Denver, CO: Summer

31 August 2026: Summer 2026 averaged 75°F in Denver, CO, the warmest summer since 2024, tied 2nd warmest of 155 (with 2024).

Summer 2026

Mean temperature: 75°F; Warmest since 2024; 2nd warmest of 155
Precipitation: 4.01 in; Driest since 2024; 67th driest of 155

A normal summer in Denver, CO (1991 to 2020): a mean temperature of 72.3°F, between 69.4°F and 74°F in eight years of ten and 5.39 in of precipitation, between 2.36 in and 9.58 in in eight years of ten.

The mean temperature of every summer in Denver, CO since 1872: 75°F in 2026; the highest is 76.3°F, in 2012.

Normal range, 69.4 to 74°F

Every year, ranked, as a table

Every summer in Denver, CO from 1872 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	75	2	90.4	4	59.5	17	4.01	89
2025	72.7	27	87.3	25	58	45	6.99	19
2024	75	2	90.8	3	59.3	20	2.38	136
2023	70.8	74	84	97	57.6	58	9.13	7
2022	74.8	5	90	5	59.7	10	3.02	121
2021	74.6	6	89.5	7	59.7	10	1.45	150
2020	74.9	4	91.2	2	58.6	33	2.01	142
2019	72.3	33	87.3	25	57.3	67	5.24	60
2018	73.4	15	88.6	11	58.2	40	2.39	135
2017	72.5	29	87.6	18	57.4	63	2.66	128
2016	72.8	24	87.9	17	57.6	58	2.91	123
2015	72.1	40	86.8	32	57.5	61	4.77	71
2014	70.8	74	85.2	64	56.4	97	8.40	10
2013	73.3	16	88.5	14	58.2	40	5.51	54
2012	76.3	1	92.4	1	60.2	6	1.81	146
2011	73.8	11	89.1	9	58.4	37	6.14	41
2010	72.4	31	87.4	22	57.4	63	6.35	34
2009	68.4	140	82.5	125	54.3	144	9.56	6
2008	72.2	35	87.6	18	56.8	82	5.00	66
2007	73.6	14	88.9	10	58.2	40	3.71	99
2006	74	9	89.2	8	58.7	32	2.62	130
2005	71.8	46	87.4	22	56.2	102	5.59	50
2004	67.6	146	81.5	139	53.8	151	7.68	16
2003	71	67	85.4	58	56.6	88	5.73	46
2002	73	21	88.6	11	57.3	67	3.62	102
2001	73.2	17	87.4	22	59	26	7.00	18
2000	72.8	24	88.3	15	57.2	70	5.27	59
1999	69.8	111	83.1	117	56.5	92	9.73	5
1998	69.8	111	84.4	81	55.1	129	7.84	14
1997	70.2	96	84.2	89	56.2	102	11.69	1
1996	71.1	63	86.4	35	55.8	110	3.34	108
1995	69.5	123	83.8	101	55.3	120	6.42	31
1994	74.1	7	89.7	6	58.5	35	2.10	141
1993	69.8	111	84.6	75	55.1	129	3.22	111
1992	68.3	142	82	131	54.7	137	6.58	25
1991	71.3	59	85.5	56	57.1	73	10.00	4
1990	71.5	55	86.3	38	56.7	86	5.74	45
1989	71	67	85.4	58	56.7	86	4.96	68
1988	73.2	17	87.6	18	58.8	30	5.30	58
1987	71.4	57	86	46	56.8	82	6.26	39
1986	72	43	86.2	40	57.7	55	3.29	109
1985	71.1	63	85.4	58	56.8	82	5.45	56
1984	71.1	63	84.6	75	57.6	58	6.57	26
1983	70.2	96	83.5	108	57	76	5.91	44
1982	69.7	118	82.8	120	56.5	92	4.34	82
1981	72.8	24	86.4	35	59.2	21	2.69	126
1980	73.8	11	88	16	59.7	10	4.67	73
1979	69.7	118	84	97	55.3	120	9.05	8
1978	70.4	90	85.6	51	55.3	120	1.97	144
1977	72.1	40	85.7	50	58.6	33	5.00	66
1976	70.6	83	85.3	62	56	105	5.44	57
1975	69.3	127	84.3	86	54.2	147	6.89	21
1974	70.9	72	86.6	33	55.1	129	4.51	76
1973	70.7	78	86.1	45	55.3	120	3.95	91
1972	69.8	111	84.6	75	55	133	6.28	36
1971	70.8	74	87.1	27	54.5	142	2.28	139
1970	70.4	90	85.6	51	55.2	126	6.04	43
1969	70.1	102	83.8	101	56.4	97	5.59	50
1968	69.2	129	84.4	81	54	149	4.37	80
1967	66	154	79.4	152	52.6	155	8.77	9
1966	70.8	74	85.6	51	56	105	4.51	76
1965	69	133	82.6	122	55.4	118	11.61	2
1964	70.4	90	86.2	40	54.7	137	1.81	146
1963	70.1	102	85.1	66	55.1	129	6.66	24
1962	70.3	94	86.6	33	54.1	148	2.52	133
1961	69.9	110	85.1	66	54.8	136	3.92	93
1960	71.7	49	86.4	35	56.9	79	2.00	143
1959	72.2	35	86.2	40	58.1	43	1.52	149
1958	70.7	78	84.1	93	57.2	70	6.14	41
1957	70.7	78	83.9	99	57.5	61	4.41	78
1956	71.8	46	85.6	51	57.9	50	6.44	30
1955	70.9	72	84.7	72	57.1	73	6.79	23
1954	72.9	22	87.6	18	58.3	39	3.16	117
1953	71.6	52	85.3	62	58	45	4.69	72
1952	72.5	29	87	28	57.9	50	2.59	131
1951	68.4	140	81.8	135	54.9	135	7.57	17
1950	68.1	144	82	131	54.3	144	4.15	87
1949	71	67	82.8	120	59.2	21	6.33	35
1948	71.9	44	84.3	86	59.5	17	3.17	114
1947	70.2	96	82.3	128	58.1	43	4.58	75
1946	71.9	44	84.2	89	59.7	10	3.09	119
1945	69	133	80.6	145	57.4	63	5.59	50
1944	71	67	83.5	108	58.4	37	3.69	101
1943	72.2	35	84.3	86	60.1	7	2.52	133
1942	70	106	82.1	130	58	45	3.45	106
1941	70.1	102	81	141	59.2	21	5.07	64
1940	72.3	33	84.6	75	60	8	1.22	152
1939	72.6	28	86	46	59.2	21	1.08	153
1938	71.6	52	83.6	105	59.6	16	3.17	114
1937	72.2	35	84.7	72	59.7	10	3.97	90
1936	74	9	86.3	38	61.8	1	6.28	36
1935	71.8	46	84.1	93	59.4	19	3.22	111
1934	74.1	7	87	28	61.2	3	1.45	150
1933	72.9	22	84.9	69	61	4	1.90	145
1932	72.1	40	84.2	89	60	8	3.06	120
1931	73.2	17	85.6	51	60.8	5	3.88	96
1930	71.6	52	83.5	108	59.7	10	3.95	91
1929	71.3	59	83.6	105	59	26	5.02	65
1928	67.6	146	79.8	151	55.4	118	4.28	85
1927	67.5	148	78.9	153	56.1	104	7.87	13
1926	70.2	96	82.5	125	57.8	52	2.66	128
1925	70.1	102	81.2	140	59	26	3.90	94
1924	71.2	61	84.4	81	58	45	0.81	154
1923	68.8	135	79.9	150	57.8	52	10.16	3
1922	72.2	35	85.1	66	59.2	21	3.56	104
1921	70.3	94	81.8	135	58.8	30	8.02	11
1920	68.6	137	80.2	147	56.9	79	2.37	137
1919	71.7	49	84.5	80	59	26	6.52	28
1918	71	67	83.5	108	58.5	35	5.10	63
1917	69.3	127	82.2	129	56.4	97	0.77	155
1916	69.8	111	82.5	125	57	76	3.26	110
1915	65.8	155	78.9	153	52.7	154	4.90	70
1914	70.6	83	83.9	99	57.2	70	5.59	50
1913	70.6	83	84.1	93	57	76	3.71	99
1912	67.5	148	80.4	146	54.7	137	6.24	40
1911	70.2	96	83.5	108	56.8	82	2.95	122
1910	71.1	63	85.9	48	56.3	101	5.46	55
1909	70.4	90	83.2	116	57.7	55	8.00	12
1908	67.7	145	80.8	144	54.7	137	6.96	20
1907	69.1	132	82.6	122	55.6	116	2.90	124
1906	67.5	148	80.9	143	54	149	3.60	103
1905	69.8	111	83.6	105	56	105	2.83	125
1904	66.8	152	80.2	147	53.4	153	6.27	38
1903	69.5	123	82.6	122	56.5	92	4.33	83
1902	70	106	84.4	81	55.7	114	3.89	95
1901	72.4	31	87	28	57.8	52	3.40	107
1900	71.4	57	86.2	40	56.6	88	3.22	111
1899	69.7	118	83.7	103	55.8	110	4.17	86
1898	70.7	78	84.4	81	56.9	79	2.57	132
1897	68.2	143	81.7	137	54.7	137	5.66	48
1896	70.6	83	84.7	72	56.6	88	4.66	74
1895	66.5	153	78.7	155	54.3	144	7.69	15
1894	69.6	121	83.4	113	55.8	110	4.36	81
1893	70.7	78	84.9	69	56.5	92	1.62	148
1892	69.4	126	83.1	117	55.7	114	3.10	118
1891	67.2	151	80	149	54.4	143	6.36	32
1890	70.5	89	84.6	75	56.4	97	2.68	127
1889	69.8	111	83.7	103	55.8	110	5.15	62
1888	70	106	84.8	71	55.2	126	2.21	140
1887	69.2	129	83.1	117	55.3	120	5.70	47
1886	70.6	83	84.1	93	57.1	73	4.38	79
1885	68.6	137	82	131	55.2	126	3.17	114
1884	69.2	129	82	131	56.5	92	3.83	98
1883	68.8	135	81	141	56.6	88	3.87	97
1882	69.5	123	81.7	137	57.3	67	6.82	22
1881	73.7	13	85.8	49	61.7	2	4.92	69
1880	70	106	84.2	89	55.9	108	4.06	88
1879	71.5	55	85.5	56	57.4	63	2.34	138
1878	71.7	49	85.4	58	58	45	6.36	32
1877	70.6	83	86.2	40	55	133	3.56	104
1876	70.2	96	85.2	64	55.3	120	4.29	84
1875	69.6	121	83.3	115	55.9	108	6.57	26
1874	73.2	17	88.6	11	57.7	55	5.24	60
1873	71.2	61	87	28	55.5	117	5.65	49
1872	68.5	139	83.4	113	53.5	152	6.51	29

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2012	76.3
2026	75
2024	75
2020	74.9
2022	74.8
2021	74.6
1994	74.1
1934	74.1
2006	74
1936	74

Coldest
Year	Mean, °F
1915	65.8
1967	66
1895	66.5
1904	66.8
1891	67.2
1927	67.5
1912	67.5
1906	67.5
2004	67.6
1928	67.6

Wettest
Year	Precipitation, in
1997	11.69
1965	11.61
1923	10.16
1991	10.00
1999	9.73
2009	9.56
2023	9.13
1979	9.05
1967	8.77
2014	8.40

Driest
Year	Precipitation, in
1917	0.77
1924	0.81
1939	1.08
1940	1.22
2021	1.45
1934	1.45
1959	1.52
1893	1.62
2012	1.81
1964	1.81

The hottest, coldest and wettest days

Hottest day: 103°F; 26 July 2026
Coldest night: 45°F; 16 June 2026
Wettest day: 0.57 in; 1 June 2026

Every month, season and year

Months

Seasons

Years

Denver, CO the day's answers

All-time records

Every answer in words

Summer 2026 brought 4.01 in of precipitation in Denver, CO, the driest summer since 2024, 67th driest of 155.
The hottest day of summer 2026 in Denver, CO: 103°F on Sunday 26 July 2026.
The coldest night of summer 2026 in Denver, CO: a low of 45°F on Tuesday 16 June 2026.
The wettest day of summer 2026 in Denver, CO: 0.57 in on Monday 1 June 2026.