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Built 2026-10-19 (19 October 2026)

Atlanta Threshold Days by Year (USW00053819)

14 fixed thresholds counted per year at Atlanta (USW00053819): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Atlanta Thresholds

  • Atlanta: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2019 with 140.
  • Atlanta: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 2019 with 106.
  • Atlanta: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 2002 with 83.
  • Atlanta: nights with a minimum temperature at or above 20 C (68 F) in 30 years, most in 2018 with 106.
  • 14 fixed thresholds have at least one qualifying day at Atlanta.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Atlanta Days per year at Atlanta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 140 in 2019. 0501001501997: 721998: 1091999: 772000: 972001: 772002: 992003: 682004: 722005: 922006: 912007: 1042008: 972009: 812010: 1292011: 1172012: 912013: 802014: 1132015: 1022016: 1302017: 1002018: 1332019: 1402020: 1022021: 902022: 1102023: 862024: 1162025: 902026: 1051997200020032006200920122015201820212024
Days per year at Atlanta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 140 in 2019.
Days at or above 30 C (86 F) per year at Atlanta
YearDaysDecade average
19977286
199810986
19997786
20009787.8
20017787.8
20029987.8
20036887.8
20047287.8
20059287.8
20069187.8
200710487.8
20089787.8
20098187.8
2010129113.5
2011117113.5
201291113.5
201380113.5
2014113113.5
2015102113.5
2016130113.5
2017100113.5
2018133113.5
2019140113.5
202010299.9
20219099.9
202211099.9
20238699.9
202411699.9
20259099.9
202610599.9
First to last qualifying date each year at Atlanta For each year, a bar from the first to the last day at Atlanta meeting 30 C (86 F). 1997: 18 May 1997 to 30 September 19971998: 13 May 1998 to 4 October 19981999: 3 April 1999 to 15 September 19992000: 7 May 2000 to 20 September 20002001: 10 April 2001 to 23 September 20012002: 18 April 2002 to 6 October 20022003: 9 May 2003 to 20 September 20032004: 24 April 2004 to 23 September 20042005: 12 May 2005 to 4 October 20052006: 14 April 2006 to 5 October 20062007: 25 March 2007 to 28 September 20072008: 24 May 2008 to 30 September 20082009: 24 April 2009 to 9 October 20092010: 2 April 2010 to 11 October 20102011: 9 April 2011 to 26 September 20112012: 3 April 2012 to 27 September 20122013: 15 May 2013 to 5 October 20132014: 4 May 2014 to 13 October 20142015: 8 April 2015 to 20 September 20152016: 29 April 2016 to 31 October 20162017: 21 March 2017 to 13 October 20172018: 9 May 2018 to 8 October 20182019: 29 April 2019 to 5 October 20192020: 27 March 2020 to 14 September 20202021: 13 April 2021 to 15 October 20212022: 25 April 2022 to 22 September 20222023: 5 April 2023 to 30 September 20232024: 14 April 2024 to 7 October 20242025: 4 April 2025 to 8 October 20252026: 17 April 2026 to 14 October 202619972001200520092013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Atlanta meeting 30 C (86 F).
First to last qualifying date each year at Atlanta
YearFirst dateLast date
19971997-05-181997-09-30
19981998-05-131998-10-04
19991999-04-031999-09-15
20002000-05-072000-09-20
20012001-04-102001-09-23
20022002-04-182002-10-06
20032003-05-092003-09-20
20042004-04-242004-09-23
20052005-05-122005-10-04
20062006-04-142006-10-05
20072007-03-252007-09-28
20082008-05-242008-09-30
20092009-04-242009-10-09
20102010-04-022010-10-11
20112011-04-092011-09-26
20122012-04-032012-09-27
20132013-05-152013-10-05
20142014-05-042014-10-13
20152015-04-082015-09-20
20162016-04-292016-10-31
20172017-03-212017-10-13
20182018-05-092018-10-08
20192019-04-292019-10-05
20202020-03-272020-09-14
20212021-04-132021-10-15
20222022-04-252022-09-22
20232023-04-052023-09-30
20242024-04-142024-10-07
20252025-04-042025-10-08
20262026-04-172026-10-14

Every Fixed Threshold

Fixed thresholds at Atlanta
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days301402019105
35 C (95 F): Days264420199
40 C (104 F): Days2220122
90 F (32.2 C): Days30106201964
100 F (37.8 C): Days9520073
0 C (32 F): Ice days (max13320142
0 C (32 F): Frost days (min3083200230
-10 C (14 F): Days with min16720141
20 C (68 F): Tropical nights (min301062018102
25 C (77 F): Days with min2220242
10 mm (0.39 in): Days with 10 mm or more rain2854201531
25 mm (0.98 in): Days with 25 mm or more rain282120155
50 mm (1.97 in): Days with 50 mm or more rain25720182
100 mm (3.94 in): Days with 100 mm or more rain7220191

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Atlanta 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).