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Built 2026-10-19 (19 October 2026)

Memphis Threshold Days by Year (USC00235492)

18 fixed thresholds counted per year at Memphis (USC00235492): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Memphis Thresholds

  • Memphis: days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 1973 with 50.
  • Memphis: days with 25 mm (0.98 in) or more of precipitation in 79 years, most in 1970 with 20.
  • Memphis: days with 50 mm (1.97 in) or more of precipitation in 66 years, most in 1970 with 8.
  • Memphis: days with a maximum temperature at or above 30 C (86 F) in 64 years, most in 1953 with 96.
  • 18 fixed thresholds have at least one qualifying day at Memphis.
64 years with a qualifying day
Days at or above 30 C (86 F) per year at Memphis Days per year at Memphis with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1953. 02550751001939: 741940: 671941: 791942: 581943: 711944: 771945: 541946: 621947: 671948: 621949: 691950: 351951: 421952: 821953: 961954: 751956: 801958: 351961: 601962: 661963: 701964: 651966: 551967: 421968: 661969: 561970: 501971: 711972: 601973: 551974: 451975: 641987: 661988: 711989: 391990: 511991: 631992: 331998: 531999: 562000: 542001: 442002: 572006: 542007: 712008: 282009: 232010: 622011: 672012: 752013: 562014: 302015: 422016: 542017: 582018: 762019: 512020: 602021: 632022: 702023: 652024: 582025: 612026: 651939194619531964197219902002201220192026
Days per year at Memphis with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1953.
Days at or above 30 C (86 F) per year at Memphis
YearDaysDecade average
19397474
19406766.6
19417966.6
19425866.6
19437166.6
19447766.6
19455466.6
19466266.6
19476766.6
19486266.6
19496966.6
19503563.6
19514263.6
19528263.6
19539663.6
19547563.6
19568063.6
19583563.6
19616060
19626660
19637060
19646560
19665560
19674260
19686660
19695660
19705057.5
19717157.5
19726057.5
19735557.5
19744557.5
19756457.5
19876658.7
19887158.7
19893958.7
19905151.2
19916351.2
19923351.2
19985351.2
19995651.2
20005447.3
20014447.3
20025747.3
20065447.3
20077147.3
20082847.3
20092347.3
20106257.1
20116757.1
20127557.1
20135657.1
20143057.1
20154257.1
20165457.1
20175857.1
20187657.1
20195157.1
20206063.1
20216363.1
20227063.1
20236563.1
20245863.1
20256163.1
20266563.1
First to last qualifying date each year at Memphis For each year, a bar from the first to the last day at Memphis meeting 30 C (86 F). 1939: 24 May 1939 to 26 October 19391940: 3 April 1940 to 23 September 19401941: 14 April 1941 to 24 September 19411942: 30 April 1942 to 19 September 19421943: 6 May 1943 to 6 September 19431944: 15 May 1944 to 20 September 19441945: 21 May 1945 to 24 September 19451946: 6 June 1946 to 9 October 19461947: 15 May 1947 to 16 October 19471948: 18 April 1948 to 21 September 19481949: 26 April 1949 to 10 October 19491950: 5 May 1950 to 1 November 19501951: 29 April 1951 to 5 October 19511952: 30 April 1952 to 2 October 19521953: 25 May 1953 to 21 October 19531954: 26 April 1954 to 4 October 19541956: 28 April 1956 to 4 October 19561958: 1 June 1958 to 25 September 19581961: 1 June 1961 to 11 September 19611962: 26 April 1962 to 11 October 19621963: 8 May 1963 to 15 October 19631964: 16 May 1964 to 21 September 19641966: 5 May 1966 to 2 September 19661967: 18 May 1967 to 4 October 19671968: 2 May 1968 to 14 October 19681969: 27 May 1969 to 4 October 19691970: 28 April 1970 to 21 September 19701971: 12 April 1971 to 1 October 19711972: 19 May 1972 to 24 September 19721973: 7 June 1973 to 2 September 19731974: 16 May 1974 to 18 September 19741975: 18 May 1975 to 13 October 19751987: 20 April 1987 to 5 September 19871988: 14 May 1988 to 22 September 19881989: 23 May 1989 to 27 August 19891990: 10 June 1990 to 5 October 19901991: 13 May 1991 to 15 September 19911992: 30 April 1992 to 15 September 19921998: 16 May 1998 to 26 September 19981999: 6 June 1999 to 15 October 19992000: 9 May 2000 to 19 September 20002001: 16 May 2001 to 8 September 20012002: 16 April 2002 to 2 October 20022006: 13 April 2006 to 4 October 20062007: 29 April 2007 to 8 October 20072008: 6 June 2008 to 3 September 20082009: 24 May 2009 to 16 August 20092010: 2 April 2010 to 21 September 20102011: 10 May 2011 to 13 September 20112012: 3 April 2012 to 13 September 20122013: 15 May 2013 to 5 October 20132014: 8 May 2014 to 5 September 20142015: 8 June 2015 to 18 September 20152016: 31 May 2016 to 18 October 20162017: 16 May 2017 to 3 October 20172018: 15 May 2018 to 4 October 20182019: 17 May 2019 to 2 October 20192020: 3 June 2020 to 7 September 20202021: 27 April 2021 to 1 October 20212022: 10 May 2022 to 23 October 20222023: 5 April 2023 to 4 October 20232024: 20 May 2024 to 13 October 20242025: 16 May 2025 to 5 October 20252026: 22 March 2026 to 13 October 202619391947195619681987200020112019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Memphis meeting 30 C (86 F).
First to last qualifying date each year at Memphis
YearFirst dateLast date
19391939-05-241939-10-26
19401940-04-031940-09-23
19411941-04-141941-09-24
19421942-04-301942-09-19
19431943-05-061943-09-06
19441944-05-151944-09-20
19451945-05-211945-09-24
19461946-06-061946-10-09
19471947-05-151947-10-16
19481948-04-181948-09-21
19491949-04-261949-10-10
19501950-05-051950-11-01
19511951-04-291951-10-05
19521952-04-301952-10-02
19531953-05-251953-10-21
19541954-04-261954-10-04
19561956-04-281956-10-04
19581958-06-011958-09-25
19611961-06-011961-09-11
19621962-04-261962-10-11
19631963-05-081963-10-15
19641964-05-161964-09-21
19661966-05-051966-09-02
19671967-05-181967-10-04
19681968-05-021968-10-14
19691969-05-271969-10-04
19701970-04-281970-09-21
19711971-04-121971-10-01
19721972-05-191972-09-24
19731973-06-071973-09-02
19741974-05-161974-09-18
19751975-05-181975-10-13
19871987-04-201987-09-05
19881988-05-141988-09-22
19891989-05-231989-08-27
19901990-06-101990-10-05
19911991-05-131991-09-15
19921992-04-301992-09-15
19981998-05-161998-09-26
19991999-06-061999-10-15
20002000-05-092000-09-19
20012001-05-162001-09-08
20022002-04-162002-10-02
20062006-04-132006-10-04
20072007-04-292007-10-08
20082008-06-062008-09-03
20092009-05-242009-08-16
20102010-04-022010-09-21
20112011-05-102011-09-13
20122012-04-032012-09-13
20132013-05-152013-10-05
20142014-05-082014-09-05
20152015-06-082015-09-18
20162016-05-312016-10-18
20172017-05-162017-10-03
20182018-05-152018-10-04
20192019-05-172019-10-02
20202020-06-032020-09-07
20212021-04-272021-10-01
20222022-05-102022-10-23
20232023-04-052023-10-04
20242024-05-202024-10-13
20252025-05-162025-10-05
20262026-03-222026-10-13

Every Fixed Threshold

Fixed thresholds at Memphis
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6496195365
35 C (95 F): Days6238195310
40 C (104 F): Days6420124
90 F (32.2 C): Days6474195332
100 F (37.8 C): Days272019473
0 C (32 F): Ice days (max6461201418
0 C (32 F): Frost days (min62161195267
-10 C (14 F): Days with min6264195026
-20 C (-4 F): Days with min592519636
-30 C (-22 F): Days with min3119621
20 C (68 F): Tropical nights (min6241202545
25 C (77 F): Days with min20519411
10 mm (0.39 in): Days with 10 mm or more rain7950197330
25 mm (0.98 in): Days with 25 mm or more rain7920197011
50 mm (1.97 in): Days with 50 mm or more rain66819702
100 mm (3.94 in): Days with 100 mm or more rain12319701
10 cm (3.9 in): Days with 10 cm or more snowfall59519532
25 cm (9.8 in): Days with 25 cm or more snowfall4119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Memphis 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).