| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 23.1 | 2.3 | 63 | -44 | 0.5 | 8.9 |
| February | 27.8 | 7.1 | 73 | -46 | 0.5 | 7.5 |
| March | 40.9 | 19.0 | 81 | -31 | 0.8 | 8.5 |
| April | 56.0 | 30.3 | 93 | -12 | 1.3 | 4.6 |
| May | 68.3 | 42.5 | 102 | 15 | 2.5 | 0.4 |
| June | 77.9 | 53.0 | 111 | 30 | 3.4 | 0.0 |
| July | 84.7 | 58.0 | 115 | 35 | 3.1 | 0.0 |
| August | 83.5 | 55.8 | 109 | 32 | 2.5 | 0.0 |
| September | 73.4 | 46.0 | 105 | 11 | 1.7 | 0.0 |
| October | 57.1 | 32.6 | 95 | -14 | 1.4 | 2.5 |
| November | 40.6 | 19.2 | 79 | -30 | 0.7 | 8.0 |
| December | 27.7 | 8.1 | 66 | -46 | 0.6 | 9.8 |
| Entire year | 55.2 | 31.3 | 115 | -46 | 19.0 | 50.0 |
|
More Bismarck Weather Records
1913–2024
|
||
|---|---|---|
| Highest daily low | 83 °F | July 11, 1936 |
| Lowest daily high | -26 °F | February 1, 1996 |
| Greatest daily range (Difference of high and low) |
75 °F | January 24, 1935 |
| Greatest difference in daily high over two conscutive days |
53 °F | Jan 16–17, 1967 |
| Most daily precipitation | 4.6 inches | August 21, 1998 |
| Most monthly precipitation | 13.8 inches | July 1993 |
| Most yearly precipitation | 29.6 inches | 2019 |
| Most yearly days with precipitation | 125 | 2019 |
| Earliest snow in season | September 16 | 1965 |
| Latest snow in season | May 26 | 1965 |
| Most daily snow | 17.3 inches | April 14, 2013 |
| Most monthly snow | 33.3 inches | December 2008 |
| Most yearly snow | 103.1 inches | 1996 |
| Most snow in a winter | 101.6 inches | 1996–1997 |
| Greatest snow accumulation | 28.0 inches | February 23, 1979 |
| Earliest freeze | September 3 | 1974 |
| Earliest day ≥ 80 °F | March 16 | 2012 |
| Earliest day ≥ 90 °F | April 13 | 2003 |
| Earliest day ≥ 100 °F | May 27 | 1934 |
| Latest freeze | June 2 | 1969 |
| Latest day ≥ 80 °F | October 30 | 1950 |
| Latest day ≥ 90 °F | October 10 | 2015 |
| Latest day ≥ 100 °F | September 15 | 1948 |
| Most days in a year < 0 °F | 75 | 1950 |
| Most days in a year < 32 °F | 202 | 2013 |
| Most days in a year ≥ 80 °F | 110 | 2021 |
| Most days in a year ≥ 90 °F | 55 | 1936 |
| Most days in a year ≥ 100 °F | 19 | 1936 |
| Most days in a year ≥ 110 °F | 3 | 1936 |
|
Bismarck Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 12 days | Dec 28, 1993 – Jan 8, 1994 |
| Without precipitation | 51 days | Oct 28 – Dec 17, 1939 |
| With snow | 12 days | Dec 28, 1993 – Jan 8, 1994 |
| High temperature at or below freezing |
65 days | Dec 18, 1977 – Feb 20, 1978 |
| High temperature ≥ 80 °F | 71 days | Jun 13 – Aug 22, 1919 |
| High temperature ≥ 90 °F | 18 days | Jul 11–28, 2021 |
| High temperature ≥ 100 °F | 8 days | Jul 5–12, 1936 |