Built 2026-10-19 (19 October 2026)

Pittsburgh Allegheny Co AP Threshold Days by Year (USW00014762)

16 fixed thresholds counted per year at Pittsburgh Allegheny Co AP (USW00014762): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pittsburgh Allegheny Co AP Thresholds

  • Pittsburgh Allegheny Co AP: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 2024 with 52.
  • Pittsburgh Allegheny Co AP: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 2010 with 54.
  • Pittsburgh Allegheny Co AP: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1936 with 128.
  • Pittsburgh Allegheny Co AP: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1936 with 32.
  • 16 fixed thresholds have at least one qualifying day at Pittsburgh Allegheny Co AP.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Pittsburgh Allegheny Co AP Days per year at Pittsburgh Allegheny Co AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 2024. 02040601936: 481937: 431938: 391946: 321947: 381948: 281949: 431950: 161951: 331999: 402000: 122001: 202002: 442003: 152004: 62005: 482006: 232007: 352008: 222009: 112010: 442011: 402012: 482013: 242014: 182015: 292016: 422017: 192018: 282019: 292020: 422021: 352022: 322023: 222024: 522025: 332026: 201936194719512002200620102014201820222026
Days per year at Pittsburgh Allegheny Co AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 2024.
Days at or above 30 C (86 F) per year at Pittsburgh Allegheny Co AP
YearDaysDecade average
19364843.3
19374343.3
19383943.3
19463235.3
19473835.3
19482835.3
19494335.3
19501624.5
19513324.5
19994040
20001223.6
20012023.6
20024423.6
20031523.6
2004623.6
20054823.6
20062323.6
20073523.6
20082223.6
20091123.6
20104432.1
20114032.1
20124832.1
20132432.1
20141832.1
20152932.1
20164232.1
20171932.1
20182832.1
20192932.1
20204233.7
20213533.7
20223233.7
20232233.7
20245233.7
20253333.7
20262033.7
First to last qualifying date each year at Pittsburgh Allegheny Co AP For each year, a bar from the first to the last day at Pittsburgh Allegheny Co AP meeting 30 C (86 F). 1936: 7 May 1936 to 23 September 19361937: 22 May 1937 to 24 September 19371938: 27 April 1938 to 4 September 19381946: 11 June 1946 to 27 September 19461947: 10 June 1947 to 21 September 19471948: 11 May 1948 to 17 September 19481949: 4 May 1949 to 10 October 19491950: 7 June 1950 to 28 August 19501951: 1 June 1951 to 5 October 19511999: 18 May 1999 to 3 September 19992000: 7 May 2000 to 10 September 20002001: 4 May 2001 to 9 September 20012002: 16 April 2002 to 20 September 20022003: 24 June 2003 to 29 August 20032004: 9 June 2004 to 3 August 20042005: 7 June 2005 to 22 September 20052006: 29 May 2006 to 26 August 20062007: 30 May 2007 to 8 October 20072008: 5 June 2008 to 14 September 20082009: 25 April 2009 to 17 August 20092010: 6 April 2010 to 24 September 20102011: 29 May 2011 to 3 September 20112012: 3 May 2012 to 7 September 20122013: 15 May 2013 to 11 September 20132014: 13 May 2014 to 5 September 20142015: 8 May 2015 to 9 September 20152016: 27 May 2016 to 23 September 20162017: 30 April 2017 to 27 September 20172018: 28 May 2018 to 21 September 20182019: 19 May 2019 to 3 October 20192020: 25 May 2020 to 10 September 20202021: 20 May 2021 to 29 August 20212022: 21 May 2022 to 29 August 20222023: 5 April 2023 to 6 September 20232024: 21 May 2024 to 20 September 20242025: 4 June 2025 to 23 August 20252026: 18 May 2026 to 2 September 202619361948200020052010201520202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pittsburgh Allegheny Co AP meeting 30 C (86 F).
First to last qualifying date each year at Pittsburgh Allegheny Co AP
YearFirst dateLast date
19361936-05-071936-09-23
19371937-05-221937-09-24
19381938-04-271938-09-04
19461946-06-111946-09-27
19471947-06-101947-09-21
19481948-05-111948-09-17
19491949-05-041949-10-10
19501950-06-071950-08-28
19511951-06-011951-10-05
19991999-05-181999-09-03
20002000-05-072000-09-10
20012001-05-042001-09-09
20022002-04-162002-09-20
20032003-06-242003-08-29
20042004-06-092004-08-03
20052005-06-072005-09-22
20062006-05-292006-08-26
20072007-05-302007-10-08
20082008-06-052008-09-14
20092009-04-252009-08-17
20102010-04-062010-09-24
20112011-05-292011-09-03
20122012-05-032012-09-07
20132013-05-152013-09-11
20142014-05-132014-09-05
20152015-05-082015-09-09
20162016-05-272016-09-23
20172017-04-302017-09-27
20182018-05-282018-09-21
20192019-05-192019-10-03
20202020-05-252020-09-10
20212021-05-202021-08-29
20222022-05-212022-08-29
20232023-04-052023-09-06
20242024-05-212024-09-20
20252025-06-042025-08-23
20262026-05-182026-09-02

Every Fixed Threshold

Fixed thresholds at Pittsburgh Allegheny Co AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3752202420
35 C (95 F): Days10819364
90 F (32.2 C): Days332619367
100 F (37.8 C): Days1319363
0 C (32 F): Ice days (max3754201031
0 C (32 F): Frost days (min37128193665
-10 C (14 F): Days with min3732193623
-20 C (-4 F): Days with min9819361
20 C (68 F): Tropical nights (min3741201629
25 C (77 F): Days with min1120161
10 mm (0.39 in): Days with 10 mm or more rain3755201833
25 mm (0.98 in): Days with 25 mm or more rain371720176
50 mm (1.97 in): Days with 50 mm or more rain23620182
100 mm (3.94 in): Days with 100 mm or more rain3120001
10 cm (3.9 in): Days with 10 cm or more snowfall6519503
25 cm (9.8 in): Days with 25 cm or more snowfall2219502

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Pittsburgh Allegheny Co AP 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).