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Built 2026-10-19 (19 October 2026)

Days with 50 mm (1.97 in) or more of precipitation in Los Angeles

Los Angeles has had days with 50 mm (1.97 in) or more of precipitation in 58 years, most in 1926 with 4. Days per year, season span, streaks and every date.

Key Facts for Los Angeles

  • Los Angeles has had days with 50 mm (1.97 in) or more of precipitation in 58 years, 115 days in all.
  • The most in one year was 4 days in 1926.
  • In 2025, the latest year on file, there were 2 such days.
  • The earliest first date in a year was 1 January 1934.
  • The latest last date in a year was 31 December 1909.
  • The longest run inside a single year was 2 days in 1921.
  • 5 years with under 90 percent of days observed are left out of these rankings.

Days per Year

58 years, 115 days
Days with 50 mm (1.97 in) or more of precipitation per year in Los Angeles Days per year in Los Angeles with 50 mm (1.97 in) or more of precipitation. The line is the decade average. The most was 4 in 1926. Grey bars are years with under 90 percent of days observed, left out of rankings. 012341909: 31913: 11921: 21926: 41927: 21931: 21933: 31934: 11935: 21937: 21938: 41939: 21941: 11943: 21944: 21945: 11946: 11951: 11952: 41954: 11956: 11958: 11962: 21965: 21966: 11967: 41969: 41970: 11971: 11973: 11974: 21977: 21978: 31979: 21980: 31983: 11986: 11990: 11991: 11992: 21993: 31995: 31996: 21998: 22001: 32003: 22004: 22005: 42010: 12011: 12014: 12015: 12017: 22019: 12021: 22023: 42024: 22025: 2190919381956197419932014
Days per year in Los Angeles with 50 mm (1.97 in) or more of precipitation. The line is the decade average. The most was 4 in 1926. 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 Los Angeles
YearDaysDecade average
190933
191311
192122.7
192642.7
192722.7
193122.3
193332.3
193412.3
193522.3
193722.3
193842.3
193922.3
194111.4
194321.4
194421.4
194511.4
194611.4
195111.6
195241.6
195411.6
195611.6
195811.6
196222.6
196522.6
196612.6
196742.6
196942.6
197011.7
197111.7
197311.7
197421.7
197721.7
197831.7
197921.7
198031.7
198311.7
198611.7
199012
199112
199222
199332
199532
199622
199822
200132.8
200322.8
200422.8
200542.8
201011.2
201111.2
201411.2
201511.2
201721.2
201911.2
202122.5
202342.5
202422.5
202522.5

Season Span

earliest 1 January, latest 31 December
First to last qualifying date each year in Los Angeles For each year, a bar from the first to the last day in Los Angeles meeting 50 mm (1.97 in). Long bars mean a long season. 1909: 21 January 1909 to 31 December 19091913: 24 February 1913 to 24 February 19131921: 19 December 1921 to 20 December 19211926: 31 January 1926 to 24 November 19261927: 4 February 1927 to 15 February 19271931: 4 February 1931 to 28 December 19311933: 16 January 1933 to 31 December 19331934: 1 January 1934 to 1 January 19341935: 2 March 1935 to 8 April 19351937: 6 February 1937 to 13 February 19371938: 1 February 1938 to 18 December 19381939: 21 January 1939 to 25 September 19391941: 28 February 1941 to 28 February 19411943: 22 January 1943 to 3 March 19431944: 20 February 1944 to 22 February 19441945: 22 December 1945 to 22 December 19451946: 25 December 1946 to 25 December 19461951: 29 December 1951 to 29 December 19511952: 15 January 1952 to 15 March 19521954: 13 February 1954 to 13 February 19541956: 26 January 1956 to 26 January 19561958: 19 February 1958 to 19 February 19581962: 8 February 1962 to 10 February 19621965: 22 November 1965 to 29 December 19651966: 7 November 1966 to 7 November 19661967: 22 January 1967 to 21 November 19671969: 20 January 1969 to 23 February 19691970: 29 November 1970 to 29 November 19701971: 24 December 1971 to 24 December 19711973: 16 January 1973 to 16 January 19731974: 6 January 1974 to 7 January 19741977: 8 May 1977 to 17 August 19771978: 28 February 1978 to 4 March 19781979: 5 January 1979 to 27 March 19791980: 9 January 1980 to 16 February 19801983: 1 March 1983 to 1 March 19831986: 14 February 1986 to 14 February 19861990: 17 February 1990 to 17 February 19901991: 27 February 1991 to 27 February 19911992: 2 March 1992 to 7 December 19921993: 6 January 1993 to 18 February 19931995: 4 January 1995 to 10 March 19951996: 31 January 1996 to 20 February 19961998: 9 January 1998 to 14 February 19982001: 10 January 2001 to 25 February 20012003: 12 February 2003 to 15 March 20032004: 25 February 2004 to 28 December 20042005: 9 January 2005 to 21 February 20052010: 19 December 2010 to 19 December 20102011: 20 March 2011 to 20 March 20112014: 28 February 2014 to 28 February 20142015: 15 September 2015 to 15 September 20152017: 22 January 2017 to 17 February 20172019: 14 February 2019 to 14 February 20192021: 14 December 2021 to 30 December 20212023: 9 January 2023 to 20 August 20232024: 4 February 2024 to 5 February 20242025: 13 February 2025 to 24 December 202519091935194619661978199320102024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Los Angeles meeting 50 mm (1.97 in). Long bars mean a long season.
First to last qualifying date each year in Los Angeles
YearFirst dateLast date
19091909-01-211909-12-31
19131913-02-241913-02-24
19211921-12-191921-12-20
19261926-01-311926-11-24
19271927-02-041927-02-15
19311931-02-041931-12-28
19331933-01-161933-12-31
19341934-01-011934-01-01
19351935-03-021935-04-08
19371937-02-061937-02-13
19381938-02-011938-12-18
19391939-01-211939-09-25
19411941-02-281941-02-28
19431943-01-221943-03-03
19441944-02-201944-02-22
19451945-12-221945-12-22
19461946-12-251946-12-25
19511951-12-291951-12-29
19521952-01-151952-03-15
19541954-02-131954-02-13
19561956-01-261956-01-26
19581958-02-191958-02-19
19621962-02-081962-02-10
19651965-11-221965-12-29
19661966-11-071966-11-07
19671967-01-221967-11-21
19691969-01-201969-02-23
19701970-11-291970-11-29
19711971-12-241971-12-24
19731973-01-161973-01-16
19741974-01-061974-01-07
19771977-05-081977-08-17
19781978-02-281978-03-04
19791979-01-051979-03-27
19801980-01-091980-02-16
19831983-03-011983-03-01
19861986-02-141986-02-14
19901990-02-171990-02-17
19911991-02-271991-02-27
19921992-03-021992-12-07
19931993-01-061993-02-18
19951995-01-041995-03-10
19961996-01-311996-02-20
19981998-01-091998-02-14
20012001-01-102001-02-25
20032003-02-122003-03-15
20042004-02-252004-12-28
20052005-01-092005-02-21
20102010-12-192010-12-19
20112011-03-202011-03-20
20142014-02-282014-02-28
20152015-09-152015-09-15
20172017-01-222017-02-17
20192019-02-142019-02-14
20212021-12-142021-12-30
20232023-01-092023-08-20
20242024-02-042024-02-05
20252025-02-132025-12-24

Every Year

Days with 50 mm (1.97 in) or more of precipitation per year in Los Angeles
YearDaysFirst dateLast dateLongest streak in yearCoverage
2025213 February 202524 December 20251 daysComplete
202424 February 20245 February 20242 daysComplete
202349 January 202320 August 20232 daysComplete
2021214 December 202130 December 20211 daysComplete
2019114 February 201914 February 20191 daysComplete
2017222 January 201717 February 20171 daysComplete
2015115 September 201515 September 20151 daysComplete
2014128 February 201428 February 20141 daysComplete
2011120 March 201120 March 20111 daysComplete
2010119 December 201019 December 20101 daysComplete
200549 January 200521 February 20051 daysComplete
2004225 February 200428 December 20041 daysComplete
2003212 February 200315 March 20031 daysComplete
2001310 January 200125 February 20011 daysComplete
199829 January 199814 February 19981 daysComplete
1996231 January 199620 February 19961 daysComplete
199534 January 199510 March 19951 daysComplete
199336 January 199318 February 19932 daysComplete
199222 March 19927 December 19921 daysComplete
1991127 February 199127 February 19911 daysComplete
1990117 February 199017 February 19901 daysComplete
1986114 February 198614 February 19861 daysComplete
198311 March 19831 March 19831 daysComplete
198039 January 198016 February 19801 daysComplete
197925 January 197927 March 19791 daysComplete
1978328 February 19784 March 19782 daysComplete
197728 May 197717 August 19771 daysComplete
197426 January 19747 January 19742 daysComplete
1973116 January 197316 January 19731 daysComplete
1971124 December 197124 December 19711 daysComplete
1970129 November 197029 November 19701 daysComplete
1969420 January 196923 February 19692 daysComplete
1967422 January 196721 November 19671 daysComplete
196617 November 19667 November 19661 daysComplete
1965222 November 196529 December 19651 daysComplete
196228 February 196210 February 19621 daysComplete
1958119 February 195819 February 19581 daysComplete
1956126 January 195626 January 19561 daysComplete
1954113 February 195413 February 19541 daysComplete
1952415 January 195215 March 19521 daysComplete
1951129 December 195129 December 19511 daysComplete
1946125 December 194625 December 19461 daysComplete
1945122 December 194522 December 19451 daysComplete
1944220 February 194422 February 19441 daysComplete
1943222 January 19433 March 19431 daysComplete
1941128 February 194128 February 19411 daysComplete
1939221 January 193925 September 19391 daysComplete
193841 February 193818 December 19381 daysComplete
193726 February 193713 February 19371 daysComplete
193522 March 19358 April 19351 daysComplete
193411 January 19341 January 19340 daysComplete
1933316 January 193331 December 19332 daysComplete
193124 February 193128 December 19311 daysComplete
192724 February 192715 February 19271 daysComplete
1926431 January 192624 November 19261 daysComplete
1921219 December 192120 December 19212 daysComplete
1913124 February 191324 February 19131 daysComplete
1909321 January 190931 December 19091 daysComplete
Decade averages for Days with 50 mm (1.97 in) or more of precipitation in Los Angeles
DecadeAverage days per yearYears counted
1900s3.01
1910s1.01
1920s2.73
1930s2.37
1940s1.45
1950s1.65
1960s2.65
1970s1.77
1980s1.73
1990s2.07
2000s2.84
2010s1.26
2020s2.54

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 Los Angeles, 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).