Nights at or below 0 C (32 F) in Seattle

Seattle has had nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1985 with 76. Days per year, season span, streaks and every date.

Key Facts for Seattle

Seattle has had nights with a minimum temperature at or below 0 C (32 F) in 79 years, 2,489 days in all.
The most in one year was 76 days in 1985.
In 2026, the latest year on file, there were 13 such days.
The earliest first date in a year was 1 January 1949.
The latest last date in a year was 31 December 1948.
The longest run inside a single year was 21 days in 1949.
1 year with under 90 percent of days observed is left out of these rankings.

Days per Year

79 years, 2,489 days

Days per year in Seattle with a minimum temperature at or below 0 C (32 F). The line is the decade average. The most was 76 in 1985. Grey bars are years with under 90 percent of days observed, left out of rankings.

Nights at or below 0 C (32 F) per year in Seattle
Year	Days	Decade average
1948	71	69
1949	67	69
1950	48	48.4
1951	74	48.4
1952	57	48.4
1953	28	48.4
1954	60	48.4
1955	62	48.4
1956	59	48.4
1957	43	48.4
1958	22	48.4
1959	31	48.4
1960	45	32.1
1961	26	32.1
1962	40	32.1
1963	45	32.1
1964	42	32.1
1965	27	32.1
1966	22	32.1
1967	24	32.1
1968	22	32.1
1969	28	32.1
1970	20	30.5
1971	42	30.5
1972	32	30.5
1973	17	30.5
1974	28	30.5
1975	48	30.5
1976	30	30.5
1977	28	30.5
1978	28	30.5
1979	32	30.5
1980	36	30.7
1981	22	30.7
1982	30	30.7
1983	19	30.7
1984	21	30.7
1985	76	30.7
1986	17	30.7
1987	32	30.7
1988	19	30.7
1989	35	30.7
1990	30	27
1991	25	27
1992	22	27
1993	51	27
1994	28	27
1995	18	27
1996	39	27
1997	24	27
1998	18	27
1999	15	27
2000	27	28.3
2001	23	28.3
2002	24	28.3
2003	24	28.3
2004	17	28.3
2005	40	28.3
2006	25	28.3
2007	30	28.3
2008	25	28.3
2009	48	28.3
2010	10	21.9
2011	37	21.9
2012	21	21.9
2013	30	21.9
2014	22	21.9
2015	15	21.9
2016	15	21.9
2017	31	21.9
2018	12	21.9
2019	26	21.9
2020	16	23.1
2021	19	23.1
2022	36	23.1
2023	30	23.1
2024	18	23.1
2025	30	23.1
2026	13	23.1

Season Span

earliest 1 January, latest 31 December

For each year, a bar from the first to the last day in Seattle meeting 0 C (32 F). Long bars mean a long season.

First to last qualifying date each year in Seattle
Year	First date	Last date
1948	1948-01-05	1948-12-31
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-12-30
1951	1951-01-05	1951-12-31
1952	1952-01-01	1952-12-24
1953	1953-01-05	1953-12-23
1954	1954-01-11	1954-12-27
1955	1955-01-02	1955-12-31
1956	1956-01-07	1956-12-30
1957	1957-01-05	1957-12-30
1958	1958-01-06	1958-12-14
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-30
1961	1961-01-02	1961-12-13
1962	1962-01-01	1962-12-27
1963	1963-01-05	1963-12-29
1964	1964-01-06	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-03	1966-12-27
1967	1967-01-04	1967-12-21
1968	1968-01-02	1968-12-31
1969	1969-01-08	1969-11-30
1970	1970-01-04	1970-12-31
1971	1971-01-01	1971-12-30
1972	1972-01-02	1972-12-15
1973	1973-01-03	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-08	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-28
1980	1980-01-05	1980-12-09
1981	1981-01-03	1981-12-31
1982	1982-01-02	1982-12-31
1983	1983-01-01	1983-12-29
1984	1984-01-14	1984-12-31
1985	1985-01-01	1985-12-28
1986	1986-01-04	1986-12-10
1987	1987-01-05	1987-12-31
1988	1988-01-01	1988-12-28
1989	1989-01-06	1989-12-27
1990	1990-01-18	1990-12-30
1991	1991-01-03	1991-12-17
1992	1992-01-06	1992-12-31
1993	1993-01-01	1993-12-28
1994	1994-01-30	1994-12-30
1995	1995-01-02	1995-12-26
1996	1996-01-18	1996-12-29
1997	1997-01-12	1997-12-26
1998	1998-01-02	1998-12-24
1999	1999-01-02	1999-12-28
2000	2000-01-12	2000-12-20
2001	2001-01-15	2001-12-30
2002	2002-01-16	2002-12-23
2003	2003-01-15	2003-12-31
2004	2004-01-01	2004-12-28
2005	2005-01-02	2005-12-17
2006	2006-02-15	2006-12-30
2007	2007-01-04	2007-12-25
2008	2008-01-15	2008-12-26
2009	2009-01-03	2009-12-29
2010	2010-02-10	2010-12-31
2011	2011-01-01	2011-12-31
2012	2012-01-11	2012-12-31
2013	2013-01-01	2013-12-27
2014	2014-01-05	2014-12-31
2015	2015-01-01	2015-12-31
2016	2016-01-01	2016-12-31
2017	2017-01-01	2017-12-26
2018	2018-01-01	2018-12-05
2019	2019-01-02	2019-12-26
2020	2020-01-09	2020-12-24
2021	2021-01-09	2021-12-31
2022	2022-01-01	2022-12-23
2023	2023-01-02	2023-12-24
2024	2024-01-11	2024-12-10
2025	2025-01-13	2025-12-31
2026	2026-01-18	2026-03-30

Every Year

Nights at or below 0 C (32 F) per year in Seattle
Year	Days	First date	Last date	Longest streak in year	Coverage
2026	13	18 January 2026	30 March 2026	9 days	Incomplete, not ranked
2025	30	13 January 2025	31 December 2025	14 days	Complete
2024	18	11 January 2024	10 December 2024	7 days	Complete
2023	30	2 January 2023	24 December 2023	8 days	Complete
2022	36	1 January 2022	23 December 2022	9 days	Complete
2021	19	9 January 2021	31 December 2021	9 days	Complete
2020	16	9 January 2020	24 December 2020	3 days	Complete
2019	26	2 January 2019	26 December 2019	9 days	Complete
2018	12	1 January 2018	5 December 2018	6 days	Complete
2017	31	1 January 2017	26 December 2017	7 days	Complete
2016	15	1 January 2016	31 December 2016	8 days	Complete
2015	15	1 January 2015	31 December 2015	6 days	Complete
2014	22	5 January 2014	31 December 2014	7 days	Complete
2013	30	1 January 2013	27 December 2013	13 days	Complete
2012	21	11 January 2012	31 December 2012	6 days	Complete
2011	37	1 January 2011	31 December 2011	6 days	Complete
2010	10	10 February 2010	31 December 2010	6 days	Complete
2009	48	3 January 2009	29 December 2009	12 days	Complete
2008	25	15 January 2008	26 December 2008	12 days	Complete
2007	30	4 January 2007	25 December 2007	7 days	Complete
2006	25	15 February 2006	30 December 2006	6 days	Complete
2005	40	2 January 2005	17 December 2005	6 days	Complete
2004	17	1 January 2004	28 December 2004	2 days	Complete
2003	24	15 January 2003	31 December 2003	12 days	Complete
2002	24	16 January 2002	23 December 2002	4 days	Complete
2001	23	15 January 2001	30 December 2001	7 days	Complete
2000	27	12 January 2000	20 December 2000	5 days	Complete
1999	15	2 January 1999	28 December 1999	5 days	Complete
1998	18	2 January 1998	24 December 1998	6 days	Complete
1997	24	12 January 1997	26 December 1997	6 days	Complete
1996	39	18 January 1996	29 December 1996	11 days	Complete
1995	18	2 January 1995	26 December 1995	5 days	Complete
1994	28	30 January 1994	30 December 1994	11 days	Complete
1993	51	1 January 1993	28 December 1993	13 days	Complete
1992	22	6 January 1992	31 December 1992	17 days	Complete
1991	25	3 January 1991	17 December 1991	7 days	Complete
1990	30	18 January 1990	30 December 1990	8 days	Complete
1989	35	6 January 1989	27 December 1989	16 days	Complete
1988	19	1 January 1988	28 December 1988	4 days	Complete
1987	32	5 January 1987	31 December 1987	9 days	Complete
1986	17	4 January 1986	10 December 1986	4 days	Complete
1985	76	1 January 1985	28 December 1985	13 days	Complete
1984	21	14 January 1984	31 December 1984	7 days	Complete
1983	19	1 January 1983	29 December 1983	10 days	Complete
1982	30	2 January 1982	31 December 1982	6 days	Complete
1981	22	3 January 1981	31 December 1981	6 days	Complete
1980	36	5 January 1980	9 December 1980	7 days	Complete
1979	32	1 January 1979	28 December 1979	6 days	Complete
1978	28	1 January 1978	31 December 1978	13 days	Complete
1977	28	1 January 1977	31 December 1977	8 days	Complete
1976	30	1 January 1976	31 December 1976	6 days	Complete
1975	48	8 January 1975	31 December 1975	7 days	Complete
1974	28	1 January 1974	31 December 1974	3 days	Complete
1973	17	3 January 1973	31 December 1973	13 days	Complete
1972	32	2 January 1972	15 December 1972	13 days	Complete
1971	42	1 January 1971	30 December 1971	6 days	Complete
1970	20	4 January 1970	31 December 1970	8 days	Complete
1969	28	8 January 1969	30 November 1969	15 days	Complete
1968	22	2 January 1968	31 December 1968	5 days	Complete
1967	24	4 January 1967	21 December 1967	10 days	Complete
1966	22	3 January 1966	27 December 1966	3 days	Complete
1965	27	1 January 1965	31 December 1965	6 days	Complete
1964	42	6 January 1964	31 December 1964	5 days	Complete
1963	45	5 January 1963	29 December 1963	15 days	Complete
1962	40	1 January 1962	27 December 1962	9 days	Complete
1961	26	2 January 1961	13 December 1961	6 days	Complete
1960	45	1 January 1960	30 December 1960	12 days	Complete
1959	31	1 January 1959	31 December 1959	6 days	Complete
1958	22	6 January 1958	14 December 1958	6 days	Complete
1957	43	5 January 1957	30 December 1957	19 days	Complete
1956	59	7 January 1956	30 December 1956	12 days	Complete
1955	62	2 January 1955	31 December 1955	8 days	Complete
1954	60	11 January 1954	27 December 1954	13 days	Complete
1953	28	5 January 1953	23 December 1953	4 days	Complete
1952	57	1 January 1952	24 December 1952	10 days	Complete
1951	74	5 January 1951	31 December 1951	17 days	Complete
1950	48	1 January 1950	30 December 1950	12 days	Complete
1949	67	1 January 1949	31 December 1949	21 days	Complete
1948	71	5 January 1948	31 December 1948	11 days	Complete

Decade averages for Nights at or below 0 C (32 F) in Seattle
Decade	Average days per year	Years counted
1940s	69.0	2
1950s	48.4	10
1960s	32.1	10
1970s	30.5	10
1980s	30.7	10
1990s	27.0	10
2000s	28.3	10
2010s	21.9	10
2020s	24.8	6

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 Nights 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site from the threaded city record.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).