Pullman, WA: May

31 May 2026: May 2026 averaged 56°F in Pullman, WA, the warmest May since 2023, tied 25th warmest of 126 (with 1997 and 1944).

May 2026

Mean temperature: 56°F; Warmest since 2023; 25th warmest of 126
Precipitation: 1.05 in; Driest since 2025; 46th driest of 131

A normal May in Pullman, WA (1991 to 2020): a mean temperature of 54.4°F, between 50.1°F and 56.6°F in eight years of ten and 1.29 in of precipitation, between 0.70 in and 2.97 in in eight years of ten.

The mean temperature of every May in Pullman, WA since 1893: 56°F in 2026; the highest is 60.2°F, in 1928 and 1924.

Normal range, 50.1 to 56.6°F

Every year, ranked, as a table

Every May in Pullman, WA from 1893 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	Days missing
2026	56	25	68.6	20	43.4	43	1.05	86	0
2025	54.5	43	67.1	35	41.9	67	0.87	100	0
2024	51.9	85	63.3	80	40.5	91	1.13	80	0
2023	59.5	6	72.1	5	46.9	8	0.72	112	0
2022	49.3	114	58.6	123	39.9	102	2.40	18	0
2021	53.9	56	66.4	46	41.5	76	0.35	127	0
2020	54.4	47	65.5	56	43.4	43	3.91	2	0
2019	56.7	15	68.7	19	44.7	24	1.20	76	0
2018	59.4	7	70.4	11	48.3	1	1.93	37	0
2017	54.8	42	66.2	48	43.5	39	1.99	31	0
2016	55.7	30	67.4	32	43.9	33	0.72	112	0
2015	56.4	20	69.8	14	43	50	1.96	33	0
2014	54.5	43	67.2	33	41.8	69	0.97	91	0
2013	55	38	67.8	26	42.2	62	0.82	106	0
2012	51.2	92	62.6	90	39.8	106	1.23	74	0
2011	50.5	103	60.8	107	40.1	99	2.93	8	0
2010	49.3	114	59.3	119	39.2	113	2.03	30	0
2009	54.2	52	66.7	42	41.7	71	2.25	25	0
2008	55.1	37	66.8	39	43.5	39	1.26	73	0
2007	53.5	66	66.5	44	40.5	91	1.19	77	0
2006	56.3	22	69.3	16	43.4	43	1.86	43	0
2005	55.3	34	65.8	52	44.8	19	0.94	95	0
2004	51.9	85	62	95	41.7	71	1.91	41	0
2003	52.3	79	62.9	86	41.6	75	0.96	93	0
2002	50.5	103	61.2	101	39.8	106	1.31	72	0
2001	54.4	47	66.5	44	42.2	62	0.52	119	0
2000	52	84	62.6	90	41.3	80	1.22	75	0
1999	48.8	121	60.1	112	37.5	128	0.46	121	0
1998	52.8	76	63.1	84	42.4	55	3.34	4	0
1997	56	25	66.8	39	44.8	19	1.07	84	1
1996	49.2	116	58.4	124	39.8	106	1.99	31	3
1995	54.2	52	65.8	52	42.3	58	0.89	98	1
1994	55.8	29	67.1	35	44.4	26	1.77	48	1
1993	59.1	9	70.4	11	47.8	5	1.85	45	0
1992	56.6	17	70.9	9	42.4	55	0.39	126	0
1991	50.2	109	60.1	112	40.3	95	3.28	5	0
1990	51.6	88	61.8	96	41.4	78	2.55	14	0
1989	52.3	79	63.3	80	41.3	80	1.93	37	0
1988	52.9	74	64.2	69	41.5	76	1.76	49	0
1987	56.6	17	69.2	18	44	31	2.23	27	0
1986			65.2	63			1.62	57	4
1985	54.9	41	67.9	23	42.3	58	1.14	79	3
1984	50.1	110	60.4	109	39.9	102	1.89	42	0
1983	54.1	54	67.5	29	40.6	88	1.38	69	1
1982	51.1	95	62.9	86	39.6	110	1.11	82	1
1981	51.2	92	61.1	103	41.3	80	1.72	52	0
1980	51.7	87	61.6	99	41.9	67	3.14	7	0
1979	53.9	56	64.5	67	43.3	46	1.70	53	0
1978	49.7	111	59.9	114	39.5	112	1.46	65	0
1977	49.1	118	59.6	116	38.6	123	1.93	37	0
1976	52.4	78	65.6	54	39.2	113	1.73	51	0
1975	50.8	98	61.1	103	40.2	96	0.88	99	1
1974	49.1	118	59.5	118	38.7	119	1.10	83	1
1973	54	55	66.8	39	41.3	80	1.68	55	0
1972	55.4	33	65.9	51	44.8	19	2.26	24	0
1971	53.9	56	65.6	54	42.3	58	2.32	20	0
1970	52.9	74	64.1	72	41.7	71	0.65	116	0
1969	55	38	66.9	38	43.1	47	0.97	91	0
1968	52.8	76	65	64	40.6	88	1.37	70	0
1967	50.8	98	63.3	80	38.9	117	1.46	65	1
1966	55	38	69.5	15	40.5	91	0.66	115	0
1965	51	96	63.3	80	38.7	119	1.03	87	0
1964	51.4	89	64.1	72	38.7	119	0.91	97	0
1963	53.1	71	66.4	46	39.7	109	0.45	122	0
1962	48.5	124	58	126	38.9	117	2.11	29	0
1961	52.3	79	63.6	79	41	86	1.42	68	0
1960	50.7	100	61.8	96	39.6	110	2.29	21	0
1959	49.5	112	61	106	37.8	127	2.29	21	1
1958	59	10	72.9	3	45.2	15	0.40	125	0
1957	55.7	30	66.7	42	44.8	19	2.57	13	0
1956	56.2	23	68.4	21	43.9	33	3.18	6	0
1955	48.7	122	59.3	119	38.1	126	1.07	84	0
1954	53	72	65.5	56	40.4	94	1.64	56	0
1953	50.7	100	62.8	88	38.6	123	1.13	80	0
1952	53.6	64	65.3	60	42	66	0.84	104	0
1951							0.83	105	31
1950							0.85	102	31
1949	57.7	13	67.5	29	47.9	3	1.01	90	0
1948					43.1	47	5.43	1	5
1947	59.2	8	70.6	10	47.9	3	0.17	130	1
1946	55.9	28	68.1	22	44	31	0.93	96	3
1945	55.3	34	65.5	56	45.2	15	1.70	53	0
1944	56	25	67.6	27	44.4	26	0.79	108	0
1943	50.9	97	60.4	109	41.3	80	1.46	65	2
1942	50.5	103	59.8	115	41.8	69	1.93	37	3
1941	53.6	64	62.8	88	44.8	19	3.90	3	2
1940	58.6	11	70.4	11	46.8	9	0.45	122	0
1939	56.7	15	67.6	27	45.8	13	0.76	109	0
1938	53.8	60	64.2	69	43.5	39	0.80	107	0
1937	55.7	30	67	37	44.4	26	0.61	118	0
1936	60	3	71.1	8	48.3	1	1.17	78	2
1935	53.8	60	65.5	56	42.1	64	0.33	128	0
1934	59.6	5	72.1	5	47.1	7	1.49	63	0
1933	50.5	103	61.1	103	39.9	102	0.85	102	0
1932	54.3	49	64.3	68	43.9	33	1.96	33	1
1931	56.4	20	67.5	29	45	17	0.44	124	1
1930	53.7	63	64.1	72	43.1	47	2.61	12	3
1929	53.8	60	65.3	60	42.4	55	0.64	117	0
1928	60.2	1	72.7	4	47.8	5	0.74	111	0
1927	49	120	57.8	127	40.1	99			0
1926	54.3	49	64.9	66	43.7	38	0.86	101	1
1925	57.8	12	69.3	16	46.3	12	1.79	47	2
1924	60.2	1	73.7	1	46.7	10	0.00	131	0
1923	53.4	68	62.6	90	44.1	29	1.02	89	0
1922	53	72	64	76	41.7	71	0.22	129	2
1921	54.5	43	66.1	50	42.8	53	1.86	43	0
1920	49.5	112	59.1	121	39.9	102	0.95	94	0
1919	51.2	92	61.5	100	40.9	87	1.03	87	0
1918							0.75	110	9
1917	51.3	91	60.5	108	42.1	64	2.25	25	0
1916	47.7	125	56.4	129	38.7	119	1.56	60	3
1915	53.2	70	61.7	98	44.7	24	2.77	10	0
1914	56.5	19	67.9	23	45	17			0
1913	52.1	83	62.3	93	42.3	58	1.60	59	3
1912	53.9	56	63.8	78	43.9	33	2.85	9	0
1911	49.2	116	59.1	121	39.2	113	2.39	19	2
1910	57.6	14	71.4	7	43.9	33	0.52	119	0
1909	50.7	100	61.2	101	40.2	96	1.52	61	0
1908	50.3	107	60.4	109	40.1	99	1.52	61	0
1907					44.1	29			31
1906	54.5	43	66.2	48	42.9	52	2.54	15	0
1905			64.1	72			1.62	57	5
1904	53.3	69	65.3	60	41.4	78	0.71	114	0
1903			63	85			2.27	23	5
1902	53.5	66	63.9	77	43	50	2.42	16	0
1901	56.2	23	67.2	33	45.6	14	1.47	64	1
1900	55.2	36	67.9	23	42.5	54	2.70	11	0
1899	48.7	122	58.3	125	39	116	1.94	35	0
1898	52.2	82	65	64	40.2	96	1.94	35	2
1897	59.7	4	73	2	46.5	11	1.35	71	0
1896	47.6	126	56.8	128	38.4	125	2.42	16	0
1895	51.4	89	62.2	94	40.6	88	2.12	28	0
1894	54.3	49	64.2	69	43.5	39	1.82	46	3
1893	50.3	107	59.6	116	41.1	85	1.74	50	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1928	60.2
1924	60.2
1936	60
1897	59.7
1934	59.6
2023	59.5
2018	59.4
1947	59.2
1993	59.1
1958	59

Coldest
Year	Mean, °F
1896	47.6
1916	47.7
1962	48.5
1955	48.7
1899	48.7
1999	48.8
1927	49
1977	49.1
1974	49.1
1996	49.2
More years share the last value

Wettest
Year	Precipitation, in
1948	5.43
2020	3.91
1941	3.90
1998	3.34
1991	3.28
1956	3.18
1980	3.14
2011	2.93
1912	2.85
1915	2.77

Driest
Year	Precipitation, in
1924	0.00
1947	0.17
1922	0.22
1935	0.33
2021	0.35
1992	0.39
1958	0.40
1931	0.44
1963	0.45
1940	0.45

The hottest, coldest and wettest days

Hottest day: 85°F; 12 May 2026
Coldest night: 34°F; 17 May 2026
Wettest day: 0.29 in; 13 May 2026

Every month, season and year

Months

Seasons

Years

Pullman, WA the day's answers

All-time records

Every answer in words

May 2026 brought 1.05 in of precipitation in Pullman, WA, the driest May since 2025, 46th driest of 131.
The hottest day of May 2026 in Pullman, WA: 85°F on Tuesday 12 May 2026.
The coldest night of May 2026 in Pullman, WA: a low of 34°F on Sunday 17 May 2026.
The wettest day of May 2026 in Pullman, WA: 0.29 in on Wednesday 13 May 2026.