| Month | Average (°F) | Record (°F) | Average (inches) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 22.3 | 2.6 | 63 | -43 | 0.3 |
| February | 27.6 | 6.7 | 68 | -46 | 0.4 |
| March | 39.5 | 18.2 | 82 | -30 | 0.6 |
| April | 54.2 | 30.5 | 94 | -8 | 1.1 |
| May | 66.5 | 42.6 | 102 | 13 | 2.6 |
| June | 75.9 | 52.9 | 110 | 28 | 3.4 |
| July | 82.6 | 58.0 | 115 | 36 | 3.2 |
| August | 81.8 | 55.6 | 109 | 32 | 2.1 |
| September | 72.1 | 45.7 | 104 | 14 | 1.6 |
| October | 56.1 | 31.9 | 96 | -14 | 1.5 |
| November | 39.9 | 19.1 | 80 | -26 | 0.6 |
| December | 26.8 | 8.0 | 66 | -46 | 0.4 |
| Entire year | 54.1 | 31.3 | 115 | -46 | 18.4 |
|
More Mandan Weather Records
1913–2024
|
||
|---|---|---|
| Highest daily low | 83 °F | July 11, 1936 |
| Lowest daily high | -28 °F | February 2, 1996 |
| Greatest daily range (Difference of high and low) |
75 °F | January 24, 1935 |
| Greatest difference in daily high over two conscutive days |
55 °F | Dec 11–12, 1956 |
| Most daily precipitation | 4.4 inches | July 27, 2001 |
| Most monthly precipitation | 13.4 inches | July 1993 |
| Most yearly precipitation | 26.3 inches | 1993 |
| Most yearly days with precipitation | 107 | 1982 |
| Earliest freeze | September 3 | 1974 |
| Earliest day ≥ 70 °F | March 5 | 2000 |
| Earliest day ≥ 80 °F | March 17 | 2012 |
| Earliest day ≥ 90 °F | April 10 | 1977 |
| Earliest day ≥ 100 °F | May 27 | 1934 |
| Latest freeze | June 20 | 1969 |
| Latest day ≥ 70 °F | November 26 | 1960 |
| Latest day ≥ 80 °F | November 8 | 1999 |
| Latest day ≥ 90 °F | October 7 | 1920 |
| Latest day ≥ 100 °F | September 16 | 1948 |
| Most days in a year < 0 °F | 72 | 1978 |
| Most days in a year < 32 °F | 203 | 2002 |
| Most days in a year ≥ 80 °F | 98 | 1936 |
| 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 |
|
Mandan Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 9 days | Jul 10–18, 1995 |
| Without precipitation | 55 days | Dec 29, 2022 – Feb 21, 2023 |
| High temperature at or below freezing |
65 days | Dec 19, 1977 – Feb 21, 1978 |
| High temperature ≥ 80 °F | 71 days | Jun 13 – Aug 22, 1919 |
| High temperature ≥ 90 °F | 18 days | Jul 2–19, 1936 |
| High temperature ≥ 100 °F | 8 days | Jul 5–12, 1936 |
| Years | Station | Coordinates |
|---|---|---|
| 1913–2024 | Mandan Experimental Station | location |