Dubuque, IA: Summer

31 August 2026: Summer 2026 averaged 71.8°F in Dubuque, IA, the warmest summer since 2025, tied 60th warmest of 153 (with 1892 and 1888).

Summer 2026

Mean temperature: 71.8°F; Warmest since 2025; 60th warmest of 153
Precipitation: 16.63 in; Wettest since 2025; 28th wettest of 153

A normal summer in Dubuque, IA (1991 to 2020): a mean temperature of 70.3°F, between 68.5°F and 72.2°F in eight years of ten and 13.30 in of precipitation, between 7.90 in and 22.31 in in eight years of ten.

The mean temperature of every summer in Dubuque, IA since 1874: 71.8°F in 2026; the highest is 76.1°F, in 1901.

Normal range, 68.5 to 72.2°F

Every year, ranked, as a table

Every summer in Dubuque, IA from 1874 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	71.8	60	81	78	62.6	43	16.63	28	0
2025	72.2	49	81.7	58	62.7	41	17.27	22	0
2024	71.3	70	80.9	79	61.7	60	14.54	52	0
2023	71.1	75	82.2	50	60.1	102	10.49	93	0
2022	71.4	68	81.2	69	61.5	66	13.24	69	0
2021	72.4	45	82.6	44	62.3	48	13.02	71	0
2020	72.2	49	82.7	41	61.7	60	10.07	100	0
2019	70.2	95	79.8	104	60.7	85	13.89	57	0
2018	71.3	70	80.7	82	61.9	54	19.04	15	0
2017	68.9	135	79.3	118	58.6	139	13.71	60	1
2016	71.4	68	80.7	82	62.2	50	18.21	17	1
2015	69.1	129	78.7	132	59.5	117	12.06	81	0
2014	69	131	78.3	139	59.7	109	17.77	20	0
2013	69.4	121	79.3	118	59.7	109	9.11	116	2
2012	72.8	39	84.5	12	61	80	5.89	146	1
2011	71.9	56	81.5	63	62.3	48	22.82	3	0
2010	72.1	53	81.2	69	63	29	24.02	2	0
2009	66.6	151	75.6	153	57.6	147	19.16	13	0
2008	69.7	110	79.8	104	59.6	114	13.85	58	0
2007	70.8	82	80.6	85	60.9	82	17.12	23	0
2006	70.8	82	80.3	94	61.3	68	12.53	77	0
2005	71.9	56	82.8	39	61.1	75	9.58	106	0
2004	66.8	150	76.5	149	57.1	151	7.95	132	0
2003	69.7	110	80.5	88	59	130	7.46	135	0
2002	71.2	73	81.2	69	61.1	75	22.25	4	0
2001	70.5	88	80.3	94	60.7	85	8.60	121	0
2000	69.3	124	78.5	137	60.2	98	12.88	72	0
1999	70.7	84	79.9	102	61.4	67	15.50	42	0
1998	70.3	91	79.3	118	61.3	68	15.73	38	0
1997	69.1	129	78.4	138	59.8	107	11.45	86	0
1996	69	131	78.7	132	59.4	119	9.55	107	0
1995	73.6	18	83.6	21	63.7	14	5.67	148	0
1994	68.7	136	78.6	136	58.9	133	19.14	14	0
1993	69.6	113	78	144	61.1	75	24.59	1	0
1992	65.9	153	75.9	152	55.9	153	10.17	97	0
1991	72.2	49	82.7	41	61.7	60	8.11	128	0
1990	70.1	97	79.3	118	60.8	83	17.97	19	0
1989	69.5	116	80.1	99	58.8	135	9.21	113	0
1988	74	12	86.9	4	61.2	73	6.40	145	0
1987	71.7	63	81.6	60	61.9	54	17.50	21	0
1986	68.6	141	78.2	141	59	130	12.76	75	0
1985	68	146	78.7	132	57.4	148	6.72	144	0
1984	70.6	86	81.8	56	59.4	119	9.87	102	0
1983	74.1	11	85.1	8	63.1	25	7.17	137	0
1982	69.6	113	80.1	99	59.2	123	15.24	45	0
1981	70.5	88	80.2	97	60.7	85	18.01	18	0
1980	72.5	43	82.5	48	62.5	44	16.53	29	0
1979	69.5	116	79.2	127	59.7	109	18.52	16	0
1978	69.9	105	80.6	85	59.2	123	7.11	139	0
1977	69.5	116	79.7	107	59.4	119	14.72	51	0
1976	70.1	97	81.8	56	58.3	143	7.12	138	0
1975	70.5	88	80.3	94	60.7	85	12.34	79	0
1974	68.3	145	78.2	141	58.5	142	13.65	62	0
1973	71.2	73	80.8	81	61.6	64	8.01	130	0
1972	69.4	121	79.3	118	59.5	117	13.53	65	0
1971	69.4	121	79.7	107	59	130	8.77	119	0
1970	70.3	91	80.4	92	60.2	98	12.27	80	0
1969	68.7	136	78.7	132	58.8	135	15.96	34	0
1968	69.5	116	79.5	112	59.6	114	15.59	40	0
1967	67.8	147	78.2	141	57.4	148	11.57	83	0
1966	70	101	81.3	65	58.7	138	14.43	55	0
1965	69	131	79.3	118	58.6	139	14.83	49	0
1964	70	101	80.4	92	59.7	109	12.69	76	0
1963	70.7	84	81.5	63	59.9	105	15.75	36	0
1962	68.5	143	78.3	139	58.8	135	13.65	62	0
1961	69.5	116	79.7	107	59.2	123	20.52	11	0
1960	68.7	136	78.9	130	58.6	139	8.53	122	0
1959	70.9	80	80.9	79	61	80	15.18	46	0
1958	67.3	148	77.4	148	57.1	151	10.67	91	0
1957	69.9	105	80	101	59.8	107	15.41	43	0
1956	71	78	82	53	60	104	8.40	123	0
1955	72.4	45	83	34	61.8	58	9.28	111	0
1954	71.1	75	81.1	76	61.1	75	15.08	47	0
1953	71	78	81.3	65	60.8	83	15.51	41	0
1952	71.1	75	81.6	60	60.7	85	9.65	104	0
1951	67.2	149	76.4	150	57.9	145	13.66	61	0
1950	69.3	124	79.3	118	59.2	123	13.36	68	0
1949	74.9	7	84.5	12	65.3	2	15.74	37	0
1948	72.9	36	82.9	36	62.9	32	9.26	112	0
1947	73.2	26	83.1	32	63.3	19	19.31	12	0
1946	71.3	70	81.3	65	61.3	68	8.30	125	0
1945	69.8	107	79.8	104	59.9	105	11.38	88	0
1944	72.5	43	82.2	50	62.8	35	20.55	8	0
1943	74.2	10	83.4	23	65.1	3	13.72	59	0
1942	72	54	81.2	69	62.8	35	12.46	78	0
1941	73.8	15	83.7	20	63.9	10	7.06	140	0
1940	73.1	28	82.6	44	63.6	15	16.91	24	0
1939	73.3	24	83.3	27	63.3	19	14.74	50	0
1938	73.3	24	82.8	39	63.9	10	16.71	27	0
1937	74	12	84.4	14	63.6	15	9.18	115	0
1936	75.5	2	87.7	2	63.4	18	9.05	117	0
1935	72.7	40	82	53	63.3	19	13.19	70	0
1934	75.2	5	86	6	64.4	7	11.87	82	0
1933	74.5	9	84.9	9	64.1	9	7.90	133	0
1932	73.5	20	83.2	30	63.8	12	10.20	96	0
1931	75.4	3	86.1	5	64.8	6	6.90	142	0
1930	73.1	28	83.3	27	62.9	32	8.07	129	0
1929	70.3	91	80.2	97	60.4	95	7.99	131	0
1928	70	101	79.3	118	60.7	85	16.47	31	0
1927	68.7	136	79.1	128	58.2	144	4.62	150	0
1926	70.2	95	79.4	115	61.1	75	11.50	85	0
1925	71.7	63	81.7	58	61.6	64	20.64	7	0
1924	68.7	136	77.8	146	59.6	114	16.53	29	0
1923	73	31	82.9	36	63.1	25	10.10	99	0
1922	71.6	66	81.1	76	62.1	53	9.20	114	0
1921	75.2	5	84.7	10	65.8	1	10.31	94	0
1920	70.6	86	80.6	85	60.6	93	9.79	103	0
1919	73.4	23	83.1	32	63.8	12	15.64	39	0
1918	71.9	56	81.3	65	62.5	44	16.01	32	0
1917	69.2	127	79	129	59.4	119	9.33	110	0
1916	73.2	26	83.3	27	63.1	25	6.95	141	0
1915	66.6	151	76	151	57.3	150	10.98	90	0
1914	73.1	28	82.9	36	63.2	23	11.39	87	0
1913	73.5	20	83.9	18	63.2	23	7.83	134	0
1912	70	101	79.6	110	60.3	97	13.53	65	0
1911	72.9	36	83.2	30	62.5	44	15.98	33	0
1910	73	31	84.2	17	61.7	60	6.86	143	0
1909	71.9	56	81.2	69	62.5	44	9.41	108	0
1908	70.1	97	79.9	102	60.4	95	7.19	136	0
1907	70.1	97	79.5	112	60.7	85	15.08	47	0
1906	71.5	67	81.2	69	61.9	54	9.37	109	0
1905	71.7	63	80.5	88	62.9	32	8.91	118	0
1904	69.2	127	79.5	112	58.9	133	5.18	149	0
1903	68.5	143	77.9	145	59.2	123	14.53	53	0
1902	69	131	77.6	147	60.5	94	15.34	44	0
1901	76.1	1	87.3	3	64.9	5	3.79	151	0
1900	73.5	20	83.4	23	63.6	15	13.39	67	0
1899	73	31	83	34	63	29	10.15	98	0
1898	72.2	49	82.2	50	62.2	50	11.56	84	0
1897	70.9	80	81.2	69	60.7	85	8.21	126	0
1896	72.4	45	83.6	21	61.2	73	12.88	72	0
1895	73.9	14	86	6	61.8	58	5.80	147	0
1894	75.3	4	88.3	1	62.2	50	3.59	152	0
1893	73	31	83.4	23	62.7	41	9.64	105	0
1892	71.8	60	80.7	82	62.8	35	21.75	6	0
1891	69.6	113	78.9	130	60.2	98	10.24	95	0
1890	72.6	42	82.4	49	62.8	35	16.80	25	0
1889	70.3	91	80.5	88	60.2	98	8.35	124	0
1888	71.8	60	81.6	60	61.9	54	10.60	92	0
1887	73.7	17	84.4	14	63	29	8.16	127	0
1886	73	31	84.7	10	61.3	68	2.27	153	0
1885	69.8	107	79.4	115	60.1	102	20.53	10	0
1884	69.8	107	80.5	88	59.1	129	14.44	54	0
1883	69.7	110	79.6	110	59.7	109	15.94	35	0
1882	68.6	141	79.3	118	57.9	145	10.06	101	0
1881	73.8	15	83.4	23	64.3	8	20.55	8	0
1880	73.6	18	83.8	19	63.3	19	16.72	26	0
1879	72.3	48	81.9	55	62.8	35	14.20	56	0
1878	72.9	36	82.7	41	63.1	25	12.78	74	0
1877	72	54	82.6	44	61.3	68	13.61	64	0
1876	72.7	40	82.6	44	62.8	35	21.95	5	0
1875	69.3	124	79.4	115	59.2	123	11.21	89	0
1874	74.7	8	84.3	16	65	4	8.66	120	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1901	76.1
1936	75.5
1931	75.4
1894	75.3
1934	75.2
1921	75.2
1949	74.9
1874	74.7
1933	74.5
1943	74.2

Coldest
Year	Mean, °F
1992	65.9
2009	66.6
1915	66.6
2004	66.8
1951	67.2
1958	67.3
1967	67.8
1985	68
1974	68.3
1962	68.5
More years share the last value

Wettest
Year	Precipitation, in
1993	24.59
2010	24.02
2011	22.82
2002	22.25
1876	21.95
1892	21.75
1925	20.64
1944	20.55
1881	20.55
1885	20.53

Driest
Year	Precipitation, in
1886	2.27
1894	3.59
1901	3.79
1927	4.62
1904	5.18
1995	5.67
1895	5.80
2012	5.89
1988	6.40
1985	6.72

The hottest, coldest and wettest days

Hottest day: 93°F; 27 July 2026
Coldest night: 49°F; 15 June 2026
Wettest day: 3.01 in; 31 July 2026

Every month, season and year

Months

Seasons

Years

Dubuque, IA the day's answers

All-time records

Every answer in words

Summer 2026 brought 16.63 in of precipitation in Dubuque, IA, the wettest summer since 2025, 28th wettest of 153.
The hottest day of summer 2026 in Dubuque, IA: 93°F on Monday 27 July 2026.
The coldest night of summer 2026 in Dubuque, IA: a low of 49°F on Monday 15 June 2026.
The wettest day of summer 2026 in Dubuque, IA: 3.01 in on Friday 31 July 2026.