Bismarck, ND: records

4 October 2026: The hottest day on record in Bismarck, ND: 114°F on Monday 6 July 1936.

The record begins: 1874

All-time records

Hottest day: 114°F; 6 July 1936
Coldest night: -45°F; 16 February 1936, 13 January 1916
Wettest day: 4.63 in; 21 August 1998
Warmest night: 83°F; 11 July 1936
Coldest day: -29°F; 4 January 1884

Daily records by decade

New daily records set in Bismarck, ND by decade since the 1900s: the most record highs, 107, came in the 1910s; the most record lows, 85, in the 1910s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1870s	0	0	6
1880s	0	0	10
1890s	0	0	10
1900s	65	63	10
1910s	107	85	10
1920s	72	32	10
1930s	100	30	10
1940s	49	36	10
1950s	51	43	10
1960s	46	47	10
1970s	31	45	10
1980s	31	30	10
1990s	29	25	10
2000s	26	10	10
2010s	38	11	10
2020s	33	11	7

Records by month

Month	Highest	Lowest	Wettest day
January	63°F 8 January 2002	-45°F 13 January 1916	0.67 in 21 January 1952
February	73°F 27 February 2016	-45°F 16 February 1936	1.02 in 25 February 2000
March	81°F 16 March 2012, 25 March 2007, 27 March 1946 and 2 more	-36°F 15 March 1897	1.80 in 21 March 1916
April	93°F 30 April 1992, 21 April 1980	-12°F 1 April 1975	2.35 in 17 April 1878
May	102°F 30 May 1934, 28 May 1934	13°F 3 May 1907	2.65 in 8 May 1927
June	111°F 29 June 2002	30°F 2 June 1969	3.36 in 26 June 1914
July	114°F 6 July 1936	32°F 6 July 1884	4.32 in 15 July 1993
August	109°F 5 August 1941	32°F 28 August 1911, 31 August 1895	4.63 in 21 August 1998
September	105°F 8 September 1959, 7 September 1931	10°F 30 September 1876	4.31 in 15 September 1994
October	95°F 4 October 1963, 1 October 1953	-10°F 31 October 1991, 30 October 1991, 26 October 1919	1.68 in 4 October 2013
November	79°F 7 November 1999	-30°F 29 November 1985	1.23 in 10 November 2022
December	66°F 6 December 2023, 1 December 2021, 6 December 1939	-43°F 31 December 1967	1.16 in 25 December 2016

Streaks, months and years

Longest heat streak	18 days	11 July to 28 July 2021	A high of 90°F or above
Longest cold streak	69 days	23 December 1935 to 29 February 1936	A high of 32°F or below
Wettest month	13.75 in	July 1993
Driest month	a trace	August 2001	and 11 more
Wettest year	30.92 in	1876
Driest year	5.97 in	1936

Every record in words

The coldest night on record in Bismarck, ND: a low of -45°F on Sunday 16 February 1936 and Thursday 13 January 1916.
The wettest day on record in Bismarck, ND: 4.63 in on Friday 21 August 1998.
The warmest night on record in Bismarck, ND: a low of 83°F on Saturday 11 July 1936.
The coldest day on record in Bismarck, ND: a high of -29°F on Friday 4 January 1884.
The longest run of days with a high of 90°F or above in Bismarck, ND: 18 days, from Sunday 11 July to Wednesday 28 July 2021.
The longest run of days with a high of 32°F or below in Bismarck, ND: 69 days, from Monday 23 December 1935 to Saturday 29 February 1936.
The wettest month on record in Bismarck, ND: July 1993, with 13.75 in of precipitation.
The driest month on record in Bismarck, ND: August 2001, with a trace of precipitation (shared with 11 other months).
The wettest year on record in Bismarck, ND: 1876, with 30.92 in of precipitation.
The driest year on record in Bismarck, ND: 1936, with 5.97 in of precipitation.

Bismarck, ND the day's answers