Days with 25 mm (0.98 in) or more of precipitation in Seattle

Seattle has had days with 25 mm (0.98 in) or more of precipitation in 78 years, most in 2015 with 14. Days per year, season span, streaks and every date.

Key Facts for Seattle

Seattle has had days with 25 mm (0.98 in) or more of precipitation in 78 years, 412 days in all.
The most in one year was 14 days in 2015.
In 2026, the latest year on file, there were 4 such days.
The earliest first date in a year was 1 January 1964.
The latest last date in a year was 31 December 1968.
The longest run inside a single year was 3 days in 1979.
1 year with under 90 percent of days observed is left out of these rankings.

Days per Year

78 years, 412 days

Days per year in Seattle with 25 mm (0.98 in) or more of precipitation. The line is the decade average. The most was 14 in 2015. Grey bars are years with under 90 percent of days observed, left out of rankings.

Days with 25 mm (0.98 in) or more of precipitation per year in Seattle
Year	Days	Decade average
1948	2	4
1949	6	4
1950	10	5.5
1951	3	5.5
1952	1	5.5
1953	9	5.5
1954	5	5.5
1955	8	5.5
1956	3	5.5
1957	2	5.5
1958	7	5.5
1959	7	5.5
1960	6	5.7
1961	2	5.7
1962	8	5.7
1963	5	5.7
1964	8	5.7
1965	4	5.7
1966	5	5.7
1967	5	5.7
1968	9	5.7
1969	5	5.7
1970	6	4.8
1971	2	4.8
1972	10	4.8
1973	4	4.8
1974	4	4.8
1975	9	4.8
1976	1	4.8
1977	4	4.8
1978	3	4.8
1979	5	4.8
1980	5	4.2
1981	4	4.2
1982	5	4.2
1983	4	4.2
1984	4	4.2
1985	2	4.2
1986	6	4.2
1987	6	4.2
1988	3	4.2
1989	3	4.2
1990	5	5.3
1991	5	5.3
1992	3	5.3
1993	1	5.3
1994	5	5.3
1995	6	5.3
1996	10	5.3
1997	6	5.3
1998	6	5.3
1999	6	5.3
2000	2	4.7
2001	7	4.7
2002	5	4.7
2003	4	4.7
2004	3	4.7
2005	3	4.7
2006	9	4.7
2007	6	4.7
2008	2	4.7
2009	6	4.7
2010	7	7
2011	3	7
2012	6	7
2013	6	7
2014	8	7
2015	14	7
2016	7	7
2017	11	7
2018	5	7
2019	3	7
2020	6	5.3
2021	4	5.3
2022	9	5.3
2023	4	5.3
2025	5	5.3
2026	4	5.3

Season Span

earliest 1 January, latest 31 December

For each year, a bar from the first to the last day in Seattle meeting 25 mm (0.98 in). Long bars mean a long season.

First to last qualifying date each year in Seattle
Year	First date	Last date
1948	1948-03-21	1948-09-26
1949	1949-02-16	1949-12-27
1950	1950-01-13	1950-11-30
1951	1951-01-21	1951-02-09
1952	1952-01-30	1952-01-30
1953	1953-01-02	1953-12-19
1954	1954-01-05	1954-12-12
1955	1955-02-07	1955-12-20
1956	1956-01-06	1956-12-09
1957	1957-02-24	1957-03-08
1958	1958-01-14	1958-12-20
1959	1959-01-08	1959-12-15
1960	1960-01-28	1960-12-18
1961	1961-02-24	1961-11-09
1962	1962-01-02	1962-12-29
1963	1963-02-02	1963-11-19
1964	1964-01-01	1964-12-22
1965	1965-02-26	1965-12-27
1966	1966-01-05	1966-12-12
1967	1967-01-04	1967-10-27
1968	1968-01-19	1968-12-31
1969	1969-02-08	1969-11-04
1970	1970-01-13	1970-12-30
1971	1971-11-03	1971-12-08
1972	1972-01-19	1972-12-25
1973	1973-01-13	1973-12-15
1974	1974-01-14	1974-12-26
1975	1975-01-12	1975-12-25
1976	1976-01-14	1976-01-14
1977	1977-08-23	1977-12-15
1978	1978-01-03	1978-11-03
1979	1979-12-01	1979-12-17
1980	1980-04-19	1980-12-30
1981	1981-09-27	1981-11-11
1982	1982-01-23	1982-12-03
1983	1983-01-04	1983-12-29
1984	1984-01-24	1984-11-03
1985	1985-06-06	1985-10-24
1986	1986-01-18	1986-11-24
1987	1987-01-31	1987-12-09
1988	1988-01-14	1988-11-16
1989	1989-11-11	1989-12-04
1990	1990-01-09	1990-11-24
1991	1991-02-19	1991-12-05
1992	1992-01-23	1992-12-10
1993	1993-03-22	1993-03-22
1994	1994-10-26	1994-12-26
1995	1995-02-18	1995-11-29
1996	1996-01-07	1996-12-31
1997	1997-01-02	1997-12-16
1998	1998-11-04	1998-12-27
1999	1999-02-27	1999-12-15
2000	2000-02-01	2000-11-26
2001	2001-06-11	2001-12-16
2002	2002-01-07	2002-12-14
2003	2003-03-12	2003-11-28
2004	2004-01-29	2004-10-08
2005	2005-01-17	2005-11-25
2006	2006-01-05	2006-12-26
2007	2007-01-02	2007-12-03
2008	2008-11-06	2008-11-07
2009	2009-01-06	2009-11-26
2010	2010-01-11	2010-12-12
2011	2011-03-09	2011-11-22
2012	2012-01-29	2012-11-30
2013	2013-01-09	2013-11-18
2014	2014-02-16	2014-11-28
2015	2015-01-17	2015-12-21
2016	2016-01-21	2016-11-15
2017	2017-01-17	2017-12-29
2018	2018-01-11	2018-11-27
2019	2019-02-11	2019-12-20
2020	2020-01-06	2020-12-21
2021	2021-01-02	2021-11-11
2022	2022-01-06	2022-12-26
2023	2023-11-04	2023-12-05
2025	2025-10-24	2025-12-16
2026	2026-03-11	2026-04-14

Every Year

Days with 25 mm (0.98 in) or more of precipitation per year in Seattle
Year	Days	First date	Last date	Longest streak in year	Coverage
2026	4	11 March 2026	14 April 2026	1 days	Incomplete, not ranked
2025	5	24 October 2025	16 December 2025	1 days	Complete
2023	4	4 November 2023	5 December 2023	2 days	Complete
2022	9	6 January 2022	26 December 2022	2 days	Complete
2021	4	2 January 2021	11 November 2021	1 days	Complete
2020	6	6 January 2020	21 December 2020	1 days	Complete
2019	3	11 February 2019	20 December 2019	2 days	Complete
2018	5	11 January 2018	27 November 2018	2 days	Complete
2017	11	17 January 2017	29 December 2017	2 days	Complete
2016	7	21 January 2016	15 November 2016	2 days	Complete
2015	14	17 January 2015	21 December 2015	2 days	Complete
2014	8	16 February 2014	28 November 2014	1 days	Complete
2013	6	9 January 2013	18 November 2013	1 days	Complete
2012	6	29 January 2012	30 November 2012	1 days	Complete
2011	3	9 March 2011	22 November 2011	1 days	Complete
2010	7	11 January 2010	12 December 2010	2 days	Complete
2009	6	6 January 2009	26 November 2009	2 days	Complete
2008	2	6 November 2008	7 November 2008	2 days	Complete
2007	6	2 January 2007	3 December 2007	2 days	Complete
2006	9	5 January 2006	26 December 2006	1 days	Complete
2005	3	17 January 2005	25 November 2005	1 days	Complete
2004	3	29 January 2004	8 October 2004	1 days	Complete
2003	4	12 March 2003	28 November 2003	1 days	Complete
2002	5	7 January 2002	14 December 2002	1 days	Complete
2001	7	11 June 2001	16 December 2001	2 days	Complete
2000	2	1 February 2000	26 November 2000	1 days	Complete
1999	6	27 February 1999	15 December 1999	2 days	Complete
1998	6	4 November 1998	27 December 1998	1 days	Complete
1997	6	2 January 1997	16 December 1997	2 days	Complete
1996	10	7 January 1996	31 December 1996	2 days	Complete
1995	6	18 February 1995	29 November 1995	2 days	Complete
1994	5	26 October 1994	26 December 1994	2 days	Complete
1993	1	22 March 1993	22 March 1993	1 days	Complete
1992	3	23 January 1992	10 December 1992	1 days	Complete
1991	5	19 February 1991	5 December 1991	2 days	Complete
1990	5	9 January 1990	24 November 1990	1 days	Complete
1989	3	11 November 1989	4 December 1989	1 days	Complete
1988	3	14 January 1988	16 November 1988	1 days	Complete
1987	6	31 January 1987	9 December 1987	2 days	Complete
1986	6	18 January 1986	24 November 1986	2 days	Complete
1985	2	6 June 1985	24 October 1985	1 days	Complete
1984	4	24 January 1984	3 November 1984	1 days	Complete
1983	4	4 January 1983	29 December 1983	2 days	Complete
1982	5	23 January 1982	3 December 1982	1 days	Complete
1981	4	27 September 1981	11 November 1981	2 days	Complete
1980	5	19 April 1980	30 December 1980	1 days	Complete
1979	5	1 December 1979	17 December 1979	3 days	Complete
1978	3	3 January 1978	3 November 1978	1 days	Complete
1977	4	23 August 1977	15 December 1977	1 days	Complete
1976	1	14 January 1976	14 January 1976	1 days	Complete
1975	9	12 January 1975	25 December 1975	2 days	Complete
1974	4	14 January 1974	26 December 1974	1 days	Complete
1973	4	13 January 1973	15 December 1973	1 days	Complete
1972	10	19 January 1972	25 December 1972	2 days	Complete
1971	2	3 November 1971	8 December 1971	1 days	Complete
1970	6	13 January 1970	30 December 1970	2 days	Complete
1969	5	8 February 1969	4 November 1969	1 days	Complete
1968	9	19 January 1968	31 December 1968	1 days	Complete
1967	5	4 January 1967	27 October 1967	1 days	Complete
1966	5	5 January 1966	12 December 1966	2 days	Complete
1965	4	26 February 1965	27 December 1965	1 days	Complete
1964	8	1 January 1964	22 December 1964	2 days	Complete
1963	5	2 February 1963	19 November 1963	1 days	Complete
1962	8	2 January 1962	29 December 1962	2 days	Complete
1961	2	24 February 1961	9 November 1961	1 days	Complete
1960	6	28 January 1960	18 December 1960	1 days	Complete
1959	7	8 January 1959	15 December 1959	2 days	Complete
1958	7	14 January 1958	20 December 1958	2 days	Complete
1957	2	24 February 1957	8 March 1957	1 days	Complete
1956	3	6 January 1956	9 December 1956	1 days	Complete
1955	8	7 February 1955	20 December 1955	2 days	Complete
1954	5	5 January 1954	12 December 1954	1 days	Complete
1953	9	2 January 1953	19 December 1953	1 days	Complete
1952	1	30 January 1952	30 January 1952	1 days	Complete
1951	3	21 January 1951	9 February 1951	2 days	Complete
1950	10	13 January 1950	30 November 1950	2 days	Complete
1949	6	16 February 1949	27 December 1949	1 days	Complete
1948	2	21 March 1948	26 September 1948	1 days	Complete

Decade averages for Days with 25 mm (0.98 in) or more of precipitation in Seattle
Decade	Average days per year	Years counted
1940s	4.0	2
1950s	5.5	10
1960s	5.7	10
1970s	4.8	10
1980s	4.2	10
1990s	5.3	10
2000s	4.7	10
2010s	7.0	10
2020s	5.6	5

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 25 mm (0.98 in) or more of precipitation 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).