Ukiah, CA: May

31 May 2026: May 2026 averaged 65.2°F in Ukiah, CA, the warmest May since 2024, 11th warmest of 134.

May 2026

Mean temperature: 65.2°F; Warmest since 2024; 11th warmest of 134
Precipitation: 0.28 in; Driest since 2025; 45th driest of 131

A normal May in Ukiah, CA (1991 to 2020): a mean temperature of 62.6°F, between 58.2°F and 65.1°F in eight years of ten and 0.59 in of precipitation, between 0.01 in and 3.36 in in eight years of ten.

The mean temperature of every May in Ukiah, CA since 1893: 65.2°F in 2026; the highest is 68.4°F, in 2001.

Normal range, 58.2 to 65.1°F

Every year, ranked, as a table

Every May in Ukiah, CA 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	65.2	11	80.2	36	50.2	5	0.28	87	0
2025	65.1	12	82	17	48.3	22	0.23	91	0
2024	65.3	10	82.6	10	48	25	1.15	49	0
2023	63.5	35	77.7	67	49.3	9	1.24	44	0
2022	61.5	73	76.5	75	46.6	52	0.36	82	0
2021	65.5	8	83.4	5	47.7	35	trace	116	0
2020	64.1	26	79.1	50	49	10	1.29	43	0
2019	61.7	69	75	92	48.5	18	3.35	8	0
2018	63.9	29	78.4	59	49.5	8	0.05	109	0
2017	64.9	15	80.8	29	48.9	11	0.01	113	0
2016	64.4	20	78.4	59	50.4	4	0.45	74	0
2015	63.2	42	78.5	56	48	25	0.40	77	0
2014	65	13	81.6	20	48.5	18	trace	116	0
2013	63.4	39	78.8	54	48	25	0.14	101	0
2012	63.1	44	79.9	41	46.4	54	0.23	91	0
2011	57	122	70.3	126	43.7	105	1.63	25	0
2010	56.2	128	69.1	128	43.3	111	2.35	18	0
2009	64.7	16	80.6	32	48.8	15	2.49	15	0
2008	63.2	42	79.2	47	47.3	43	0.00	123	0
2007	63	46	80.2	36	45.9	65	0.60	64	0
2006	63.5	35	79.3	46	47.7	35	0.40	77	0
2005	60.8	82	73.9	99	47.7	35	4.05	5	0
2004	62.2	56	77.1	71	47.3	43	0.06	108	0
2003	61.4	74	76.4	79	46.5	53	0.63	63	0
2002	61	80	77.1	71	44.9	92	0.88	59	0
2001	68.4	1	88.1	1	48.6	17	trace	116	0
2000	61.8	65	74.6	94	48.9	11	2.62	13	1
1999	59.6	96	73.4	103	45.9	65	0.13	102	0
1998	55.4	131	65.3	134	45.6	76	6.42	1	1
1997	65.8	6	81.1	25	50.5	3	1.23	45	0
1996	62	59	76.4	79	47.7	35	2.74	11	1
1995	58.3	110	73.5	102	43.2	112	2.68	12	1
1994	61.2	78	74.3	97	48.3	22	0.58	65	1
1993	60.8	82	71.8	118	49.8	6	3.45	7	1
1992	68	2	84.8	3	51.2	2	0.24	89	0
1991	58.7	106	71.8	118	45.5	80	0.47	72	0
1990	59.9	93	72.2	115	47.6	39	5.47	2	0
1989	60.7	84	74.5	95	47	46	0.16	98	0
1988	59.4	102	73	111	46.2	59	0.50	70	2
1987	66	4	80.5	34	51.5	1	0.32	85	0
1986	61.9	61	76	83	47.8	32	1.38	39	3
1985	60.9	81	75.5	88	46.4	54	0.00	123	0
1984	64.3	22	78.9	52	49.6	7	0.43	75	0
1983	63	46	78.9	52	47	46	0.65	62	2
1982	64	28	81	27	46.9	49	0.00	123	0
1981	62.5	53	76.6	73	48.3	22	1.02	55	0
1980	60.6	86	74.5	95	46.8	51	0.58	65	0
1979	64.7	16	80.7	31	48.8	15	1.32	42	0
1978	62.5	53	79.9	41	45	88	0.37	80	1
1977	55.2	132	68	132	42.5	119	1.57	28	0
1976	62.9	50	80.8	29	45	88	0.00	123	0
1975	63.8	31	81.5	21	46.1	62	0.05	109	0
1974	61.8	65	78	65	45.7	72	0.35	83	0
1973	65.5	8	83.2	6	47.9	29	0.10	104	0
1972	63	46	79.6	44	46.4	54	0.73	61	0
1971	59.5	98	73.4	103	45.7	72	0.38	79	0
1970	64.6	18	82.3	15	47	46	0.16	98	0
1969	65.6	7	82.4	12	48.9	11	0.00	123	0
1968	60.3	88	75.5	88	45.1	83	1.07	52	0
1967	63	46	80.1	39	45.9	65	0.23	91	0
1966	64.1	26	81.8	18	46.3	58	0.03	111	0
1965	60.2	89	76.6	73	43.7	105	0.01	113	0
1964	58.4	109	73.8	100	43.1	113	0.92	57	0
1963	61.9	61	75.9	86	48	25	1.07	52	0
1962	58.7	106	72	117	45.4	82	0.57	67	0
1961	57.9	117	70.7	123	45.1	83	1.33	41	0
1960	59.4	102	72.8	112	45.9	65	1.93	21	0
1959	59.8	94	75.4	90	44.2	99	trace	116	0
1958	64.6	18	81.4	22	47.9	29	0.54	69	0
1957	60.6	86	75.1	91	46.1	62	4.67	4	0
1956	61.7	69	78.5	56	44.8	94	1.12	50	1
1955	63.5	35	81.2	24	45.9	65	0.00	123	1
1954	63.7	33	81.1	25	46.4	54	0.01	113	0
1953	58	114	72.6	113	43.4	110	1.69	24	0
1952	65	13	82.4	12	47.4	41	0.29	86	1
1951	63.3	40	79.7	43	46.9	49	2.16	19	0
1950	63.8	31	82.1	16	45.5	80	1.22	47	0
1949	61.6	71	77.6	69	45.6	76	0.50	70	0
1948	58	114	73.3	107	42.6	117	1.54	31	0
1947	66	4	83.2	6	48.9	11	0.24	89	0
1946	61.8	65	78.6	55	45	88	0.19	96	0
1945	59.6	96	73.3	107	45.9	65	1.55	30	0
1944	61.1	79	77.2	70	45.1	83	1.35	40	0
1943	61.4	74	78.5	56	44.4	98	0.97	56	0
1942	58.1	113	72.1	116	44.1	101	2.45	16	0
1941	61.6	71	76	83	47.2	45	1.43	37	0
1940	64.2	24	80.6	32	47.8	32	1.51	34	0
1939	62	59	78.4	59	45.6	76	1.54	31	0
1938	63.1	44	80.5	34	45.7	72	0.07	107	0
1937	62.1	58	79.2	47	45	88	0.21	95	0
1936	63.7	33	80	40	47.4	41	1.05	54	0
1935	62.3	55	80.2	36	44.5	97	0.03	111	0
1934	63.5	35	79.2	47	47.8	32	1.46	36	0
1933	56.8	124	69.3	127	44.2	99	2.40	17	0
1932	61.9	61	76	83	47.9	29	1.48	35	0
1931	67.1	3	85.8	2	48.5	18	1.76	23	0
1930	57.1	120	73.2	109	41.1	126	0.47	72	0
1929	61.4	74	81.3	23	41.4	125	0.16	98	0
1928	64.2	24	82.4	12	46.1	62	0.10	104	0
1927	59.5	98	76.5	75	42.5	119	0.55	68	0
1926	62.8	52	79.4	45	46.2	59	trace	116	0
1925	62.2	56	76.1	81	48.4	21	4.97	3	0
1924	64.3	22	84.6	4	43.9	103	0.00	123	0
1923	58.9	105	76.1	81	41.7	122	0.26	88	0
1922	60	92	78.3	62	41.7	122	0.35	83	0
1921	57.8	118	73.4	103	42.3	121	1.23	45	0
1920	60.1	91	81.7	19	38.5	134	0.00	123	0
1919	63.3	40	82.8	9	43.7	105	0.11	103	0
1918	59	104	79	51	39.1	133	trace	116	0
1917	56.1	129	72.3	114	39.9	130	0.23	91	0
1916	57.3	119	74.7	93	39.9	130	0.41	76	0
1915	56.8	124	68.6	129	45.1	83	3.65	6	1
1914	61.8	65	77.7	67	45.9	65	0.85	60	0
1913	60.7	84	77.9	66	43.5	108	1.57	28	0
1912	60.2	89	75.8	87	44.9	92	1.78	22	1
1911	57	122	73.2	109	40.9	127	1.42	38	0
1910	64.4	20	83	8	45.7	72	0.37	80	0
1909	59.5	98	78.1	64	40.9	127	0.00	123	0
1908	55.2	132	70.5	124	39.8	132	1.53	33	0
1907	59.8	94	76.5	75	43.1	113	1.12	50	0
1906	58	114	71.5	121	44.6	96	2.94	9	0
1905	57.1	120	70.4	125	43.8	104	2.54	14	1
1904	63.9	29	82.6	10	45.1	83	0.17	97	2
1903	61.9	61	81	27	42.8	116	trace	116	0
1902	56.7	126	71.4	122	41.6	124			2
1901	58.6	108	74.2	98	42.9	115	0.89	58	1
1900	61.4	74	76.5	75	46.2	59			0
1899	54.6	134	68.5	130	40.8	129	2.05	20	0
1898	56.3	127	68.5	130	44.1	101	1.63	25	0
1897	62.9	50	78.3	62	47.5	40	0.09	106	0
1896	55.7	130	68	132	43.5	108	2.94	9	1
1895	58.2	111	71.7	120	44.8	94			0
1894	59.5	98	73.4	103	45.6	76	1.21	48	0
1893	58.2	111	73.7	101	42.6	117	1.63	25	1

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2001	68.4
1992	68
1931	67.1
1987	66
1947	66
1997	65.8
1969	65.6
2021	65.5
1973	65.5
2024	65.3

Coldest
Year	Mean, °F
1899	54.6
1977	55.2
1908	55.2
1998	55.4
1896	55.7
1917	56.1
2010	56.2
1898	56.3
1902	56.7
1933	56.8
More years share the last value

Wettest
Year	Precipitation, in
1998	6.42
1990	5.47
1925	4.97
1957	4.67
2005	4.05
1915	3.65
1993	3.45
2019	3.35
1906	2.94
1896	2.94

Driest
Year	Precipitation, in
2008	0.00
1985	0.00
1982	0.00
1976	0.00
1969	0.00
1955	0.00
1924	0.00
1920	0.00
1909	0.00
2021	trace
More years share the last value

The hottest, coldest and wettest days

Hottest day: 94°F; 21 May 2026, 11 May 2026
Coldest night: 42°F; 18 May 2026
Wettest day: 0.17 in; 28 May 2026

Every month, season and year

Months

Seasons

Years

Ukiah, CA the day's answers

All-time records

Every answer in words

May 2026 brought 0.28 in of precipitation in Ukiah, CA, the driest May since 2025, 45th driest of 131.
The hottest day of May 2026 in Ukiah, CA: 94°F on Thursday 21 May 2026 and Monday 11 May 2026.
The coldest night of May 2026 in Ukiah, CA: a low of 42°F on Monday 18 May 2026.
The wettest day of May 2026 in Ukiah, CA: 0.17 in on Thursday 28 May 2026.