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Built 2026-10-14 (14 October 2026)

Days with a maximum at or below Ice days (max at or below 0 C) (32 F) in Seattle

Seattle has had days with a maximum temperature at or below Ice days (max at or below 0 C) (32 F) in 46 years, most in 1950 with 20. Days per year, season span, streaks and every date.

Key Facts for Seattle

  • Seattle has had days with a maximum temperature at or below Ice days (max at or below 0 C) (32 F) in 46 years, 189 days in all.
  • The most in one year was 20 days in 1950.
  • In 2024, the latest year on file, there were 3 such days.
  • The earliest first date in a year was 1 January 1950.
  • The latest last date in a year was 31 December 1984.
  • The longest run inside a single year was 10 days in 1969.
  • 1 year with under 90 percent of days observed is left out of these rankings.

Days per Year

46 years, 189 days
Days with a maximum at or below Ice days (max at or below 0 C) (32 F) per year in Seattle Days per year in Seattle with a maximum temperature at or below Ice days (max at or below 0 C) (32 F). The line is the decade average. The most was 20 in 1950. Grey bars are years with under 90 percent of days observed, left out of rankings. 051015201949: 91950: 201951: 41952: 21954: 41955: 71956: 41957: 41959: 21961: 11962: 21963: 51964: 31968: 31969: 101971: 31972: 131973: 31974: 11975: 11978: 41979: 11980: 51982: 21983: 51984: 21985: 101989: 41990: 81992: 11996: 31998: 62004: 32006: 12007: 32008: 62009: 32010: 32011: 12012: 22013: 12014: 22019: 12021: 62022: 22024: 319491962197819962013
Days per year in Seattle with a maximum temperature at or below Ice days (max at or below 0 C) (32 F). The line is the decade average. The most was 20 in 1950. Grey bars are years with under 90 percent of days observed, left out of rankings.
Days with a maximum at or below Ice days (max at or below 0 C) (32 F) per year in Seattle
YearDaysDecade average
194999
1950205.9
195145.9
195225.9
195445.9
195575.9
195645.9
195745.9
195925.9
196114
196224
196354
196434
196834
1969104
197133.7
1972133.7
197333.7
197413.7
197513.7
197843.7
197913.7
198054.7
198224.7
198354.7
198424.7
1985104.7
198944.7
199084.5
199214.5
199634.5
199864.5
200433.2
200613.2
200733.2
200863.2
200933.2
201031.7
201111.7
201221.7
201311.7
201421.7
201911.7
202163.7
202223.7
202433.7

Season Span

earliest 1 January, latest 31 December
First to last qualifying date each year in Seattle For each year, a bar from the first to the last day in Seattle meeting Ice days (max at or below 0 C) (32 F). Long bars mean a long season. 1949: 8 January 1949 to 19 December 19491950: 1 January 1950 to 2 February 19501951: 28 January 1951 to 31 December 19511952: 1 January 1952 to 3 January 19521954: 16 January 1954 to 20 January 19541955: 4 March 1955 to 17 November 19551956: 15 February 1956 to 6 December 19561957: 24 January 1957 to 27 January 19571959: 3 January 1959 to 4 January 19591961: 11 December 1961 to 11 December 19611962: 19 January 1962 to 20 January 19621963: 10 January 1963 to 30 January 19631964: 16 December 1964 to 18 December 19641968: 28 December 1968 to 30 December 19681969: 21 January 1969 to 30 January 19691971: 3 January 1971 to 28 December 19711972: 25 January 1972 to 12 December 19721973: 5 January 1973 to 7 January 19731974: 9 January 1974 to 9 January 19741975: 11 January 1975 to 11 January 19751978: 28 December 1978 to 31 December 19781979: 1 January 1979 to 1 January 19791980: 7 January 1980 to 29 January 19801982: 5 January 1982 to 6 January 19821983: 20 December 1983 to 24 December 19831984: 18 December 1984 to 31 December 19841985: 4 February 1985 to 27 December 19851989: 1 February 1989 to 4 February 19891990: 17 February 1990 to 29 December 19901992: 31 December 1992 to 31 December 19921996: 29 January 1996 to 26 December 19961998: 10 January 1998 to 23 December 19982004: 4 January 2004 to 6 January 20042006: 28 November 2006 to 28 November 20062007: 11 January 2007 to 13 January 20072008: 14 December 2008 to 21 December 20082009: 7 December 2009 to 9 December 20092010: 22 November 2010 to 24 November 20102011: 25 February 2011 to 25 February 20112012: 18 January 2012 to 19 January 20122013: 7 December 2013 to 7 December 20132014: 5 February 2014 to 6 February 20142019: 4 February 2019 to 4 February 20192021: 13 February 2021 to 31 December 20212022: 21 December 2022 to 22 December 20222024: 12 January 2024 to 14 January 202419491956196419741983199620092019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day in Seattle meeting Ice days (max at or below 0 C) (32 F). Long bars mean a long season.
First to last qualifying date each year in Seattle
YearFirst dateLast date
19491949-01-081949-12-19
19501950-01-011950-02-02
19511951-01-281951-12-31
19521952-01-011952-01-03
19541954-01-161954-01-20
19551955-03-041955-11-17
19561956-02-151956-12-06
19571957-01-241957-01-27
19591959-01-031959-01-04
19611961-12-111961-12-11
19621962-01-191962-01-20
19631963-01-101963-01-30
19641964-12-161964-12-18
19681968-12-281968-12-30
19691969-01-211969-01-30
19711971-01-031971-12-28
19721972-01-251972-12-12
19731973-01-051973-01-07
19741974-01-091974-01-09
19751975-01-111975-01-11
19781978-12-281978-12-31
19791979-01-011979-01-01
19801980-01-071980-01-29
19821982-01-051982-01-06
19831983-12-201983-12-24
19841984-12-181984-12-31
19851985-02-041985-12-27
19891989-02-011989-02-04
19901990-02-171990-12-29
19921992-12-311992-12-31
19961996-01-291996-12-26
19981998-01-101998-12-23
20042004-01-042004-01-06
20062006-11-282006-11-28
20072007-01-112007-01-13
20082008-12-142008-12-21
20092009-12-072009-12-09
20102010-11-222010-11-24
20112011-02-252011-02-25
20122012-01-182012-01-19
20132013-12-072013-12-07
20142014-02-052014-02-06
20192019-02-042019-02-04
20212021-02-132021-12-31
20222022-12-212022-12-22
20242024-01-122024-01-14

Every Year

Days with a maximum at or below Ice days (max at or below 0 C) (32 F) per year in Seattle
YearDaysFirst dateLast dateLongest streak in yearCoverage
2024312 January 202414 January 20243 daysComplete
2022221 December 202222 December 20222 daysComplete
2021613 February 202131 December 20214 daysComplete
201914 February 20194 February 20191 daysComplete
201425 February 20146 February 20142 daysComplete
201317 December 20137 December 20131 daysComplete
2012218 January 201219 January 20122 daysComplete
2011125 February 201125 February 20111 daysComplete
2010322 November 201024 November 20103 daysComplete
200937 December 20099 December 20093 daysComplete
2008614 December 200821 December 20083 daysComplete
2007311 January 200713 January 20073 daysComplete
2006128 November 200628 November 20061 daysComplete
200434 January 20046 January 20043 daysComplete
1998610 January 199823 December 19984 daysComplete
1996329 January 199626 December 19962 daysComplete
1992131 December 199231 December 19921 daysComplete
1990817 February 199029 December 19906 daysComplete
198941 February 19894 February 19894 daysComplete
1985104 February 198527 December 19854 daysComplete
1984218 December 198431 December 19841 daysComplete
1983520 December 198324 December 19835 daysComplete
198225 January 19826 January 19822 daysComplete
198057 January 198029 January 19803 daysComplete
197911 January 19791 January 19790 daysComplete
1978428 December 197831 December 19785 daysComplete
1975111 January 197511 January 19751 daysComplete
197419 January 19749 January 19741 daysComplete
197335 January 19737 January 19733 daysComplete
19721325 January 197212 December 19729 daysComplete
197133 January 197128 December 19711 daysComplete
19691021 January 196930 January 196910 daysComplete
1968328 December 196830 December 19683 daysComplete
1964316 December 196418 December 19643 daysComplete
1963510 January 196330 January 19634 daysComplete
1962219 January 196220 January 19622 daysComplete
1961111 December 196111 December 19611 daysComplete
195923 January 19594 January 19592 daysComplete
1957424 January 195727 January 19574 daysComplete
1956415 February 19566 December 19562 daysComplete
195574 March 195517 November 19556 daysComplete
1954416 January 195420 January 19543 daysComplete
195221 January 19523 January 19521 daysComplete
1951428 January 195131 December 19512 daysComplete
1950201 January 19502 February 19507 daysComplete
194998 January 194919 December 19493 daysComplete
Decade averages for Days with a maximum at or below Ice days (max at or below 0 C) (32 F) in Seattle
DecadeAverage days per yearYears counted
1940s9.01
1950s5.98
1960s4.06
1970s3.77
1980s4.76
1990s4.54
2000s3.25
2010s1.76
2020s3.73

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 a maximum at or below Ice days (max at or below 0 C) (32 F) in Seattle, 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).