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Data as of 2026-10-12
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Built 2026-10-19 (19 October 2026)

Atlanta Threshold Days by Year (USC00410408)

18 fixed thresholds counted per year at Atlanta (USC00410408): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Atlanta Thresholds

  • Atlanta: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1973 with 52.
  • Atlanta: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1979 with 28.
  • Atlanta: days with 50 mm (1.97 in) or more of precipitation in 72 years, most in 1979 with 12.
  • Atlanta: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 2022 with 74.
  • 18 fixed thresholds have at least one qualifying day at Atlanta.
24 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 155 in 2011. 0501001502001999: 1392003: 1142004: 1302005: 1442006: 1402007: 1302008: 1032009: 992010: 1482011: 1552012: 1472013: 1322014: 1282015: 1362016: 1272017: 1232018: 1432019: 1392021: 1242022: 1352023: 1422024: 1322025: 1382026: 14619992005200820112014201720212024
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 155 in 2011.
Days at or above 30 C (86 F) per year at Atlanta
YearDaysDecade average
1999139139
2003114122.9
2004130122.9
2005144122.9
2006140122.9
2007130122.9
2008103122.9
200999122.9
2010148137.8
2011155137.8
2012147137.8
2013132137.8
2014128137.8
2015136137.8
2016127137.8
2017123137.8
2018143137.8
2019139137.8
2021124136.2
2022135136.2
2023142136.2
2024132136.2
2025138136.2
2026146136.2
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). 1999: 9 April 1999 to 17 October 19992003: 14 April 2003 to 25 October 20032004: 21 March 2004 to 30 October 20042005: 31 March 2005 to 14 November 20052006: 13 March 2006 to 11 November 20062007: 3 April 2007 to 21 October 20072008: 15 March 2008 to 26 September 20082009: 23 April 2009 to 9 October 20092010: 30 April 2010 to 28 October 20102011: 24 March 2011 to 26 October 20112012: 1 April 2012 to 3 November 20122013: 10 April 2013 to 18 November 20132014: 27 April 2014 to 26 October 20142015: 18 March 2015 to 16 October 20152016: 15 March 2016 to 17 November 20162017: 20 March 2017 to 7 November 20172018: 27 March 2018 to 29 October 20182019: 10 April 2019 to 21 October 20192021: 7 April 2021 to 26 October 20212022: 6 April 2022 to 24 October 20222023: 22 February 2023 to 21 October 20232024: 27 February 2024 to 30 October 20242025: 9 February 2025 to 19 October 20252026: 21 March 2026 to 10 October 202619992005200820112014201720212024JanFebMarAprMayJunJulAugSepOctNovDec
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
19991999-04-091999-10-17
20032003-04-142003-10-25
20042004-03-212004-10-30
20052005-03-312005-11-14
20062006-03-132006-11-11
20072007-04-032007-10-21
20082008-03-152008-09-26
20092009-04-232009-10-09
20102010-04-302010-10-28
20112011-03-242011-10-26
20122012-04-012012-11-03
20132013-04-102013-11-18
20142014-04-272014-10-26
20152015-03-182015-10-16
20162016-03-152016-11-17
20172017-03-202017-11-07
20182018-03-272018-10-29
20192019-04-102019-10-21
20212021-04-072021-10-26
20222022-04-062022-10-24
20232023-02-222023-10-21
20242024-02-272024-10-30
20252025-02-092025-10-19
20262026-03-212026-10-10

Every Fixed Threshold

Fixed thresholds at Atlanta
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days241552011146
35 C (95 F): Days2498201173
40 C (104 F): Days133520119
90 F (32.2 C): Days241252011120
100 F (37.8 C): Days2168201144
110 F (43.3 C): Days2320111
0 C (32 F): Ice days (max15520113
0 C (32 F): Frost days (min2574202230
-10 C (14 F): Days with min10420182
-20 C (-4 F): Days with min1220212
20 C (68 F): Tropical nights (min251162010126
25 C (77 F): Days with min162620111
10 mm (0.39 in): Days with 10 mm or more rain7252197327
25 mm (0.98 in): Days with 25 mm or more rain722819797
50 mm (1.97 in): Days with 50 mm or more rain721219795
100 mm (3.94 in): Days with 100 mm or more rain25420091
200 mm (7.87 in): Days with 200 mm or more rain3119661
10 cm (3.9 in): Days with 10 cm or more snowfall9219482

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1999.

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 (2026-10-12).