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Built 2026-10-19 (19 October 2026)

Cincinnati Threshold Days by Year (USW00013841)

16 fixed thresholds counted per year at Cincinnati (USW00013841): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cincinnati Thresholds

  • Cincinnati: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 2011 with 49.
  • Cincinnati: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1957 with 24.
  • Cincinnati: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 2007 with 66.
  • Cincinnati: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 2010 with 55.
  • 16 fixed thresholds have at least one qualifying day at Cincinnati.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Cincinnati Days per year at Cincinnati with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2007. 0204060801954: 461955: 591956: 281957: 331958: 151959: 571960: 271966: 431967: 241999: 592000: 182001: 312002: 462003: 192004: 232005: 452006: 322007: 662008: 382009: 182010: 572011: 532012: 612013: 282014: 212015: 332016: 602017: 282018: 542019: 512020: 452021: 412022: 462023: 422024: 622025: 482026: 471954195819672002200620102014201820222026
Days per year at Cincinnati with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2007.
Days at or above 30 C (86 F) per year at Cincinnati
YearDaysDecade average
19544639.7
19555939.7
19562839.7
19573339.7
19581539.7
19595739.7
19602731.3
19664331.3
19672431.3
19995959
20001833.6
20013133.6
20024633.6
20031933.6
20042333.6
20054533.6
20063233.6
20076633.6
20083833.6
20091833.6
20105744.6
20115344.6
20126144.6
20132844.6
20142144.6
20153344.6
20166044.6
20172844.6
20185444.6
20195144.6
20204547.3
20214147.3
20224647.3
20234247.3
20246247.3
20254847.3
20264747.3
First to last qualifying date each year at Cincinnati For each year, a bar from the first to the last day at Cincinnati meeting 30 C (86 F). 1954: 31 May 1954 to 5 October 19541955: 5 June 1955 to 19 September 19551956: 13 May 1956 to 13 September 19561957: 13 May 1957 to 2 September 19571958: 5 June 1958 to 6 September 19581959: 2 May 1959 to 4 October 19591960: 5 June 1960 to 8 September 19601966: 9 June 1966 to 3 September 19661967: 27 May 1967 to 16 September 19671999: 5 June 1999 to 28 September 19992000: 1 June 2000 to 2 September 20002001: 11 June 2001 to 12 August 20012002: 4 June 2002 to 20 September 20022003: 24 June 2003 to 29 August 20032004: 8 June 2004 to 6 September 20042005: 5 June 2005 to 12 September 20052006: 28 May 2006 to 26 August 20062007: 23 May 2007 to 8 October 20072008: 5 June 2008 to 14 September 20082009: 23 May 2009 to 17 August 20092010: 26 May 2010 to 24 September 20102011: 29 May 2011 to 3 September 20112012: 25 May 2012 to 7 September 20122013: 30 May 2013 to 20 September 20132014: 1 June 2014 to 2 October 20142015: 6 May 2015 to 8 September 20152016: 27 May 2016 to 23 September 20162017: 3 June 2017 to 27 September 20172018: 13 May 2018 to 8 October 20182019: 24 May 2019 to 3 October 20192020: 24 May 2020 to 10 September 20202021: 24 May 2021 to 19 September 20212022: 30 May 2022 to 21 September 20222023: 1 June 2023 to 4 October 20232024: 19 May 2024 to 22 September 20242025: 18 June 2025 to 29 September 20252026: 18 May 2026 to 13 October 202619541959200020052010201520202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cincinnati meeting 30 C (86 F).
First to last qualifying date each year at Cincinnati
YearFirst dateLast date
19541954-05-311954-10-05
19551955-06-051955-09-19
19561956-05-131956-09-13
19571957-05-131957-09-02
19581958-06-051958-09-06
19591959-05-021959-10-04
19601960-06-051960-09-08
19661966-06-091966-09-03
19671967-05-271967-09-16
19991999-06-051999-09-28
20002000-06-012000-09-02
20012001-06-112001-08-12
20022002-06-042002-09-20
20032003-06-242003-08-29
20042004-06-082004-09-06
20052005-06-052005-09-12
20062006-05-282006-08-26
20072007-05-232007-10-08
20082008-06-052008-09-14
20092009-05-232009-08-17
20102010-05-262010-09-24
20112011-05-292011-09-03
20122012-05-252012-09-07
20132013-05-302013-09-20
20142014-06-012014-10-02
20152015-05-062015-09-08
20162016-05-272016-09-23
20172017-06-032017-09-27
20182018-05-132018-10-08
20192019-05-242019-10-03
20202020-05-242020-09-10
20212021-05-242021-09-19
20222022-05-302022-09-21
20232023-06-012023-10-04
20242024-05-192024-09-22
20252025-06-182025-09-29
20262026-05-182026-10-13

Every Fixed Threshold

Fixed thresholds at Cincinnati
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3766200747
35 C (95 F): Days121019992
90 F (32.2 C): Days3533199915
100 F (37.8 C): Days3320123
0 C (32 F): Ice days (max3755201026
0 C (32 F): Frost days (min37131201364
-10 C (14 F): Days with min3737201419
-20 C (-4 F): Days with min24920146
20 C (68 F): Tropical nights (min3739195933
25 C (77 F): Days with min1119991
10 mm (0.39 in): Days with 10 mm or more rain4049201134
25 mm (0.98 in): Days with 25 mm or more rain4024195712
50 mm (1.97 in): Days with 50 mm or more rain28419571
100 mm (3.94 in): Days with 100 mm or more rain2120061
10 cm (3.9 in): Days with 10 cm or more snowfall13520251
25 cm (9.8 in): Days with 25 cm or more snowfall2119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Cincinnati 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).