Des Moines, IA: Summer

31 August 2026: Summer 2026 averaged 75.4°F in Des Moines, IA, the warmest summer since 2024, tied 40th warmest of 148 (with 2024 and 2013).

Summer 2026

Mean temperature: 75.4°F; Warmest since 2024; 40th warmest of 148
Precipitation: 18.81 in; Wettest since 2015; 14th wettest of 148

A normal summer in Des Moines, IA (1991 to 2020): a mean temperature of 74.7°F, between 72.2°F and 76.7°F in eight years of ten and 11.89 in of precipitation, between 7.04 in and 21.46 in in eight years of ten.

The mean temperature of every summer in Des Moines, IA since 1879: 75.4°F in 2026; the highest is 79.3°F, in 1936 and 1934.

Normal range, 72.2 to 76.7°F

Every year, ranked, as a table

Every summer in Des Moines, IA from 1878 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	75.4	40	84.1	70	66.6	9	18.81	14	0
2025	75.2	43	84.3	67	66	15	16.99	20	0
2024	75.4	40	85.1	50	65.8	21	16.02	26	0
2023	75.1	45	85.1	50	65.1	38	7.92	122	0
2022	76	21	86.2	25	65.8	21	9.39	101	0
2021	76.3	15	86.5	19	66	15	10.72	85	0
2020	76.2	17	86.1	28	66.3	10	9.26	106	0
2019	74.3	60	83.5	78	65.1	38	16.37	23	0
2018	76.1	19	85.9	32	66.3	10	13.71	51	0
2017	75.6	35	86.4	22	64.9	43	7.27	127	0
2016	76.7	10	86.1	28	67.4	4	14.09	45	0
2015	74.1	66	83	92	65.3	32	19.82	11	0
2014	73.8	76	83	92	64.7	53	21.22	5	0
2013	75.4	40	85.3	45	65.4	29	5.23	143	0
2012	78.5	4	90	3	67	5	5.73	141	0
2011	76.9	8	85.7	36	68.2	2	14.93	34	0
2010	76.8	9	86	30	67.6	3	29.60	2	0
2009	72.4	112	81.7	121	63	100	11.34	80	0
2008	73.2	92	82.6	105	63.7	75	23.57	4	0
2007	75.7	31	85.2	48	66.2	13	12.66	61	0
2006	75.7	31	85.4	42	66.1	14	12.00	70	0
2005	75.9	24	85.8	34	65.9	17	9.29	105	0
2004	70	144	78.9	145	61	138	11.78	73	0
2003	75.1	45	85	53	65.2	36	7.14	130	0
2002	75.1	45	84.7	58	65.6	25	14.16	44	0
2001	74.6	56	84.2	68	65	40	6.14	139	0
2000	72.9	99	82.1	117	63.7	75	13.40	54	0
1999	74.3	60	83.6	76	64.9	43	10.79	84	0
1998	72.9	99	81.4	127	64.5	55	19.86	10	0
1997	73.3	88	82.9	96	63.7	75	10.39	87	0
1996	71.9	125	80.9	133	63	100	9.51	99	0
1995	75.5	36	85.1	50	65.9	17	8.28	120	0
1994	72.2	119	82.6	105	61.8	126	12.40	65	0
1993	72.2	119	80.8	135	63.6	82	29.67	1	0
1992	69.9	145	80.2	140	59.6	146	10.17	92	0
1991	74.8	54	84.8	57	64.8	46	7.66	125	0
1990	73.3	88	82.4	112	64.2	64	20.10	7	0
1989	73.1	98	83.4	82	62.8	105	12.40	65	0
1988	77.6	5	89.8	5	65.4	29	10.58	86	0
1987	75.1	45	85.2	48	65	40	17.22	17	0
1986	73.2	92	82.9	96	63.5	86	15.50	30	0
1985	72.3	115	82.9	96	61.6	131	8.59	117	0
1984	75.5	36	86.6	16	64.5	55	14.28	43	0
1983	79.2	3	90	3	68.3	1	9.10	108	0
1982	72.4	112	81.7	121	63.2	93	14.84	35	0
1981	73.8	76	82.8	99	64.8	46	17.10	19	0
1980	75.8	27	86	30	65.6	25	14.32	42	0
1979	73.2	92	82.7	103	63.7	75	13.81	48	0
1978	74.6	56	85	53	64.2	64	8.79	114	0
1977	75.9	24	87.1	12	64.8	46	17.56	16	0
1976	74.1	66	84.7	58	63.6	82	11.38	79	0
1975	75.8	27	85.8	34	65.8	21	15.75	27	0
1974	73.7	79	84.4	66	63	100	8.76	115	0
1973	75.7	31	85.4	42	65.9	17	12.58	64	0
1972	72.2	119	82	118	62.3	115	15.09	33	0
1971	74	72	84.6	63	63.4	87	8.30	119	0
1970	74.3	60	84.6	63	64	68	9.36	102	0
1969	72.7	105	82.4	112	63.1	97	13.49	52	0
1968	73.2	92	83.2	88	63.2	93	11.95	71	0
1967	70.5	138	80.9	133	60	144	8.99	111	0
1966	73.3	88	83.3	84	63.2	93	9.74	98	0
1965	72.6	107	82.8	99	62.5	109	8.66	116	0
1964	72.5	110	82.6	105	62.4	110	13.80	49	0
1963	73.7	79	83.6	76	63.9	71	9.97	93	0
1962	73.3	88	83	92	63.6	82	8.50	118	0
1961	72.7	105	83.3	84	62	123	12.74	60	0
1960	72.8	102	83	92	62.6	107	12.23	68	0
1959	74.9	52	85.4	42	64.4	59	9.78	97	0
1958	70.9	136	80.7	136	61.1	137	15.63	28	0
1957	74.9	52	85.3	45	64.4	59	9.07	109	0
1956	75	50	86.2	25	63.8	72	7.52	126	0
1955	76	21	87.1	12	64.8	46	7.17	129	0
1954	75.8	27	86.2	25	65.4	29	16.78	21	0
1953	75.2	43	86.6	16	63.7	75	6.45	136	0
1952	74	72	84.7	58	63.4	87	14.01	47	0
1951	70.8	137	80.3	139	61.3	135	13.06	57	0
1950	69.4	146	79.4	142	59.4	147	9.80	95	0
1949	75	50	85.5	39	64.4	59	9.42	100	0
1948	74.1	66	85	53	63.3	90	11.71	74	0
1947	75.1	45	85.6	37	64.5	55	10.37	88	3
1946	72.2	119	81.9	119	62.1	118	11.71	74	5
1945	70.5	138	80.4	138	60.7	140	7.06	132	0
1944	72.9	99	82.8	99	63	100	12.30	67	0
1943	74.1	66	83.5	78	64.7	53	19.10	13	0
1942	72.8	102	82.4	112	63.3	90	16.06	25	0
1941	74.2	64	84.7	58	63.7	75	10.19	91	0
1940	73.8	76	84.1	70	63.6	82	15.56	29	0
1939	74.3	60	84.6	63	64.1	67	17.14	18	0
1938	76	21	86.6	16	65.3	32	7.90	123	0
1937	75.8	27	86.4	22	65.2	36	7.25	128	0
1936	79.3	1	91.8	2	66.8	6	6.75	135	0
1935	74.4	59	84	73	64.9	43	12.66	61	0
1934	79.3	1	91.9	1	66.8	6	7.09	131	0
1933	76.5	13	87.7	9	65.3	32	6.14	139	0
1932	74.7	55	84.7	58	64.8	46	14.56	39	0
1931	75.9	24	86.5	19	65.3	32	13.40	54	0
1930	75.5	36	86.5	19	64.5	55	5.25	142	0
1929	72.6	107	82.8	99	62.4	110	8.96	112	0
1928	71.9	125	81.6	123	62.1	118	20.05	9	0
1927	71	135	81.4	127	60.5	142	4.23	145	0
1926	73.4	86	83.5	78	63.3	90	12.75	59	0
1925	74.1	66	84.9	56	63.2	93	13.44	53	0
1924	71.5	131	81	132	62.1	118	14.43	41	0
1923	73.9	74	83.4	82	64.4	59	11.07	82	0
1922	73.9	74	83.7	74	64.2	64	15.39	32	0
1921	76.4	14	85.9	32	66.8	6	13.78	50	0
1920	72.6	107	82.5	109	62.6	107	9.02	110	0
1919	75.5	36	85.5	39	65.6	25	12.23	68	0
1918	75.7	31	86.4	22	65	40	9.35	104	0
1917	71.9	125	82.3	115	61.4	133	11.56	78	0
1916	74.6	56	85.3	45	64	68	6.36	138	0
1915	68.5	148	77.6	148	59.4	147	14.70	37	0
1914	76.3	15	87.1	12	65.6	25	6.88	133	0
1913	76.7	10	87.6	10	65.9	17	8.01	121	0
1912	72.3	115	82.2	116	62.4	110	9.19	107	0
1911	76.2	17	87.5	11	64.8	46	3.73	147	0
1910	73.2	92	84.2	68	62.3	115	6.37	137	0
1909	73.7	79	83.1	90	64.4	59	11.58	77	0
1908	71.3	133	80.7	136	61.9	125	14.03	46	0
1907	71.5	131	81.1	131	62	123	19.36	12	0
1906	72	123	82.5	109	61.5	132	11.33	81	0
1905	72.4	112	81.6	123	63.1	97	15.47	31	0
1904	70.1	142	79.6	141	60.5	142	11.62	76	0
1903	70.1	142	79.4	142	60.8	139	13.40	54	0
1902	70.3	140	78.8	146	61.8	126	21.04	6	0
1901	77.5	6	89.3	7	65.7	24	4.80	144	0
1900	74.1	66	84.1	70	64	68	18.06	15	0
1899	73.5	82	83.2	88	63.8	72	10.26	89	0
1898	73.4	86	83.7	74	63.1	97	9.80	95	0
1897	72.3	115	82.5	109	62.1	118	7.80	124	0
1896	72	123	81.6	123	62.4	110	16.33	24	0
1895	72.3	115	82.7	103	61.8	126	11.93	72	0
1894	76.1	19	88.8	8	63.4	87	3.85	146	0
1893	73.5	82	85.5	39	61.4	133	9.84	94	0
1892	71.6	129	81.2	130	62.1	118	14.50	40	0
1891	69.2	147	78.4	147	60	144	12.60	63	0
1890	73.2	92	83.5	78	62.9	104	9.36	102	0
1889	71.3	133	81.9	119	60.7	140	11.01	83	0
1888	72.5	110	82.6	105	62.3	115	10.26	89	0
1887	74.2	64	85.6	37	62.8	105	6.85	134	0
1886	77.3	7	89.7	6	64.8	46	2.58	148	0
1885	72.8	102	83.1	90	62.4	110	16.68	22	0
1884	71.6	129	81.4	127	61.8	126	14.84	35	0
1883	71.7	128	81.6	123	61.8	126	13.00	58	0
1882	70.3	140	79.4	142	61.2	136	20.08	8	0
1881	76.6	12	86.8	15	66.3	10	26.65	3	0
1880	73.5	82	83.3	84	63.7	75	14.62	38	0
1879	73.5	82	83.3	84	63.8	72	8.96	112	0
1878									61

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1936	79.3
1934	79.3
1983	79.2
2012	78.5
1988	77.6
1901	77.5
1886	77.3
2011	76.9
2010	76.8
2016	76.7
More years share the last value

Coldest
Year	Mean, °F
1915	68.5
1891	69.2
1950	69.4
1992	69.9
2004	70
1904	70.1
1903	70.1
1902	70.3
1882	70.3
1967	70.5
More years share the last value

Wettest
Year	Precipitation, in
1993	29.67
2010	29.60
1881	26.65
2008	23.57
2014	21.22
1902	21.04
1990	20.10
1882	20.08
1928	20.05
1998	19.86

Driest
Year	Precipitation, in
1886	2.58
1911	3.73
1894	3.85
1927	4.23
1901	4.80
2013	5.23
1930	5.25
2012	5.73
2001	6.14
1933	6.14

The hottest, coldest and wettest days

Hottest day: 98°F; 20 July 2026
Coldest night: 53°F; 19 June 2026, 15 June 2026
Wettest day: 3.26 in; 3 July 2026

Every month, season and year

Months

Seasons

Years

Des Moines, IA the day's answers

All-time records

Every answer in words

Summer 2026 brought 18.81 in of precipitation in Des Moines, IA, the wettest summer since 2015, 14th wettest of 148.
The hottest day of summer 2026 in Des Moines, IA: 98°F on Monday 20 July 2026.
The coldest night of summer 2026 in Des Moines, IA: a low of 53°F on Friday 19 June 2026 and Monday 15 June 2026.
The wettest day of summer 2026 in Des Moines, IA: 3.26 in on Friday 3 July 2026.