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Built 2026-10-19 (19 October 2026)

Santa Monica Pier Threshold Days by Year (USC00047953)

9 fixed thresholds counted per year at Santa Monica Pier (USC00047953): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santa Monica Pier Thresholds

  • Santa Monica Pier: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1965 with 20.
  • Santa Monica Pier: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1965 with 10.
  • Santa Monica Pier: nights with a minimum temperature at or above 20 C (68 F) in 39 years, most in 1984 with 32.
  • Santa Monica Pier: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1939 with 10.
  • 9 fixed thresholds have at least one qualifying day at Santa Monica Pier.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Santa Monica Pier Days per year at Santa Monica Pier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 1939. 0358101939: 101941: 41943: 21945: 41946: 21947: 31950: 21951: 11953: 51954: 11955: 31956: 31957: 21958: 11959: 11961: 31963: 21964: 21965: 31966: 21967: 21970: 21971: 21972: 21975: 21976: 81977: 11987: 21988: 11989: 11990: 21991: 31994: 21997: 21998: 11999: 22004: 11939194619531957196319671975198819942004
Days per year at Santa Monica Pier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 1939.
Days at or above 30 C (86 F) per year at Santa Monica Pier
YearDaysDecade average
19391010
194143
194323
194543
194623
194733
195022.1
195112.1
195352.1
195412.1
195532.1
195632.1
195722.1
195812.1
195912.1
196132.3
196322.3
196422.3
196532.3
196622.3
196722.3
197022.8
197122.8
197222.8
197522.8
197682.8
197712.8
198721.3
198811.3
198911.3
199022
199132
199422
199722
199812
199922
200411
First to last qualifying date each year at Santa Monica Pier For each year, a bar from the first to the last day at Santa Monica Pier meeting 30 C (86 F). 1939: 28 August 1939 to 31 October 19391941: 10 March 1941 to 7 November 19411943: 13 February 1943 to 28 July 19431945: 18 August 1945 to 4 October 19451946: 18 September 1946 to 10 October 19461947: 12 April 1947 to 9 August 19471950: 29 March 1950 to 13 October 19501951: 7 October 1951 to 7 October 19511953: 4 May 1953 to 25 November 19531954: 29 July 1954 to 29 July 19541955: 31 August 1955 to 2 September 19551956: 28 June 1956 to 9 November 19561957: 17 June 1957 to 18 June 19571958: 29 October 1958 to 29 October 19581959: 10 July 1959 to 10 July 19591961: 14 October 1961 to 16 October 19611963: 27 September 1963 to 29 November 19631964: 17 March 1964 to 18 March 19641965: 22 October 1965 to 25 October 19651966: 1 November 1966 to 2 November 19661967: 15 October 1967 to 16 October 19671970: 27 September 1970 to 29 September 19701971: 5 October 1971 to 6 October 19711972: 5 October 1972 to 6 October 19721975: 12 November 1975 to 13 November 19751976: 25 June 1976 to 5 November 19761977: 10 November 1977 to 10 November 19771987: 6 February 1987 to 4 October 19871988: 9 October 1988 to 9 October 19881989: 18 November 1989 to 18 November 19891990: 9 October 1990 to 10 October 19901991: 13 August 1991 to 12 October 19911994: 8 October 1994 to 9 October 19941997: 15 October 1997 to 16 October 19971998: 3 September 1998 to 3 September 19981999: 7 October 1999 to 8 October 19992004: 5 September 2004 to 5 September 200419391947195519611967197619901999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santa Monica Pier meeting 30 C (86 F).
First to last qualifying date each year at Santa Monica Pier
YearFirst dateLast date
19391939-08-281939-10-31
19411941-03-101941-11-07
19431943-02-131943-07-28
19451945-08-181945-10-04
19461946-09-181946-10-10
19471947-04-121947-08-09
19501950-03-291950-10-13
19511951-10-071951-10-07
19531953-05-041953-11-25
19541954-07-291954-07-29
19551955-08-311955-09-02
19561956-06-281956-11-09
19571957-06-171957-06-18
19581958-10-291958-10-29
19591959-07-101959-07-10
19611961-10-141961-10-16
19631963-09-271963-11-29
19641964-03-171964-03-18
19651965-10-221965-10-25
19661966-11-011966-11-02
19671967-10-151967-10-16
19701970-09-271970-09-29
19711971-10-051971-10-06
19721972-10-051972-10-06
19751975-11-121975-11-13
19761976-06-251976-11-05
19771977-11-101977-11-10
19871987-02-061987-10-04
19881988-10-091988-10-09
19891989-11-181989-11-18
19901990-10-091990-10-10
19911991-08-131991-10-12
19941994-10-081994-10-09
19971997-10-151997-10-16
19981998-09-031998-09-03
19991999-10-071999-10-08
20042004-09-052004-09-05

Every Fixed Threshold

Fixed thresholds at Santa Monica Pier
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days371019391
35 C (95 F): Days4219611
90 F (32.2 C): Days22319391
100 F (37.8 C): Days1119661
20 C (68 F): Tropical nights (min393219848
10 mm (0.39 in): Days with 10 mm or more rain5620196510
25 mm (0.98 in): Days with 25 mm or more rain521019655
50 mm (1.97 in): Days with 50 mm or more rain29319622
100 mm (3.94 in): Days with 100 mm or more rain6119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Santa Monica Pier 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).