Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Days with 25 mm (0.98 in) or more of precipitation in Phoenix

Phoenix has had days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1984 with 5. Days per year, season span, streaks and every date.

Key Facts for Phoenix

  • Phoenix has had days with 25 mm (0.98 in) or more of precipitation in 46 years, 74 days in all.
  • The most in one year was 5 days in 1984.
  • In 2025, the latest year on file, there were 2 such days.
  • The earliest first date in a year was 8 January 1993.
  • The latest last date in a year was 27 December 1984.
  • The longest run inside a single year was 2 days in 1955.
  • 9 years with under 90 percent of days observed are left out of these rankings.

Days per Year

46 years, 74 days
Days with 25 mm (0.98 in) or more of precipitation per year in Phoenix Days per year in Phoenix with 25 mm (0.98 in) or more of precipitation. The line is the decade average. The most was 5 in 1984. Grey bars are years with under 90 percent of days observed, left out of rankings. 02461941: 11943: 21944: 11951: 21952: 21955: 31957: 11958: 11959: 11963: 11964: 11966: 21967: 11969: 11970: 11972: 21973: 11974: 11978: 21983: 31984: 51987: 31988: 11989: 11990: 11991: 11992: 21993: 31994: 11995: 31998: 11999: 22000: 12003: 12004: 12006: 22007: 12008: 12010: 22013: 22014: 22018: 22019: 12020: 12021: 12025: 219411964198419982014
Days per year in Phoenix with 25 mm (0.98 in) or more of precipitation. The line is the decade average. The most was 5 in 1984. Grey bars are years with under 90 percent of days observed, left out of rankings.
Days with 25 mm (0.98 in) or more of precipitation per year in Phoenix
YearDaysDecade average
194111.3
194321.3
194411.3
195121.7
195221.7
195531.7
195711.7
195811.7
195911.7
196311.2
196411.2
196621.2
196711.2
196911.2
197011.4
197221.4
197311.4
197411.4
197821.4
198332.6
198452.6
198732.6
198812.6
198912.6
199011.8
199111.8
199221.8
199331.8
199411.8
199531.8
199811.8
199921.8
200011.2
200311.2
200411.2
200621.2
200711.2
200811.2
201021.8
201321.8
201421.8
201821.8
201911.8
202011.3
202111.3
202521.3

Season Span

earliest 8 January, latest 27 December
First to last qualifying date each year in Phoenix For each year, a bar from the first to the last day in Phoenix meeting 25 mm (0.98 in). Long bars mean a long season. 1941: 14 March 1941 to 14 March 19411943: 3 August 1943 to 15 August 19431944: 24 December 1944 to 24 December 19441951: 30 January 1951 to 27 August 19511952: 24 August 1952 to 16 November 19521955: 22 July 1955 to 25 July 19551957: 31 October 1957 to 31 October 19571958: 12 September 1958 to 12 September 19581959: 30 October 1959 to 30 October 19591963: 19 October 1963 to 19 October 19631964: 14 September 1964 to 14 September 19641966: 18 August 1966 to 13 September 19661967: 14 December 1967 to 14 December 19671969: 16 September 1969 to 16 September 19691970: 5 September 1970 to 5 September 19701972: 22 June 1972 to 19 October 19721973: 12 July 1973 to 12 July 19731974: 5 August 1974 to 5 August 19741978: 20 August 1978 to 18 December 19781983: 3 March 1983 to 29 September 19831984: 21 July 1984 to 27 December 19841987: 24 February 1987 to 17 December 19871988: 14 October 1988 to 14 October 19881989: 26 March 1989 to 26 March 19891990: 14 August 1990 to 14 August 19901991: 27 October 1991 to 27 October 19911992: 24 July 1992 to 8 December 19921993: 8 January 1993 to 14 November 19931994: 2 September 1994 to 2 September 19941995: 14 August 1995 to 1 November 19951998: 22 July 1998 to 22 July 19981999: 14 July 1999 to 19 September 19992000: 6 March 2000 to 6 March 20002003: 13 February 2003 to 13 February 20032004: 4 March 2004 to 4 March 20042006: 11 March 2006 to 25 July 20062007: 30 November 2007 to 30 November 20072008: 13 July 2008 to 13 July 20082010: 21 January 2010 to 31 July 20102013: 26 January 2013 to 22 November 20132014: 8 September 2014 to 27 September 20142018: 2 October 2018 to 13 October 20182019: 21 February 2019 to 21 February 20192020: 22 February 2020 to 22 February 20202021: 24 December 2021 to 24 December 20212025: 26 September 2025 to 12 October 202519411957196719781990199820072019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Phoenix meeting 25 mm (0.98 in). Long bars mean a long season.
First to last qualifying date each year in Phoenix
YearFirst dateLast date
19411941-03-141941-03-14
19431943-08-031943-08-15
19441944-12-241944-12-24
19511951-01-301951-08-27
19521952-08-241952-11-16
19551955-07-221955-07-25
19571957-10-311957-10-31
19581958-09-121958-09-12
19591959-10-301959-10-30
19631963-10-191963-10-19
19641964-09-141964-09-14
19661966-08-181966-09-13
19671967-12-141967-12-14
19691969-09-161969-09-16
19701970-09-051970-09-05
19721972-06-221972-10-19
19731973-07-121973-07-12
19741974-08-051974-08-05
19781978-08-201978-12-18
19831983-03-031983-09-29
19841984-07-211984-12-27
19871987-02-241987-12-17
19881988-10-141988-10-14
19891989-03-261989-03-26
19901990-08-141990-08-14
19911991-10-271991-10-27
19921992-07-241992-12-08
19931993-01-081993-11-14
19941994-09-021994-09-02
19951995-08-141995-11-01
19981998-07-221998-07-22
19991999-07-141999-09-19
20002000-03-062000-03-06
20032003-02-132003-02-13
20042004-03-042004-03-04
20062006-03-112006-07-25
20072007-11-302007-11-30
20082008-07-132008-07-13
20102010-01-212010-07-31
20132013-01-262013-11-22
20142014-09-082014-09-27
20182018-10-022018-10-13
20192019-02-212019-02-21
20202020-02-222020-02-22
20212021-12-242021-12-24
20252025-09-262025-10-12

Every Year

Days with 25 mm (0.98 in) or more of precipitation per year in Phoenix
YearDaysFirst dateLast dateLongest streak in yearCoverage
2025226 September 202512 October 20251 daysComplete
2021124 December 202124 December 20211 daysComplete
2020122 February 202022 February 20201 daysComplete
2019121 February 201921 February 20191 daysComplete
201822 October 201813 October 20181 daysComplete
201428 September 201427 September 20141 daysComplete
2013226 January 201322 November 20131 daysComplete
2010221 January 201031 July 20101 daysComplete
2008113 July 200813 July 20081 daysComplete
2007130 November 200730 November 20071 daysComplete
2006211 March 200625 July 20061 daysComplete
200414 March 20044 March 20041 daysComplete
2003113 February 200313 February 20031 daysComplete
200016 March 20006 March 20001 daysComplete
1999214 July 199919 September 19991 daysComplete
1998122 July 199822 July 19981 daysComplete
1995314 August 19951 November 19951 daysComplete
199412 September 19942 September 19941 daysComplete
199338 January 199314 November 19931 daysComplete
1992224 July 19928 December 19921 daysComplete
1991127 October 199127 October 19911 daysComplete
1990114 August 199014 August 19901 daysComplete
1989126 March 198926 March 19891 daysComplete
1988114 October 198814 October 19881 daysComplete
1987324 February 198717 December 19871 daysComplete
1984521 July 198427 December 19841 daysComplete
198333 March 198329 September 19831 daysComplete
1978220 August 197818 December 19781 daysComplete
197415 August 19745 August 19741 daysComplete
1973112 July 197312 July 19731 daysComplete
1972222 June 197219 October 19721 daysComplete
197015 September 19705 September 19701 daysComplete
1969116 September 196916 September 19691 daysComplete
1967114 December 196714 December 19671 daysComplete
1966218 August 196613 September 19661 daysComplete
1964114 September 196414 September 19641 daysComplete
1963119 October 196319 October 19631 daysComplete
1959130 October 195930 October 19591 daysComplete
1958112 September 195812 September 19581 daysComplete
1957131 October 195731 October 19571 daysComplete
1955322 July 195525 July 19552 daysComplete
1952224 August 195216 November 19521 daysComplete
1951230 January 195127 August 19511 daysComplete
1944124 December 194424 December 19441 daysComplete
194323 August 194315 August 19431 daysComplete
1941114 March 194114 March 19411 daysComplete
Decade averages for Days with 25 mm (0.98 in) or more of precipitation in Phoenix
DecadeAverage days per yearYears counted
1940s1.33
1950s1.76
1960s1.25
1970s1.45
1980s2.65
1990s1.88
2000s1.26
2010s1.85
2020s1.33

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 with 25 mm (0.98 in) or more of precipitation 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).