every Fixed Threshold

Fixed thresholds at Athens
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days62123201987
35 C (95 F): Days4731198011
40 C (104 F): Days2219802
90 F (32.2 C): Days6282201648
100 F (37.8 C): Days71319805
0 C (32 F): Ice days (max571820103
0 C (32 F): Frost days (min63122197648
-10 C (14 F): Days with min583619774
-20 C (-4 F): Days with min7319661
20 C (68 F): Tropical nights (min6273201862
25 C (77 F): Days with min1120171
10 mm (0.39 in): Days with 10 mm or more rain6272198922
25 mm (0.98 in): Days with 25 mm or more rain6230198911
50 mm (1.97 in): Days with 50 mm or more rain591120182
100 mm (3.94 in): Days with 100 mm or more rain12319941
200 mm (7.87 in): Days with 200 mm or more rain2120031
10 cm (3.9 in): Days with 10 cm or more snowfall10219871
25 cm (9.8 in): Days with 25 cm or more snowfall1119931

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

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 . Last revised (2026-10-17).