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Built 2026-10-19 (19 October 2026)

Athens Threshold Days by Year (USC00010390)

15 fixed thresholds counted per year at Athens (USC00010390): 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 55 years, most in 2001 with 59.
  • Athens: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1946 with 26.
  • Athens: days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 2011 with 11.
  • Athens: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2019 with 133.
  • 15 fixed thresholds have at least one qualifying day at Athens.
34 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 133 in 2019. 0501001501992: 161993: 661994: 221995: 911996: 701997: 661998: 1131999: 872000: 962001: 682002: 992003: 692004: 582005: 932006: 1102007: 1292008: 972010: 1242011: 1042012: 932013: 822014: 982015: 942016: 1252017: 1132018: 1232019: 1332020: 922021: 672022: 962023: 942024: 1012025: 962026: 100199219962000200420082013201720212025
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 133 in 2019.
Days at or above 30 C (86 F) per year at Athens
YearDaysDecade average
19921666.4
19936666.4
19942266.4
19959166.4
19967066.4
19976666.4
199811366.4
19998766.4
20009691
20016891
20029991
20036991
20045891
20059391
200611091
200712991
20089791
2010124108.9
2011104108.9
201293108.9
201382108.9
201498108.9
201594108.9
2016125108.9
2017113108.9
2018123108.9
2019133108.9
20209292.3
20216792.3
20229692.3
20239492.3
202410192.3
20259692.3
202610092.3
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). 1992: 17 June 1992 to 11 August 19921993: 31 May 1993 to 2 September 19931994: 5 June 1994 to 31 August 19941995: 11 April 1995 to 16 September 19951996: 28 April 1996 to 13 September 19961997: 18 May 1997 to 20 September 19971998: 13 May 1998 to 4 October 19981999: 29 May 1999 to 3 October 19992000: 11 May 2000 to 20 September 20002001: 10 April 2001 to 12 September 20012002: 18 April 2002 to 6 October 20022003: 9 May 2003 to 26 September 20032004: 8 May 2004 to 24 September 20042005: 11 May 2005 to 19 October 20052006: 15 April 2006 to 5 October 20062007: 29 March 2007 to 17 October 20072008: 23 May 2008 to 29 September 20082010: 5 April 2010 to 11 October 20102011: 9 April 2011 to 14 September 20112012: 30 April 2012 to 28 September 20122013: 10 April 2013 to 5 October 20132014: 4 May 2014 to 3 October 20142015: 7 May 2015 to 9 October 20152016: 15 March 2016 to 1 November 20162017: 13 April 2017 to 15 October 20172018: 10 May 2018 to 8 October 20182019: 8 May 2019 to 11 October 20192020: 27 March 2020 to 17 September 20202021: 22 May 2021 to 1 October 20212022: 3 May 2022 to 24 September 20222023: 4 April 2023 to 4 October 20232024: 2 May 2024 to 6 October 20242025: 4 April 2025 to 1 October 20252026: 22 March 2026 to 14 October 20261992199720022007201320182023JanFebMarAprMayJunJulAugSepOctNovDec
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
19921992-06-171992-08-11
19931993-05-311993-09-02
19941994-06-051994-08-31
19951995-04-111995-09-16
19961996-04-281996-09-13
19971997-05-181997-09-20
19981998-05-131998-10-04
19991999-05-291999-10-03
20002000-05-112000-09-20
20012001-04-102001-09-12
20022002-04-182002-10-06
20032003-05-092003-09-26
20042004-05-082004-09-24
20052005-05-112005-10-19
20062006-04-152006-10-05
20072007-03-292007-10-17
20082008-05-232008-09-29
20102010-04-052010-10-11
20112011-04-092011-09-14
20122012-04-302012-09-28
20132013-04-102013-10-05
20142014-05-042014-10-03
20152015-05-072015-10-09
20162016-03-152016-11-01
20172017-04-132017-10-15
20182018-05-102018-10-08
20192019-05-082019-10-11
20202020-03-272020-09-17
20212021-05-222021-10-01
20222022-05-032022-09-24
20232023-04-042023-10-04
20242024-05-022024-10-06
20252025-04-042025-10-01
20262026-03-222026-10-14

Every Fixed Threshold

Fixed thresholds at Athens
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days341332019100
35 C (95 F): Days2635201920
40 C (104 F): Days2220071
90 F (32.2 C): Days3396201968
100 F (37.8 C): Days91320072
0 C (32 F): Ice days (max261119962
0 C (32 F): Frost days (min3492199336
-10 C (14 F): Days with min251319962
20 C (68 F): Tropical nights (min341162018103
25 C (77 F): Days with min121120171
10 mm (0.39 in): Days with 10 mm or more rain5559200132
25 mm (0.98 in): Days with 25 mm or more rain5526194612
50 mm (1.97 in): Days with 50 mm or more rain531120111
100 mm (3.94 in): Days with 100 mm or more rain15219511
10 cm (3.9 in): Days with 10 cm or more snowfall2119931

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1992.

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).