Grand Junction, CO: May

31 May 2026: May 2026 averaged 63.6°F in Grand Junction, CO, the warmest May since 2025, tied 38th warmest of 134 (with 1985, 1977 and 1932).

May 2026

Mean temperature: 63.6°F; Warmest since 2025; 38th warmest of 134
Precipitation: 0.44 in; Driest since 2023; 45th driest of 134

A normal May in Grand Junction, CO (1991 to 2020): a mean temperature of 62.1°F, between 57.9°F and 65.3°F in eight years of ten and 0.67 in of precipitation, between 0.11 in and 1.85 in in eight years of ten.

The mean temperature of every May in Grand Junction, CO since 1893: 63.6°F in 2026; the highest is 68.9°F, in 1934.

Normal range, 57.9 to 65.3°F

Every year, ranked, as a table

Every May in Grand Junction, CO 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	63.6	38	78.4	35	48.9	51	0.44	87	0
2025	64.4	25	79.4	22	49.4	41	0.56	67	0
2024	62.1	65	77.4	46	46.9	92	0.48	80	0
2023	65.2	18	79.3	25	51.2	12	0.18	117	0
2022	61.7	72	77.5	43	45.9	110	0.34	103	0
2021	63.5	42	78.5	33	48.6	56	0.53	77	0
2020	65.8	9	81.5	5	50.2	30	0.10	125	0
2019	56.7	129	69.8	124	43.6	132	0.79	53	0
2018	65.3	15	80.7	10	49.9	35	0.19	114	0
2017	60.9	89	75.5	69	46.4	100	0.66	60	0
2016	59	109	73	104	44.9	120	0.91	48	0
2015	57.7	124	69.5	129	46	105	1.85	6	0
2014	60.2	98	73.6	97	46.7	97	1.49	16	0
2013	61.4	78	75.2	75	47.5	79	0.87	50	0
2012	65.4	13	81.6	4	49.2	47	0.09	126	0
2011	57.9	123	71	121	44.8	121	1.27	29	0
2010	58.7	115	73.8	93	43.6	132	0.48	80	0
2009	64.4	25	78.6	31	50.3	27	1.60	11	0
2008	58.4	120	73.1	103	43.8	130	0.89	49	0
2007	62.6	54	77.3	47	47.8	71	0.27	107	0
2006	65	19	81.8	3	48.3	61	0.11	123	0
2005	62	67	77.9	40	46	105	0.11	123	0
2004	63.8	35	78.5	33	49	49	0.19	114	0
2003	63.1	46	77.2	48	49	49	1.88	5	0
2002	62.7	53	79.5	20	46	105	0.51	78	0
2001	64.3	30	80.2	13	48.4	60	0.57	66	0
2000	65.7	11	81.4	7	50.1	33	0.43	91	0
1999	58.6	118	72.7	107	44.6	124	0.68	59	0
1998	62	67	76.9	50	47.2	90	0.21	112	0
1997	62.2	64	77.1	49	47.3	89	1.53	12	0
1996	64.2	32	80	17	48.3	61	0.99	46	0
1995	56.8	128	68.4	132	45.3	117	2.04	2	0
1994	65.3	15	80.2	13	50.4	24	0.19	114	0
1993	61.9	70	75.6	67	48.2	64	1.99	3	0
1992	64.4	25	77.5	43	51.4	10	1.81	7	0
1991	62	67	76.1	59	47.8	71	0.20	113	0
1990	61.3	83	75.8	64	46.8	95	0.05	128	0
1989	63.8	35	77.9	40	49.7	36	0.39	96	0
1988	60.9	89	75.7	65	46	105	1.10	40	0
1987	61.1	85	73.8	93	48.5	57	1.51	14	0
1986	60.6	93	74.3	87	46.9	92	1.15	36	0
1985	63.6	38	76.5	56	50.6	19	1.09	42	0
1984	66.2	6	80.7	10	51.7	6	0.55	70	0
1983	58.7	115	72.7	107	44.7	123	1.68	10	0
1982	61.4	78	74.7	82	48	68	0.75	56	0
1981	60.9	89	73.6	97	48.1	66	1.49	16	0
1980	59	109	72	118	46.1	104	1.17	35	0
1979	60.2	98	72.3	116	48.2	64	1.45	20	0
1978	58.7	115	72.5	114	45	119	0.55	70	0
1977	63.6	38	77.9	40	49.4	41	0.59	64	0
1976	61.8	71	76.1	59	47.5	79	1.49	16	0
1975	57	127	69.8	124	44.3	128	1.23	31	0
1974	65	19	81.2	8	48.8	53	0.01	131	0
1973	61.5	75	75.5	69	47.4	84	1.45	20	0
1972	63	47	78.7	30	47.4	84	0.44	87	0
1971	60	101	74.3	87	45.8	111	1.10	40	0
1970	63.2	45	79.4	22	47.1	91	trace	133	0
1969	66.4	4	82.1	2	50.7	17	0.45	83	0
1968	59	109	72.9	105	45.2	118	1.14	37	0
1967	59.5	105	73.5	99	45.4	115	1.52	13	0
1966	65.4	13	80	17	50.7	17	0.71	58	0
1965	62.3	60	74.4	86	50.3	27	1.35	25	0
1964	62.3	60	76.8	51	47.8	71	0.41	93	0
1963	66.3	5	81	9	51.6	7	0.01	131	0
1962	61.7	72	74.9	78	48.5	57	0.17	118	0
1961	63	47	76.4	57	49.6	38	1.11	39	0
1960	61.4	78	74.8	79	47.9	70	0.35	101	0
1959	62.9	50	75.3	74	50.5	22	0.39	96	0
1958	65.6	12	80.2	13	51	14	0.34	103	0
1957	56.7	129	68	133	45.5	112	1.79	8	0
1956	64.5	24	78.4	35	50.6	19	0.26	108	0
1955	60.3	97	73.2	102	47.5	79	1.30	26	0
1954	64.4	25	78.6	31	50.2	30	0.54	73	0
1953	56.5	132	69.2	130	43.8	130	0.42	92	0
1952	62.6	54	75.9	62	49.3	46	0.44	87	0
1951	62.1	65	74.8	79	49.4	41	0.64	61	0
1950	59	109	72.6	111	45.5	112	0.46	82	0
1949	61	88	73.8	93	48.3	61	0.74	57	0
1948	63.8	35	78.1	39	49.4	41	0.22	111	0
1947	64.3	30	79	27	49.6	38	0.41	93	0
1946	59.9	103	73.4	101	46.4	100	1.25	30	0
1945	63.5	42	76	61	51.1	13	0.45	83	0
1944	62.3	60	74.5	85	50	34	0.59	64	0
1943	61.3	83	73.9	91	48.7	54	1.04	44	0
1942	60.5	95	74	90	46.9	92	0.15	120	0
1941	63.5	42	75.7	65	51.3	11	1.03	45	0
1940	67.5	2	81.5	5	53.4	2	trace	133	0
1939	65.8	9	79.4	22	52.2	5	0.34	103	0
1938	60.1	100	72.6	111	47.6	76	0.81	51	0
1937	66.2	6	80	17	52.4	4	0.30	106	0
1936	65.9	8	80.2	13	51.6	7	0.24	110	0
1935	59.2	107	70.4	122	48.1	66	0.77	55	0
1934	68.9	1	82.4	1	55.4	1	1.48	19	0
1933	57.5	126	70.1	123	44.8	121	0.54	73	0
1932	63.6	38	76.7	54	50.6	19	0.16	119	0
1931	60.7	92	73.9	91	47.4	84	0.44	87	0
1930	58.9	114	71.6	120	46.3	103	1.50	15	0
1929	59.8	104	72.9	105	46.7	97	0.45	83	1
1928	63.9	33	76.8	51	51	14	1.29	27	0
1927	61.4	78	75.9	62	46.8	95	0.54	73	0
1926	62.9	50	75.4	72	50.4	24	0.93	47	0
1925	66.7	3	80.3	12	53.2	3	0.36	100	0
1924	61.5	75	75.4	72	47.6	76	1.69	9	0
1923	62.3	60	75	76	49.6	38	0.55	70	0
1922	61.1	85	74.7	82	47.5	79	0.40	95	0
1921	61.5	75	74.2	89	48.9	51	1.12	38	0
1920	62.4	57	75.6	67	49.2	47	0.80	52	0
1919	64.4	25	78.4	35	50.4	24	0.54	73	0
1918	61.1	85	74.6	84	47.6	76	0.05	128	0
1917	55.1	134	65.7	134	44.5	127	1.45	20	0
1916	58.6	118	72.6	111	44.6	124	1.05	43	0
1915	58.1	122	69.7	127	46.5	99	1.23	31	0
1914	62.8	52	75.5	69	50.2	30	0.62	62	0
1913	63.9	33	78.2	38	49.7	36	0.12	122	0
1912	59.3	106	72.3	116	46.4	100	0.38	98	0
1911	63	47	76.7	54	49.4	41	0.03	130	0
1910	62.4	57	76.8	51	48	68	0.26	108	0
1909	58.2	121	71.8	119	44.6	124	0.45	83	0
1908	56.6	131	69.7	127	43.5	134	0.56	67	0
1907	56.5	132	68.9	131	44	129	1.21	33	0
1906	60.5	95	73.7	96	47.4	84	2.74	1	0
1905	57.7	124	69.8	124	45.5	112	1.98	4	0
1904	61.7	72	74.8	79	48.7	54	1.39	24	0
1903	59.2	107	72.7	107	46	105	1.21	33	1
1902	62.5	56	77.5	43	47.5	79	0.37	99	0
1901	64.9	21	78.8	29	50.9	16	1.29	27	0
1900	64.8	23	79.1	26	50.5	22	0.06	127	0
1899	59	109	72.5	114	45.4	115	0.14	121	0
1898	60	101	72.7	107	47.4	84	1.40	23	0
1897	65.3	15	79	27	51.6	7	0.62	62	0
1896	62.4	57	76.3	58	48.5	57	0.51	78	0
1895	61.4	78	75	76	47.8	71	0.35	101	0
1894	64.9	21	79.5	20	50.3	27	0.56	67	0
1893	60.6	93	73.5	99	47.7	75	0.79	53	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1934	68.9
1940	67.5
1925	66.7
1969	66.4
1963	66.3
1984	66.2
1937	66.2
1936	65.9
2020	65.8
1939	65.8

Coldest
Year	Mean, °F
1917	55.1
1953	56.5
1907	56.5
1908	56.6
2019	56.7
1957	56.7
1995	56.8
1975	57
1933	57.5
2015	57.7
More years share the last value

Wettest
Year	Precipitation, in
1906	2.74
1995	2.04
1993	1.99
1905	1.98
2003	1.88
2015	1.85
1992	1.81
1957	1.79
1924	1.69
1983	1.68

Driest
Year	Precipitation, in
1970	trace
1940	trace
1974	0.01
1963	0.01
1911	0.03
1990	0.05
1918	0.05
1900	0.06
2012	0.09
2020	0.10

The hottest, coldest and wettest days

Hottest day: 94°F; 12 May 2026
Coldest night: 37°F; 7 May 2026
Wettest day: 0.32 in; 18 May 2026

Every month, season and year

Months

Seasons

Years

Grand Junction, CO the day's answers

All-time records

Every answer in words

May 2026 brought 0.44 in of precipitation in Grand Junction, CO, the driest May since 2023, tied 45th driest of 134 (with 1972, 1952 and 1931).
The hottest day of May 2026 in Grand Junction, CO: 94°F on Tuesday 12 May 2026.
The coldest night of May 2026 in Grand Junction, CO: a low of 37°F on Thursday 7 May 2026.
The wettest day of May 2026 in Grand Junction, CO: 0.32 in on Monday 18 May 2026.