Bismarck, ND: Summer

31 August 2026: Summer 2026 averaged 71.3°F in Bismarck, ND, the warmest summer since 2022, tied 10th warmest of 152 (with 1937 and 1894).

Summer 2026

Mean temperature: 71.3°F; Warmest since 2022; 10th warmest of 152
Precipitation: 4.52 in; Driest since 2021; 21st driest of 152

A normal summer in Bismarck, ND (1991 to 2020): a mean temperature of 69.1°F, between 65.4°F and 70.8°F in eight years of ten and 8.33 in of precipitation, between 4.80 in and 14.04 in in eight years of ten.

The mean temperature of every summer in Bismarck, ND since 1875: 71.3°F in 2026; the highest is 75.1°F, in 1936.

Normal range, 65.4 to 70.8°F

Every year, ranked, as a table

Every summer in Bismarck, ND from 1875 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	71.3	10	85.2	12	57.3	20	4.52	132	0
2025	68.7	58	81.1	75	56.4	41	7.99	64	0
2024	68.9	56	81.5	66	56.3	44	8.65	49	0
2023	70.4	21	83	34	57.9	8	9.01	45	0
2022	71.5	8	85.1	13	58	7	6.18	98	0
2021	75	2	89.9	1	60	2	4.25	134	0
2020	72.7	3	86.8	6	58.7	6	4.83	130	0
2019	69.1	48	80.5	88	57.7	12	11.66	12	0
2018	70.8	15	84.2	22	57.3	20	8.38	56	0
2017	70.3	23	84.5	17	56.2	49	8.51	53	0
2016	69.6	38	82.7	43	56.4	41	11.36	13	0
2015	69.5	40	82.9	37	56	54	7.90	66	0
2014	66.9	105	78.4	123	55.4	67	8.50	54	0
2013	68.6	66	81.6	63	55.6	64	5.71	107	0
2012	70.2	25	84.5	17	56	54	7.13	79	0
2011	67.9	84	80.3	94	55.4	67	12.45	7	0
2010	69	52	82	53	56.1	53	8.23	60	0
2009	65.1	139	77.4	135	52.8	132	11.67	11	0
2008	68.6	66	82.5	45	54.7	88	7.89	67	0
2007	69.9	30	83	34	56.9	29	7.83	70	0
2006	72.2	5	87.2	4	57.3	20	3.91	139	0
2005	69.3	44	82.4	46	56.3	44	11.75	10	0
2004	65.4	134	78.7	118	52.2	141	8.29	59	0
2003	70.6	19	84.3	19	57	25	3.73	141	0
2002	70.7	18	84.9	15	56.6	38	6.53	89	0
2001	69.9	30	82.9	37	56.8	31	14.22	2	0
2000	68.6	66	81.2	72	55.9	57	10.13	25	0
1999	68.4	74	80.6	85	56.2	49	14.04	4	0
1998	69	52	81.6	63	56.3	44	14.08	3	0
1997	70.2	25	84.1	23	56.3	44	4.51	133	0
1996	68.4	74	82.2	50	54.7	88	8.65	49	0
1995	69	52	81.8	59	56.2	49	8.37	57	0
1994	66.8	106	80.6	85	52.9	128	5.44	116	0
1993	63.8	149	75.2	150	52.4	139	20.21	1	0
1992	63.6	151	76.8	141	50.4	151	7.08	80	0
1991	71.2	13	85.4	10	57	25	5.06	123	0
1990	69.2	47	83.1	33	55.4	67	7.63	71	0
1989	69.9	30	84.7	16	55.1	76	4.08	137	0
1988	72.7	3	88.5	3	56.9	29	4.92	127	0
1987	68.5	70	82	53	54.9	83	9.14	42	0
1986	67.3	97	80.1	99	54.5	98	9.80	29	0
1985	64.5	145	77.7	132	51.3	147	6.96	83	0
1984	68.3	78	82	53	54.6	93	5.26	120	0
1983	69.9	30	84	24	55.8	61	5.86	102	0
1982	65.7	131	78.8	116	52.6	137	5.73	105	0
1981	67.4	96	80.4	92	54.3	104	8.68	47	0
1980	68	81	80.9	79	55	82	9.86	27	0
1979	66.7	107	79.9	101	53.5	122	5.71	107	0
1978	66.6	110	80.3	94	53	126	5.58	110	0
1977	65.9	124	79.7	108	52.1	143	5.66	109	0
1976	70.4	21	86	8	54.8	84	3.44	144	0
1975	67.6	91	80.5	88	54.7	88	7.87	69	0
1974	66.6	110	82.3	48	50.9	149	3.12	146	0
1973	67.9	84	83.9	26	52	145	2.69	149	0
1972	67.5	93	80.8	82	54.2	108	5.11	122	0
1971	67.8	87	82.2	50	53.4	124	4.93	126	0
1970	69.4	42	84	24	54.7	88	5.54	113	0
1969	68	81	81.4	67	54.5	98	8.17	61	0
1968	64.5	145	77.2	136	51.7	146	11.26	14	0
1967	65.9	124	81.1	75	50.6	150	2.35	151	0
1966	67	103	80.3	94	53.8	116	10.12	26	0
1965	66.4	114	78.3	124	54.5	98	9.31	38	0
1964	66.5	112	80.2	97	52.9	128	8.65	49	0
1963	69.7	35	82.7	43	56.8	31	9.60	31	0
1962	67.7	89	80.7	84	54.7	88	6.36	95	0
1961	70.8	15	87.1	5	54.4	102	3.71	142	0
1960	69.4	42	83.6	28	55.2	73	7.89	67	0
1959	71.5	8	86.3	7	56.7	35	4.10	136	0
1958	66.3	117	79.8	107	52.7	134	6.02	100	0
1957	69.3	44	81.8	59	56.7	35	5.72	106	0
1956	68.5	70	81.2	72	55.8	61	8.07	63	0
1955	69.5	40	82.3	48	56.8	31	7.31	77	0
1954	67.8	87	79.9	101	55.7	63	10.27	23	0
1953	68.7	58	81.1	75	56.3	44	7.49	74	0
1952	68.4	74	82.8	41	54.1	109	5.49	114	0
1951	64.9	141	77.1	137	52.6	137	11.02	17	1
1950	66.2	118	80.2	97	52.2	141	3.76	140	0
1949	69.7	35	84.3	19	55.1	76	8.67	48	0
1948	68.8	57	81.7	61	55.9	57	6.95	85	0
1947	69.1	48	81.7	61	56.5	40	11.10	15	0
1946	68.6	66	81.9	56	55.2	73	6.21	97	0
1945	65.8	128	78.7	118	52.8	132	5.48	115	0
1944	66.7	107	78.9	114	54.6	93	10.91	18	0
1943	68.1	80	80.4	92	55.9	57	10.31	22	0
1942	66	120	77.8	130	54.3	104	7.55	72	0
1941	70.1	27	82.9	37	57.4	18	10.87	19	0
1940	69.3	44	83.5	29	55.1	76	5.80	103	0
1939	68.7	58	81.4	67	56	54	9.75	30	0
1938	70.1	27	83	34	57.2	24	6.37	94	0
1937	71.3	10	83.5	29	59.2	3	9.38	36	0
1936	75.1	1	88.8	2	61.4	1	1.19	152	0
1935	68.7	58	80.8	82	56.6	38	9.42	34	0
1934	70.1	27	82.9	37	57.3	20	4.87	129	0
1933	72.1	6	85.3	11	59	4	4.04	138	0
1932	69.7	35	81.9	56	57.6	15	4.56	131	0
1931	69.6	38	81.6	63	57.6	15	6.63	87	0
1930	70.3	23	82.8	41	57.7	12	5.80	103	0
1929	69.1	48	83.3	31	54.8	84	2.90	147	0
1928	65.2	137	76.5	144	53.8	116	11.98	8	0
1927	65.4	134	76.4	145	54.3	104	8.10	62	0
1926	67.5	93	79.7	108	55.2	73	4.99	125	0
1925	67.1	102	79.9	101	54.4	102	8.93	46	0
1924	64.7	144	76.3	146	53	126	9.52	32	0
1923	68.5	70	79.9	101	57	25	7.39	76	0
1922	69	52	81.3	70	56.7	35	6.23	96	0
1921	71.9	7	85	14	58.8	5	3.28	145	0
1920	68.7	58	81.2	72	56.2	49	5.36	118	0
1919	71	14	84.3	19	57.8	11	2.85	148	0
1918	67.6	91	80.5	88	54.6	93	5.30	119	0
1917	67.3	97	80.9	79	53.7	118	5.02	124	0
1916	67.3	97	79.2	112	55.3	72	7.50	73	0
1915	62	152	73.6	152	50.4	151	13.16	6	0
1914	67.3	97	79.1	113	55.5	66	13.96	5	0
1913	68.7	58	82.1	52	55.4	67	5.55	111	0
1912	66	120	78.1	128	53.9	114	9.06	43	0
1911	66.5	112	79.5	110	53.6	121	6.58	88	0
1910	68.5	70	82.4	46	54.6	93	5.14	121	0
1909	68.7	58	80.9	79	56.4	41	9.37	37	0
1908	66.1	119	79.4	111	52.9	128	5.55	111	0
1907	65.8	128	78.9	114	52.7	134	8.56	52	0
1906	65.9	124	77.1	137	54.8	84	7.97	65	0
1905	65.5	132	76.8	141	54.1	109	10.56	20	0
1904	64.2	148	76.1	148	52.3	140	5.94	101	0
1903	65.4	134	77.1	137	53.7	118	9.21	40	0
1902	64.5	145	76.1	148	52.9	128	7.01	81	0
1901	68.7	58	79.9	101	57.4	18	9.42	34	0
1900	70.5	20	83.2	32	57.7	12	6.38	93	0
1899	66.7	107	78.5	120	54.8	84	6.99	82	0
1898	67.7	89	80	100	55.4	67	4.20	135	0
1897	66.4	114	78.3	124	54.5	98	7.22	78	0
1896	67.2	101	80.5	88	53.9	114	5.44	116	0
1895	64.8	142	78.5	120	51.2	148	6.49	90	0
1894	71.3	10	85.6	9	57	25	2.48	150	0
1893	68.4	74	81.3	70	55.6	64	6.48	91	0
1892	65.5	132	77.1	137	54	113	9.02	44	0
1891	63.8	149	74.9	151	52.7	134	9.82	28	0
1890	68.3	78	81.4	67	55.1	76	10.23	24	0
1889	68	81	81	78	55.1	76	3.57	143	0
1888	65.8	128	77.5	133	54.1	109	10.46	21	0
1887	67.9	84	79.9	101	55.9	57	6.96	83	0
1886	70.8	15	83.7	27	57.9	8	4.91	128	0
1885	65.2	137	76.7	143	53.7	118	6.42	92	0
1884	66	120	77.8	130	54.1	109	11.05	16	0
1883	66.4	114	78.2	126	54.6	93	6.14	99	0
1882	67.5	93	78.2	126	56.8	31	8.49	55	0
1881	69.1	48	80.6	85	57.5	17	8.37	57	0
1880	65.9	124	77.5	133	54.3	104	9.16	41	0
1879	67	103	78.8	116	55.1	76	11.93	9	0
1878	69.9	30	81.9	56	57.9	8	6.74	86	0
1877	64.8	142	76.3	146	53.3	125	7.47	75	0
1876	66	120	78.5	120	53.5	122	9.27	39	0
1875	65	140	77.9	129	52.1	143	9.45	33	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1936	75.1
2021	75
2020	72.7
1988	72.7
2006	72.2
1933	72.1
1921	71.9
2022	71.5
1959	71.5
2026	71.3
More years share the last value

Coldest
Year	Mean, °F
1915	62
1992	63.6
1993	63.8
1891	63.8
1904	64.2
1985	64.5
1968	64.5
1902	64.5
1924	64.7
1895	64.8
More years share the last value

Wettest
Year	Precipitation, in
1993	20.21
2001	14.22
1998	14.08
1999	14.04
1914	13.96
1915	13.16
2011	12.45
1928	11.98
1879	11.93
2005	11.75

Driest
Year	Precipitation, in
1936	1.19
1967	2.35
1894	2.48
1973	2.69
1919	2.85
1929	2.90
1974	3.12
1921	3.28
1976	3.44
1889	3.57

The hottest, coldest and wettest days

Hottest day: 107°F; 26 July 2026
Coldest night: 42°F; 16 June 2026
Wettest day: 0.79 in; 27 June 2026

Every month, season and year

Months

Seasons

Years

Bismarck, ND the day's answers

All-time records

Every answer in words

Summer 2026 brought 4.52 in of precipitation in Bismarck, ND, the driest summer since 2021, 21st driest of 152.
The hottest day of summer 2026 in Bismarck, ND: 107°F on Sunday 26 July 2026.
The coldest night of summer 2026 in Bismarck, ND: a low of 42°F on Tuesday 16 June 2026.
The wettest day of summer 2026 in Bismarck, ND: 0.79 in on Saturday 27 June 2026.