Seattle Tacoma, WA: May

31 May 2026: May 2026 averaged 58.4°F in Seattle Tacoma, WA, the warmest May since 2023, 13th warmest of 82.

May 2026

Mean temperature: 58.4°F; Warmest since 2023; 13th warmest of 82
Precipitation: 1.14 in; Driest since 2025; 27th driest of 82

A normal May in Seattle Tacoma, WA (1991 to 2020): a mean temperature of 56.9°F, between 53.1°F and 59.8°F in eight years of ten and 1.93 in of precipitation, between 0.62 in and 3.21 in in eight years of ten.

The mean temperature of every May in Seattle Tacoma, WA since 1945: 58.4°F in 2026; the highest is 61.2°F, in 2018.

Normal range, 53.1 to 59.8°F

Every year, ranked, as a table

Every May in Seattle Tacoma, WA from 1945 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank
2026	58.4	13	67.4	18	49.4	13	1.14	56
2025	57	28	66.4	26	47.6	29	0.83	70
2024	55.6	42	64	43	47.2	36	1.54	43
2023	60.9	2	70.6	3	51.2	2	0.93	64
2022	52.6	75	60	78	45.2	64	3.82	2
2021	56.9	31	65.7	34	48.1	26	1.12	58
2020	59.3	9	68	12	50.5	6	3.12	10
2019	60.5	3	69.7	6	51.2	2	0.62	76
2018	61.2	1	70.8	2	51.5	1	0.12	81
2017	57.9	19	67	22	48.8	20	2.28	23
2016	59.8	6	68.8	8	50.7	4	0.94	62
2015	59.1	10	68	12	50.2	9	0.58	77
2014	59.1	10	67.8	16	50.4	8	3.15	9
2013	58.6	12	67.3	19	49.9	12	2.38	21
2012	55.3	45	63.8	48	46.7	44	2.05	27
2011	52.3	77	59.7	79	44.9	69	3.20	8
2010	53.2	68	60.8	71	45.5	62	2.83	16
2009	56.2	38	65.9	32	46.6	47	3.61	4
2008	56.1	39	63.9	45	48.3	24	0.89	67
2007	56.6	35	66.4	26	46.7	44	1.46	44
2006	56.8	33	66.1	30	47.5	31	1.65	37
2005	58.2	15	65.8	33	50.6	5	3.32	6
2004	57	28	64.8	40	49.1	16	2.51	19
2003	54.8	47	62.9	57	46.7	44	1.16	55
2002	53	71	60.8	71	45.3	63	1.11	59
2001	55.4	43	64.9	39	45.8	57	1.39	47
2000	53.8	65	60.6	73	47	38	3.27	7
1999	51.8	79	59.6	80	44	75	2.12	24
1998	54.8	47	61.3	70	48.4	22	1.98	28
1997	58.2	15	67	22	49.3	14	1.87	32
1996	53.1	70	60.5	75	45.7	60	2.07	26
1995	60.1	5	70	5	50.2	9	0.81	72
1994	58.1	17	67.3	19	49	17	1.43	45
1993	59.6	8	68.7	9	50.5	6	2.86	15
1992	59.8	6	71.2	1	48.4	22	0.12	81
1991	54.3	60	61.8	66	46.8	43	1.39	47
1990	54.6	53	63	56	46.3	51	1.98	28
1989	56	40	65	38	46.9	40	2.78	17
1988	54.8	47	63.6	52	46.1	53	3.01	13
1987	56.9	31	66.3	28	47.5	31	2.38	21
1986	55.7	41	63.7	50	47.7	28	1.71	35
1985	54.8	47	63.8	48	45.8	57	0.85	69
1984	52.9	72	60.5	75	45.2	64	3.38	5
1983	57.7	22	66.3	28	49	17	2.10	25
1982	54.6	53	63.7	50	45.6	61	0.63	75
1981	54.7	51	62.5	60	46.9	40	1.33	51
1980	54.2	61	61.9	64	46.5	48	0.97	61
1979	57.2	26	66.8	24	47.6	29	0.88	68
1978	54.5	56	63.1	55	45.8	57	1.79	34
1977	54.5	56	61.9	64	47	38	3.70	3
1976	56.4	37	65.5	37	47.2	36	1.61	39
1975	54.6	53	64.1	42	45	67	1.13	57
1974	54.9	46	62.5	60	47.3	34	1.37	49
1973	56.5	36	65.7	34	47.3	34	1.60	41
1972	58.3	14	67.6	17	49	17	0.69	74
1971	54.5	56	62.8	59	46.1	53	1.43	45
1970	54.7	51	63.4	54	45.9	55	1.17	53
1969	58	18	67.9	14	48.1	26	2.93	14
1968	57.3	24	66	31	48.5	21	1.67	36
1967	55.4	43	63.9	45	46.9	40	0.38	79
1966	54.5	56	64	43	45	67	1.35	50
1965	51.9	78	60.6	73	43.1	80	1.63	38
1964	53.2	68	62.9	57	43.5	78	0.91	65
1963	57.7	22	67.9	14	47.5	31	0.90	66
1962	50.6	82	57.5	82	43.7	76	1.82	33
1961	53.8	65	62.4	63	45.2	64	3.07	11
1960	52.7	74	60.5	75	44.8	70	3.04	12
1959	53.5	67	62.5	60	44.4	71	1.60	41
1958	60.4	4	70.6	3	50.2	9	0.94	62
1957	57.9	19	66.6	25	49.2	15	1.17	53
1956	56.8	33	67.2	21	46.4	49	0.83	70
1955	50.7	81	58.9	81	42.4	81	1.95	30
1954	53.9	64	63.6	52	44.2	73	1.89	31
1953	52.6	75	61.7	67	43.5	78	2.51	19
1952	54	63	63.9	45	44.1	74	0.99	60
1951	54.2	61	64.6	41	43.7	76	1.61	39
1950	51.6	80	61.6	68	41.6	82	0.78	73
1949	57.3	24	68.4	11	46.2	52	1.30	52
1948	52.9	72	61.4	69	44.4	71	4.76	1
1947	57.8	21	69.2	7	46.4	49	0.35	80
1946	57.2	26	68.5	10	45.9	55	0.41	78
1945	57	28	65.7	34	48.3	24	2.62	18

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2018	61.2
2023	60.9
2019	60.5
1958	60.4
1995	60.1
2016	59.8
1992	59.8
1993	59.6
2020	59.3
2015	59.1
More years share the last value

Coldest
Year	Mean, °F
1962	50.6
1955	50.7
1950	51.6
1999	51.8
1965	51.9
2011	52.3
2022	52.6
1953	52.6
1960	52.7
1984	52.9
More years share the last value

Wettest
Year	Precipitation, in
1948	4.76
2022	3.82
1977	3.70
2009	3.61
1984	3.38
2005	3.32
2000	3.27
2011	3.20
2014	3.15
2020	3.12

Driest
Year	Precipitation, in
2018	0.12
1992	0.12
1947	0.35
1967	0.38
1946	0.41
2015	0.58
2019	0.62
1982	0.63
1972	0.69
1950	0.78

The hottest, coldest and wettest days

Hottest day: 82°F; 28 May 2026, 12 May 2026
Coldest night: 41°F; 17 May 2026
Wettest day: 0.38 in; 29 May 2026

Every month, season and year

Months

Seasons

Years

Seattle Tacoma, WA the day's answers

All-time records

Every answer in words

May 2026 brought 1.14 in of precipitation in Seattle Tacoma, WA, the driest May since 2025, 27th driest of 82.
The hottest day of May 2026 in Seattle Tacoma, WA: 82°F on Thursday 28 May 2026 and Tuesday 12 May 2026.
The coldest night of May 2026 in Seattle Tacoma, WA: a low of 41°F on Sunday 17 May 2026.
The wettest day of May 2026 in Seattle Tacoma, WA: 0.38 in on Friday 29 May 2026.