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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Days at or above 110 F (43.3 C) in Phoenix

Phoenix has had days with a maximum temperature at or above 110 F (43.3 C) in 85 years, most in 2024 with 70. Days per year, season span, streaks and every date.

Key Facts for Phoenix

  • Phoenix has had days with a maximum temperature at or above 110 F (43.3 C) in 85 years, 1,533 days in all.
  • The most in one year was 70 days in 2024.
  • In 2026, the latest year on file, there were 39 such days.
  • The earliest first date in a year was 8 May 1989.
  • The latest last date in a year was 7 October 2024.
  • The longest run inside a single year was 31 days in 2023.
  • 9 years with under 90 percent of days observed are left out of these rankings.

Days per Year

85 years, 1,533 days
Days at or above 110 F (43.3 C) per year in Phoenix Days per year in Phoenix with a maximum temperature at or above 110 F (43.3 C). The line is the decade average. The most was 70 in 2024. Grey bars are years with under 90 percent of days observed, left out of rankings. 0204060801934: 151938: 51941: 31942: 171943: 121944: 121948: 201949: 91950: 251951: 81952: 71953: 51954: 51955: 41956: 11957: 61958: 141959: 91960: 101961: 181962: 141963: 81964: 71965: 81966: 131967: 31968: 81969: 141970: 131971: 121972: 121973: 191974: 271975: 121976: 71977: 151978: 251979: 281980: 161981: 251982: 151983: 211984: 81985: 271986: 181987: 131988: 201989: 271990: 241991: 81992: 121993: 91994: 141995: 251996: 131997: 101998: 171999: 42000: 152001: 162002: 282003: 262004: 122005: 242006: 192007: 322008: 222009: 272010: 232011: 332012: 212013: 252014: 102015: 202016: 302017: 252018: 222019: 292020: 532021: 222022: 222023: 552024: 702025: 372026: 39193419521962197219821992200220122022
Days per year in Phoenix with a maximum temperature at or above 110 F (43.3 C). The line is the decade average. The most was 70 in 2024. Grey bars are years with under 90 percent of days observed, left out of rankings.
Days at or above 110 F (43.3 C) per year in Phoenix
YearDaysDecade average
19341510
1938510
1941312.2
19421712.2
19431212.2
19441212.2
19482012.2
1949912.2
1950258.4
195188.4
195278.4
195358.4
195458.4
195548.4
195618.4
195768.4
1958148.4
195998.4
19601010.3
19611810.3
19621410.3
1963810.3
1964710.3
1965810.3
19661310.3
1967310.3
1968810.3
19691410.3
19701317
19711217
19721217
19731917
19742717
19751217
1976717
19771517
19782517
19792817
19801619
19812519
19821519
19832119
1984819
19852719
19861819
19871319
19882019
19892719
19902413.6
1991813.6
19921213.6
1993913.6
19941413.6
19952513.6
19961313.6
19971013.6
19981713.6
1999413.6
20001522.1
20011622.1
20022822.1
20032622.1
20041222.1
20052422.1
20061922.1
20073222.1
20082222.1
20092722.1
20102323.8
20113323.8
20122123.8
20132523.8
20141023.8
20152023.8
20163023.8
20172523.8
20182223.8
20192923.8
20205342.6
20212242.6
20222242.6
20235542.6
20247042.6
20253742.6
20263942.6

Season Span

earliest 8 May, latest 7 October
First to last qualifying date each year in Phoenix For each year, a bar from the first to the last day in Phoenix meeting 110 F (43.3 C). Long bars mean a long season. 1934: 10 May 1934 to 1 August 19341938: 4 June 1938 to 1 August 19381941: 4 July 1941 to 10 July 19411942: 21 June 1942 to 22 August 19421943: 18 June 1943 to 30 July 19431944: 29 June 1944 to 27 August 19441948: 29 June 1948 to 4 September 19481949: 15 June 1949 to 31 August 19491950: 27 June 1950 to 3 September 19501951: 26 May 1951 to 31 July 19511952: 17 June 1952 to 3 September 19521953: 22 June 1953 to 2 July 19531954: 20 June 1954 to 28 July 19541955: 8 June 1955 to 23 June 19551956: 8 July 1956 to 8 July 19561957: 24 June 1957 to 31 July 19571958: 29 May 1958 to 9 August 19581959: 13 June 1959 to 25 July 19591960: 18 June 1960 to 18 July 19601961: 13 June 1961 to 8 August 19611962: 22 June 1962 to 16 August 19621963: 2 July 1963 to 25 July 19631964: 24 June 1964 to 28 July 19641965: 2 July 1965 to 9 August 19651966: 13 June 1966 to 9 August 19661967: 1 July 1967 to 26 August 19671968: 17 June 1968 to 11 July 19681969: 30 June 1969 to 23 August 19691970: 23 June 1970 to 7 August 19701971: 17 June 1971 to 12 September 19711972: 29 June 1972 to 1 August 19721973: 7 June 1973 to 23 August 19731974: 26 May 1974 to 9 September 19741975: 1 July 1975 to 7 August 19751976: 20 June 1976 to 7 July 19761977: 1 June 1977 to 20 August 19771978: 8 June 1978 to 30 July 19781979: 12 June 1979 to 8 September 19791980: 26 June 1980 to 8 August 19801981: 7 June 1981 to 29 August 19811982: 27 June 1982 to 6 September 19821983: 27 May 1983 to 4 September 19831984: 28 May 1984 to 30 August 19841985: 7 June 1985 to 30 August 19851986: 12 June 1986 to 6 September 19861987: 3 June 1987 to 31 August 19871988: 16 June 1988 to 18 August 19881989: 8 May 1989 to 13 August 19891990: 3 June 1990 to 11 September 19901991: 18 June 1991 to 8 August 19911992: 24 June 1992 to 17 August 19921993: 14 June 1993 to 11 August 19931994: 10 June 1994 to 11 August 19941995: 12 June 1995 to 2 September 19951996: 3 June 1996 to 12 August 19961997: 3 July 1997 to 23 August 19971998: 28 June 1998 to 28 August 19981999: 30 June 1999 to 22 August 19992000: 28 May 2000 to 15 September 20002001: 8 June 2001 to 12 September 20012002: 6 June 2002 to 4 September 20022003: 28 May 2003 to 3 September 20032004: 3 June 2004 to 31 August 20042005: 20 June 2005 to 30 August 20052006: 2 June 2006 to 24 July 20062007: 14 June 2007 to 1 September 20072008: 19 May 2008 to 1 August 20082009: 28 June 2009 to 30 August 20092010: 24 June 2010 to 19 September 20102011: 15 June 2011 to 4 September 20112012: 1 June 2012 to 14 August 20122013: 6 June 2013 to 6 September 20132014: 2 June 2014 to 30 August 20142015: 15 June 2015 to 29 August 20152016: 3 June 2016 to 16 August 20162017: 17 June 2017 to 12 September 20172018: 4 June 2018 to 7 August 20182019: 12 June 2019 to 5 September 20192020: 29 May 2020 to 6 September 20202021: 12 June 2021 to 9 September 20212022: 8 June 2022 to 6 September 20222023: 25 June 2023 to 10 September 20232024: 6 June 2024 to 7 October 20242025: 14 June 2025 to 24 August 20252026: 13 June 2026 to 29 August 202619341953196419751986199720082019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Phoenix meeting 110 F (43.3 C). Long bars mean a long season.
First to last qualifying date each year in Phoenix
YearFirst dateLast date
19341934-05-101934-08-01
19381938-06-041938-08-01
19411941-07-041941-07-10
19421942-06-211942-08-22
19431943-06-181943-07-30
19441944-06-291944-08-27
19481948-06-291948-09-04
19491949-06-151949-08-31
19501950-06-271950-09-03
19511951-05-261951-07-31
19521952-06-171952-09-03
19531953-06-221953-07-02
19541954-06-201954-07-28
19551955-06-081955-06-23
19561956-07-081956-07-08
19571957-06-241957-07-31
19581958-05-291958-08-09
19591959-06-131959-07-25
19601960-06-181960-07-18
19611961-06-131961-08-08
19621962-06-221962-08-16
19631963-07-021963-07-25
19641964-06-241964-07-28
19651965-07-021965-08-09
19661966-06-131966-08-09
19671967-07-011967-08-26
19681968-06-171968-07-11
19691969-06-301969-08-23
19701970-06-231970-08-07
19711971-06-171971-09-12
19721972-06-291972-08-01
19731973-06-071973-08-23
19741974-05-261974-09-09
19751975-07-011975-08-07
19761976-06-201976-07-07
19771977-06-011977-08-20
19781978-06-081978-07-30
19791979-06-121979-09-08
19801980-06-261980-08-08
19811981-06-071981-08-29
19821982-06-271982-09-06
19831983-05-271983-09-04
19841984-05-281984-08-30
19851985-06-071985-08-30
19861986-06-121986-09-06
19871987-06-031987-08-31
19881988-06-161988-08-18
19891989-05-081989-08-13
19901990-06-031990-09-11
19911991-06-181991-08-08
19921992-06-241992-08-17
19931993-06-141993-08-11
19941994-06-101994-08-11
19951995-06-121995-09-02
19961996-06-031996-08-12
19971997-07-031997-08-23
19981998-06-281998-08-28
19991999-06-301999-08-22
20002000-05-282000-09-15
20012001-06-082001-09-12
20022002-06-062002-09-04
20032003-05-282003-09-03
20042004-06-032004-08-31
20052005-06-202005-08-30
20062006-06-022006-07-24
20072007-06-142007-09-01
20082008-05-192008-08-01
20092009-06-282009-08-30
20102010-06-242010-09-19
20112011-06-152011-09-04
20122012-06-012012-08-14
20132013-06-062013-09-06
20142014-06-022014-08-30
20152015-06-152015-08-29
20162016-06-032016-08-16
20172017-06-172017-09-12
20182018-06-042018-08-07
20192019-06-122019-09-05
20202020-05-292020-09-06
20212021-06-122021-09-09
20222022-06-082022-09-06
20232023-06-252023-09-10
20242024-06-062024-10-07
20252025-06-142025-08-24
20262026-06-132026-08-29

Every Year

Days at or above 110 F (43.3 C) per year in Phoenix
YearDaysFirst dateLast dateLongest streak in yearCoverage
20263913 June 202629 August 20266 daysIncomplete, not ranked
20253714 June 202524 August 202514 daysComplete
2024706 June 20247 October 202412 daysComplete
20235525 June 202310 September 202331 daysComplete
2022228 June 20226 September 202210 daysComplete
20212212 June 20219 September 20219 daysComplete
20205329 May 20206 September 202011 daysComplete
20192912 June 20195 September 20194 daysComplete
2018224 June 20187 August 20187 daysComplete
20172517 June 201712 September 201711 daysComplete
2016303 June 201616 August 20166 daysComplete
20152015 June 201529 August 20156 daysComplete
2014102 June 201430 August 20143 daysComplete
2013256 June 20136 September 20136 daysComplete
2012211 June 201214 August 20129 daysComplete
20113315 June 20114 September 20118 daysComplete
20102324 June 201019 September 20105 daysComplete
20092728 June 200930 August 20096 daysComplete
20082219 May 20081 August 200811 daysComplete
20073214 June 20071 September 200712 daysComplete
2006192 June 200624 July 20065 daysComplete
20052420 June 200530 August 20059 daysComplete
2004123 June 200431 August 20044 daysComplete
20032628 May 20033 September 20035 daysComplete
2002286 June 20024 September 20025 daysComplete
2001168 June 200112 September 20015 daysComplete
20001528 May 200015 September 20005 daysComplete
1999430 June 199922 August 19992 daysComplete
19981728 June 199828 August 19985 daysComplete
1997103 July 199723 August 19974 daysComplete
1996133 June 199612 August 19963 daysComplete
19952512 June 19952 September 199517 daysComplete
19941410 June 199411 August 19944 daysComplete
1993914 June 199311 August 19934 daysComplete
19921224 June 199217 August 19924 daysComplete
1991818 June 19918 August 19912 daysComplete
1990243 June 199011 September 19909 daysComplete
1989278 May 198913 August 198910 daysComplete
19882016 June 198818 August 19884 daysComplete
1987133 June 198731 August 19873 daysComplete
19861812 June 19866 September 19864 daysComplete
1985277 June 198530 August 19855 daysComplete
1984828 May 198430 August 19843 daysComplete
19832127 May 19834 September 19834 daysComplete
19821527 June 19826 September 19825 daysComplete
1981257 June 198129 August 19819 daysComplete
19801626 June 19808 August 19804 daysComplete
19792812 June 19798 September 19796 daysComplete
1978258 June 197830 July 19789 daysComplete
1977151 June 197720 August 19774 daysComplete
1976720 June 19767 July 19763 daysComplete
1975121 July 19757 August 19757 daysComplete
19742726 May 19749 September 197418 daysComplete
1973197 June 197323 August 19735 daysComplete
19721229 June 19721 August 19726 daysComplete
19711217 June 197112 September 19715 daysComplete
19701323 June 19707 August 19706 daysComplete
19691430 June 196923 August 19695 daysComplete
1968817 June 196811 July 19687 daysComplete
196731 July 196726 August 19672 daysComplete
19661313 June 19669 August 19664 daysComplete
196582 July 19659 August 19656 daysComplete
1964724 June 196428 July 19642 daysComplete
196382 July 196325 July 19633 daysComplete
19621422 June 196216 August 19627 daysComplete
19611813 June 19618 August 19615 daysComplete
19601018 June 196018 July 19605 daysComplete
1959913 June 195925 July 19593 daysComplete
19581429 May 19589 August 19588 daysComplete
1957624 June 195731 July 19573 daysComplete
195618 July 19568 July 19561 daysComplete
195548 June 195523 June 19552 daysComplete
1954520 June 195428 July 19542 daysComplete
1953522 June 19532 July 19533 daysComplete
1952717 June 19523 September 19522 daysComplete
1951826 May 195131 July 19513 daysComplete
19502527 June 19503 September 19507 daysComplete
1949915 June 194931 August 19493 daysComplete
19482029 June 19484 September 19486 daysComplete
19441229 June 194427 August 19445 daysComplete
19431218 June 194330 July 19437 daysComplete
19421721 June 194222 August 19425 daysComplete
194134 July 194110 July 19411 daysComplete
193854 June 19381 August 19382 daysComplete
19341510 May 19341 August 19344 daysComplete
Decade averages for Days at or above 110 F (43.3 C) in Phoenix
DecadeAverage days per yearYears counted
1930s10.02
1940s12.26
1950s8.410
1960s10.310
1970s17.010
1980s19.010
1990s13.610
2000s22.110
2010s23.810
2020s43.26

Compare with your own threshold in the threshold explorer. Fahrenheit thresholds are converted to tenths of a degree Celsius once, rounding half up.

Download the Data

  • Data for Days at or above 110 F (43.3 C) in Phoenix, 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 from the threaded city record.

Data as of . Last revised (2026-10-17).