Mandan, ND
Climate overview — based on NOAA 1991-2020 normals from MANDAN EXP STN, ND US.
Year-round temperatures (°F)
Climate summary
Mandan has an annual average temperature of 42.4°F with about 18.4 inches of precipitation per year. The warmest month is July (average high 82.6°F), and the coldest is January (average low 2.7°F). June is typically the wettest month (3.44 in) and January the driest (0.38 in).
Best time to visit Mandan
Full guide →Climate change signal
All-time records →32 of 366 (8.7%) of Mandan's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1910s | 17 | |
| 1920s | 36 | |
| 1930s | 67 | |
| 1940s | 26 | |
| 1950s | 28 | |
| 1960s | 30 | |
| 1970s | 23 | |
| 1980s | 29 | |
| 1990s | 28 | |
| 2000s | 33 | |
| 2010s | 32 | |
| 2020s | 17 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 22.5°F | 2.7°F | 12.6°F | 0.38 in | — | 4 |
| February | 27.1°F | 6.4°F | 16.7°F | 0.40 in | — | 4 |
| March | 39.6°F | 18.3°F | 29.0°F | 0.59 in | — | 4 |
| April | 54.1°F | 30.4°F | 42.3°F | 1.27 in | — | 6 |
| May | 66.5°F | 42.6°F | 54.5°F | 2.59 in | — | 9 |
| June | 76.0°F | 53.0°F | 64.5°F | 3.44 in | — | 11 |
| July | 82.6°F | 58.0°F | 70.3°F | 3.24 in | — | 9 |
| August | 81.8°F | 55.5°F | 68.7°F | 2.19 in | — | 7 |
| September | 72.1°F | 45.8°F | 59.0°F | 1.64 in | — | 6 |
| October | 56.1°F | 32.1°F | 44.1°F | 1.47 in | — | 6 |
| November | 39.9°F | 19.1°F | 29.5°F | 0.63 in | — | 4 |
| December | 27.4°F | 8.4°F | 17.9°F | 0.52 in | — | 5 |
Climate twins of Mandan
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).