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Data as of 2026-10-12
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Built 2026-10-14 (14 October 2026)

Phoenix Threshold Days: Hot, Cold and Wet Days per Year

15 fixed thresholds counted per year for Phoenix: days at or above 30 C and 100 F, frost, tropical nights and heavy rain, with rankings and streaks.

Key Facts for Phoenix Thresholds

  • Phoenix: days with a maximum temperature at or above 30 C (86 F) in 85 years, most in 1950 with 223.
  • Phoenix: days with a maximum temperature at or above 35 C (95 F) in 85 years, most in 2020 with 172.
  • Phoenix: days with a maximum temperature at or above 40 C (104 F) in 85 years, most in 2024 with 129.
  • Phoenix: days with a maximum temperature at or above 90 F (32.2 C) in 85 years, most in 1989 with 196.
  • 15 fixed thresholds have at least one qualifying day at Phoenix.
85 years with a qualifying day
Days at or above 30 C (86 F) per year in Phoenix Days per year in Phoenix with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 223 in 1950. 01002003001934: 2181938: 1771941: 1591942: 1801943: 1961944: 1801948: 1891949: 1921950: 2231951: 1771952: 1971953: 1701954: 1921955: 1771956: 1771957: 1531958: 1791959: 1871960: 1781961: 1801962: 1951963: 1941964: 1771965: 1791966: 1961967: 1841968: 1871969: 1771970: 1691971: 1791972: 2051973: 1931974: 1971975: 1731976: 1901977: 1981978: 1941979: 1921980: 1851981: 2001982: 1811983: 1751984: 1801985: 1901986: 2011987: 2021988: 2101989: 2221990: 2101991: 1871992: 2001993: 1851994: 1781995: 1851996: 1911997: 1991998: 1731999: 1992000: 1842001: 2112002: 1952003: 1892004: 2052005: 1902006: 1912007: 2172008: 2012009: 1972010: 1872011: 2002012: 2072013: 2082014: 2112015: 2062016: 2202017: 2232018: 1882019: 1962020: 2052021: 2082022: 2052023: 2052024: 1972025: 2142026: 211193419521962197219821992200220122022
Days per year in Phoenix with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 223 in 1950.
Days at or above 30 C (86 F) per year in Phoenix
YearDaysDecade average
1934218197.5
1938177197.5
1941159182.7
1942180182.7
1943196182.7
1944180182.7
1948189182.7
1949192182.7
1950223183.2
1951177183.2
1952197183.2
1953170183.2
1954192183.2
1955177183.2
1956177183.2
1957153183.2
1958179183.2
1959187183.2
1960178184.7
1961180184.7
1962195184.7
1963194184.7
1964177184.7
1965179184.7
1966196184.7
1967184184.7
1968187184.7
1969177184.7
1970169189
1971179189
1972205189
1973193189
1974197189
1975173189
1976190189
1977198189
1978194189
1979192189
1980185194.6
1981200194.6
1982181194.6
1983175194.6
1984180194.6
1985190194.6
1986201194.6
1987202194.6
1988210194.6
1989222194.6
1990210190.7
1991187190.7
1992200190.7
1993185190.7
1994178190.7
1995185190.7
1996191190.7
1997199190.7
1998173190.7
1999199190.7
2000184198
2001211198
2002195198
2003189198
2004205198
2005190198
2006191198
2007217198
2008201198
2009197198
2010187204.6
2011200204.6
2012207204.6
2013208204.6
2014211204.6
2015206204.6
2016220204.6
2017223204.6
2018188204.6
2019196204.6
2020205206.4
2021208206.4
2022205206.4
2023205206.4
2024197206.4
2025214206.4
2026211206.4
First to last qualifying date each year in Phoenix For each year, a bar from the first to the last day in Phoenix meeting 30 C (86 F). 1934: 3 March 1934 to 15 November 19341938: 4 April 1938 to 30 October 19381941: 24 April 1941 to 8 November 19411942: 22 March 1942 to 13 November 19421943: 20 February 1943 to 27 October 19431944: 4 April 1944 to 4 November 19441948: 8 April 1948 to 27 October 19481949: 18 March 1949 to 18 November 19491950: 20 March 1950 to 10 December 19501951: 10 February 1951 to 24 October 19511952: 2 April 1952 to 6 November 19521953: 24 March 1953 to 13 November 19531954: 7 April 1954 to 11 November 19541955: 25 March 1955 to 3 November 19551956: 23 March 1956 to 10 November 19561957: 13 February 1957 to 10 October 19571958: 15 April 1958 to 24 October 19581959: 1 April 1959 to 28 October 19591960: 19 March 1960 to 3 November 19601961: 2 April 1961 to 26 October 19611962: 26 March 1962 to 12 November 19621963: 5 February 1963 to 12 November 19631964: 29 March 1964 to 29 October 19641965: 17 April 1965 to 7 November 19651966: 29 March 1966 to 1 November 19661967: 16 March 1967 to 15 November 19671968: 28 March 1968 to 29 October 19681969: 21 March 1969 to 26 October 19691970: 8 February 1970 to 1 November 19701971: 19 January 1971 to 11 November 19711972: 27 February 1972 to 16 October 19721973: 10 April 1973 to 12 November 19731974: 15 March 1974 to 25 October 19741975: 21 April 1975 to 6 November 19751976: 22 March 1976 to 9 November 19761977: 17 February 1977 to 14 November 19771978: 17 March 1978 to 8 November 19781979: 5 April 1979 to 28 October 19791980: 8 April 1980 to 16 December 19801981: 19 February 1981 to 16 November 19811982: 21 February 1982 to 25 October 19821983: 31 March 1983 to 29 October 19831984: 13 March 1984 to 5 November 19841985: 24 March 1985 to 4 November 19851986: 24 February 1986 to 31 October 19861987: 5 March 1987 to 4 November 19871988: 20 March 1988 to 7 November 19881989: 23 February 1989 to 19 November 19891990: 18 March 1990 to 17 November 19901991: 3 April 1991 to 8 November 19911992: 7 April 1992 to 15 November 19921993: 22 March 1993 to 26 October 19931994: 16 March 1994 to 29 October 19941995: 15 March 1995 to 24 November 19951996: 9 March 1996 to 13 November 19961997: 9 March 1997 to 6 November 19971998: 23 March 1998 to 24 October 19981999: 20 March 1999 to 16 November 19992000: 4 April 2000 to 20 October 20002001: 20 March 2001 to 10 November 20012002: 12 March 2002 to 22 November 20022003: 31 January 2003 to 30 October 20032004: 7 March 2004 to 6 November 20042005: 11 March 2005 to 9 November 20052006: 25 March 2006 to 21 November 20062007: 7 March 2007 to 19 November 20072008: 21 March 2008 to 19 November 20082009: 1 March 2009 to 11 November 20092010: 30 March 2010 to 6 November 20102011: 10 March 2011 to 1 November 20112012: 6 March 2012 to 8 November 20122013: 13 March 2013 to 12 November 20132014: 15 February 2014 to 27 November 20142015: 10 March 2015 to 2 November 20152016: 9 February 2016 to 15 November 20162017: 9 March 2017 to 26 November 20172018: 22 March 2018 to 29 October 20182019: 25 March 2019 to 11 November 20192020: 6 March 2020 to 20 November 20202021: 3 March 2021 to 15 November 20212022: 2 March 2022 to 22 October 20222023: 9 April 2023 to 15 November 20232024: 22 March 2024 to 28 October 20242025: 3 February 2025 to 14 November 20252026: 8 February 2026 to 9 October 202619341953196419751986199720082019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Phoenix meeting 30 C (86 F).
First to last qualifying date each year in Phoenix
YearFirst dateLast date
19341934-03-031934-11-15
19381938-04-041938-10-30
19411941-04-241941-11-08
19421942-03-221942-11-13
19431943-02-201943-10-27
19441944-04-041944-11-04
19481948-04-081948-10-27
19491949-03-181949-11-18
19501950-03-201950-12-10
19511951-02-101951-10-24
19521952-04-021952-11-06
19531953-03-241953-11-13
19541954-04-071954-11-11
19551955-03-251955-11-03
19561956-03-231956-11-10
19571957-02-131957-10-10
19581958-04-151958-10-24
19591959-04-011959-10-28
19601960-03-191960-11-03
19611961-04-021961-10-26
19621962-03-261962-11-12
19631963-02-051963-11-12
19641964-03-291964-10-29
19651965-04-171965-11-07
19661966-03-291966-11-01
19671967-03-161967-11-15
19681968-03-281968-10-29
19691969-03-211969-10-26
19701970-02-081970-11-01
19711971-01-191971-11-11
19721972-02-271972-10-16
19731973-04-101973-11-12
19741974-03-151974-10-25
19751975-04-211975-11-06
19761976-03-221976-11-09
19771977-02-171977-11-14
19781978-03-171978-11-08
19791979-04-051979-10-28
19801980-04-081980-12-16
19811981-02-191981-11-16
19821982-02-211982-10-25
19831983-03-311983-10-29
19841984-03-131984-11-05
19851985-03-241985-11-04
19861986-02-241986-10-31
19871987-03-051987-11-04
19881988-03-201988-11-07
19891989-02-231989-11-19
19901990-03-181990-11-17
19911991-04-031991-11-08
19921992-04-071992-11-15
19931993-03-221993-10-26
19941994-03-161994-10-29
19951995-03-151995-11-24
19961996-03-091996-11-13
19971997-03-091997-11-06
19981998-03-231998-10-24
19991999-03-201999-11-16
20002000-04-042000-10-20
20012001-03-202001-11-10
20022002-03-122002-11-22
20032003-01-312003-10-30
20042004-03-072004-11-06
20052005-03-112005-11-09
20062006-03-252006-11-21
20072007-03-072007-11-19
20082008-03-212008-11-19
20092009-03-012009-11-11
20102010-03-302010-11-06
20112011-03-102011-11-01
20122012-03-062012-11-08
20132013-03-132013-11-12
20142014-02-152014-11-27
20152015-03-102015-11-02
20162016-02-092016-11-15
20172017-03-092017-11-26
20182018-03-222018-10-29
20192019-03-252019-11-11
20202020-03-062020-11-20
20212021-03-032021-11-15
20222022-03-022022-10-22
20232023-04-092023-11-15
20242024-03-222024-10-28
20252025-02-032025-11-14
20262026-02-082026-10-09

Every Fixed Threshold

Fixed thresholds in Phoenix
ThresholdYears with a qualifying dayMost days in a yearYearLatest year daysPage
30 C (86 F): Days852231950211Full page
35 C (95 F): Days851722020164Full page
40 C (104 F): Days85129202498Full page
45 C (113 F): Days7135202322Full page
50 C (122 F): Days1119901Too few years
90 F (32.2 C): Days851961989192Full page
100 F (37.8 C): Days851452020131Full page
110 F (43.3 C): Days8570202439Full page
120 F (48.9 C): Days2219901Too few years
Frost days (min at or below 0 C) (32 F): Frost days (min514219481Full page
Tropical nights (min at or above 20 C) (68 F): Tropical nights (min851792020182Full page
25 C (77 F): Days with min851302024125Full page
Days with 10 mm or more rain (0.39 in): Days with 10 mm or more rain851619412Full page
Days with 25 mm or more rain (0.98 in): Days with 25 mm or more rain46519842Full page
Days with 50 mm or more rain (1.97 in): Days with 50 mm or more rain8220181Full page

A full page with streaks and every date exists for thresholds with at least 5 qualifying years. Years with under 90 percent of days observed are left out of the most days column.

Download the Data

  • Data for Phoenix 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 2026-10-12 (12 October 2026). Threshold counts are computed by this site from the threaded city record.

Data as of . Last revised (2026-10-12).