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Built 2026-10-19 (19 October 2026)

Days with 50 mm (1.97 in) or more of precipitation in Washington, D.C.

Washington, D.C. has had days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 2020 with 7. Days per year, season span, streaks and every date.

Key Facts for Washington, D.C.

  • Washington, D.C. has had days with 50 mm (1.97 in) or more of precipitation in 63 years, 138 days in all.
  • The most in one year was 7 days in 2020.
  • In 2026, the latest year on file, there were 1 such days.
  • The earliest first date in a year was 9 January 2024.
  • The latest last date in a year was 24 December 1986.
  • The longest run inside a single year was 2 days in 1975.
  • 2 years with under 90 percent of days observed are left out of these rankings.

Days per Year

63 years, 138 days
Days with 50 mm (1.97 in) or more of precipitation per year in Washington, D.C. Days per year in Washington, D.C. with 50 mm (1.97 in) or more of precipitation. The line is the decade average. The most was 7 in 2020. Grey bars are years with under 90 percent of days observed, left out of rankings. 024681942: 31943: 11944: 21945: 11946: 11947: 11948: 21950: 31951: 21952: 31953: 41955: 31958: 31959: 11960: 11961: 11963: 41966: 21967: 21968: 11969: 41970: 31971: 31972: 21973: 11975: 41976: 11977: 11978: 21979: 21983: 11985: 21986: 11987: 11989: 11990: 11993: 21995: 31996: 11997: 31998: 11999: 22003: 32004: 52005: 42006: 42007: 22008: 42010: 12011: 32012: 12013: 32014: 22015: 32017: 12018: 52019: 12020: 72021: 22022: 12023: 12024: 12026: 11942195319691983199820122023
Days per year in Washington, D.C. with 50 mm (1.97 in) or more of precipitation. The line is the decade average. The most was 7 in 2020. Grey bars are years with under 90 percent of days observed, left out of rankings.
Days with 50 mm (1.97 in) or more of precipitation per year in Washington, D.C.
YearDaysDecade average
194231.6
194311.6
194421.6
194511.6
194611.6
194711.6
194821.6
195032.7
195122.7
195232.7
195342.7
195532.7
195832.7
195912.7
196012.1
196112.1
196342.1
196622.1
196722.1
196812.1
196942.1
197032.1
197132.1
197222.1
197312.1
197542.1
197612.1
197712.1
197822.1
197922.1
198311.2
198521.2
198611.2
198711.2
198911.2
199011.9
199321.9
199531.9
199611.9
199731.9
199811.9
199921.9
200333.7
200453.7
200543.7
200643.7
200723.7
200843.7
201012.2
201132.2
201212.2
201332.2
201422.2
201532.2
201712.2
201852.2
201912.2
202072.2
202122.2
202212.2
202312.2
202412.2
202612.2

Season Span

earliest 9 January, latest 24 December
First to last qualifying date each year in Washington, D.C. For each year, a bar from the first to the last day in Washington, D.C. meeting 50 mm (1.97 in). Long bars mean a long season. 1942: 26 June 1942 to 15 October 19421943: 8 November 1943 to 8 November 19431944: 2 August 1944 to 13 September 19441945: 17 July 1945 to 17 July 19451946: 6 August 1946 to 6 August 19461947: 7 June 1947 to 7 June 19471948: 13 May 1948 to 1 August 19481950: 19 August 1950 to 10 September 19501951: 10 June 1951 to 28 July 19511952: 9 July 1952 to 21 November 19521953: 5 May 1953 to 29 October 19531955: 12 August 1955 to 14 October 19551958: 19 March 1958 to 25 August 19581959: 2 June 1959 to 2 June 19591960: 12 September 1960 to 12 September 19601961: 23 August 1961 to 23 August 19611963: 3 June 1963 to 6 November 19631966: 14 September 1966 to 19 October 19661967: 2 July 1967 to 24 August 19671968: 12 June 1968 to 12 June 19681969: 22 July 1969 to 8 September 19691970: 14 April 1970 to 4 November 19701971: 27 August 1971 to 25 October 19711972: 21 June 1972 to 28 October 19721973: 20 August 1973 to 20 August 19731975: 22 May 1975 to 26 September 19751976: 16 September 1976 to 16 September 19761977: 18 December 1977 to 18 December 19771978: 26 March 1978 to 30 August 19781979: 5 September 1979 to 21 September 19791983: 28 June 1983 to 28 June 19831985: 10 September 1985 to 27 September 19851986: 24 December 1986 to 24 December 19861987: 12 September 1987 to 12 September 19871989: 5 May 1989 to 5 May 19891990: 9 June 1990 to 9 June 19901993: 13 March 1993 to 28 November 19931995: 8 March 1995 to 14 October 19951996: 8 November 1996 to 8 November 19961997: 25 May 1997 to 7 November 19971998: 4 February 1998 to 4 February 19981999: 26 August 1999 to 16 September 19992003: 16 February 2003 to 18 September 20032004: 4 July 2004 to 12 November 20042005: 20 May 2005 to 8 October 20052006: 19 June 2006 to 1 September 20062007: 15 April 2007 to 26 October 20072008: 1 February 2008 to 6 September 20082010: 30 September 2010 to 30 September 20102011: 27 August 2011 to 7 December 20112012: 29 October 2012 to 29 October 20122013: 10 June 2013 to 11 October 20132014: 30 April 2014 to 16 May 20142015: 1 June 2015 to 27 June 20152017: 28 July 2017 to 28 July 20172018: 17 July 2018 to 15 December 20182019: 8 July 2019 to 8 July 20192020: 13 April 2020 to 30 November 20202021: 14 August 2021 to 20 August 20212022: 9 July 2022 to 9 July 20222023: 21 November 2023 to 21 November 20232024: 9 January 2024 to 9 January 20242026: 25 January 2026 to 25 January 202619421951196319731986199820102019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Washington, D.C. meeting 50 mm (1.97 in). Long bars mean a long season.
First to last qualifying date each year in Washington, D.C.
YearFirst dateLast date
19421942-06-261942-10-15
19431943-11-081943-11-08
19441944-08-021944-09-13
19451945-07-171945-07-17
19461946-08-061946-08-06
19471947-06-071947-06-07
19481948-05-131948-08-01
19501950-08-191950-09-10
19511951-06-101951-07-28
19521952-07-091952-11-21
19531953-05-051953-10-29
19551955-08-121955-10-14
19581958-03-191958-08-25
19591959-06-021959-06-02
19601960-09-121960-09-12
19611961-08-231961-08-23
19631963-06-031963-11-06
19661966-09-141966-10-19
19671967-07-021967-08-24
19681968-06-121968-06-12
19691969-07-221969-09-08
19701970-04-141970-11-04
19711971-08-271971-10-25
19721972-06-211972-10-28
19731973-08-201973-08-20
19751975-05-221975-09-26
19761976-09-161976-09-16
19771977-12-181977-12-18
19781978-03-261978-08-30
19791979-09-051979-09-21
19831983-06-281983-06-28
19851985-09-101985-09-27
19861986-12-241986-12-24
19871987-09-121987-09-12
19891989-05-051989-05-05
19901990-06-091990-06-09
19931993-03-131993-11-28
19951995-03-081995-10-14
19961996-11-081996-11-08
19971997-05-251997-11-07
19981998-02-041998-02-04
19991999-08-261999-09-16
20032003-02-162003-09-18
20042004-07-042004-11-12
20052005-05-202005-10-08
20062006-06-192006-09-01
20072007-04-152007-10-26
20082008-02-012008-09-06
20102010-09-302010-09-30
20112011-08-272011-12-07
20122012-10-292012-10-29
20132013-06-102013-10-11
20142014-04-302014-05-16
20152015-06-012015-06-27
20172017-07-282017-07-28
20182018-07-172018-12-15
20192019-07-082019-07-08
20202020-04-132020-11-30
20212021-08-142021-08-20
20222022-07-092022-07-09
20232023-11-212023-11-21
20242024-01-092024-01-09
20262026-01-252026-01-25

Every Year

Days with 50 mm (1.97 in) or more of precipitation per year in Washington, D.C.
YearDaysFirst dateLast dateLongest streak in yearCoverage
2026125 January 202625 January 20261 daysIncomplete, not ranked
202419 January 20249 January 20241 daysComplete
2023121 November 202321 November 20231 daysComplete
202219 July 20229 July 20221 daysComplete
2021214 August 202120 August 20211 daysComplete
2020713 April 202030 November 20201 daysComplete
201918 July 20198 July 20191 daysComplete
2018517 July 201815 December 20181 daysComplete
2017128 July 201728 July 20171 daysComplete
201531 June 201527 June 20151 daysComplete
2014230 April 201416 May 20141 daysComplete
2013310 June 201311 October 20131 daysComplete
2012129 October 201229 October 20121 daysComplete
2011327 August 20117 December 20111 daysComplete
2010130 September 201030 September 20101 daysComplete
200841 February 20086 September 20081 daysComplete
2007215 April 200726 October 20071 daysComplete
2006419 June 20061 September 20062 daysComplete
2005420 May 20058 October 20052 daysComplete
200454 July 200412 November 20041 daysComplete
2003316 February 200318 September 20031 daysComplete
1999226 August 199916 September 19991 daysComplete
199814 February 19984 February 19981 daysComplete
1997325 May 19977 November 19971 daysComplete
199618 November 19968 November 19961 daysComplete
199538 March 199514 October 19951 daysComplete
1993213 March 199328 November 19931 daysComplete
199019 June 19909 June 19901 daysComplete
198915 May 19895 May 19891 daysComplete
1987112 September 198712 September 19871 daysComplete
1986124 December 198624 December 19861 daysComplete
1985210 September 198527 September 19851 daysComplete
1983128 June 198328 June 19831 daysComplete
197925 September 197921 September 19791 daysComplete
1978226 March 197830 August 19781 daysComplete
1977118 December 197718 December 19771 daysComplete
1976116 September 197616 September 19761 daysComplete
1975422 May 197526 September 19752 daysComplete
1973120 August 197320 August 19731 daysComplete
1972221 June 197228 October 19721 daysComplete
1971327 August 197125 October 19711 daysComplete
1970314 April 19704 November 19701 daysComplete
1969422 July 19698 September 19691 daysComplete
1968112 June 196812 June 19681 daysComplete
196722 July 196724 August 19671 daysComplete
1966214 September 196619 October 19661 daysComplete
196343 June 19636 November 19631 daysComplete
1961123 August 196123 August 19611 daysComplete
1960112 September 196012 September 19601 daysComplete
195912 June 19592 June 19591 daysComplete
1958319 March 195825 August 19581 daysComplete
1955312 August 195514 October 19551 daysComplete
195345 May 195329 October 19531 daysComplete
195239 July 195221 November 19521 daysComplete
1951210 June 195128 July 19511 daysComplete
1950319 August 195010 September 19501 daysComplete
1948213 May 19481 August 19481 daysComplete
194717 June 19477 June 19471 daysComplete
194616 August 19466 August 19461 daysComplete
1945117 July 194517 July 19451 daysComplete
194422 August 194413 September 19441 daysComplete
194318 November 19438 November 19431 daysComplete
1942326 June 194215 October 19421 daysComplete
Decade averages for Days with 50 mm (1.97 in) or more of precipitation in Washington, D.C.
DecadeAverage days per yearYears counted
1940s1.67
1950s2.77
1960s2.17
1970s2.19
1980s1.25
1990s1.97
2000s3.76
2010s2.29
2020s2.45

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 50 mm (1.97 in) or more of precipitation in Washington, D.C., 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).