Mandan, ND Weather & Climate Normals
What a normal year in Mandan actually looks like
On the 30-year record NOAA keeps for Mandan, ND, the comfort score comes out to 40/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Mandan's weather actually swings
Average temperatures in Mandan run from 13°F in Jan up to 70°F in Jul, a 57.7°F seasonal swing, one of the widest gaps in this dataset.
Mandan, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 23°F | 3°F | 0.38in |
| Feb | 27°F | 6°F | 0.4in |
| Mar | 40°F | 18°F | 0.59in |
| Apr | 54°F | 30°F | 1.27in |
| May | 67°F | 43°F | 2.59in |
| Jun | 76°F | 53°F | 3.44in |
| Jul | 83°F | 58°F | 3.24in |
| Aug | 82°F | 56°F | 2.19in |
| Sep | 72°F | 46°F | 1.64in |
| Oct | 56°F | 32°F | 1.47in |
| Nov | 40°F | 19°F | 0.63in |
| Dec | 27°F | 8°F | 0.52in |
If you're timing a visit, Jun, Jul, Aug, and Sep are Mandan's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Mandan actually gets
Mandan averages 18.36in of precipitation a year across roughly 75 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Mandan against the rest of the country
Out of 4876 cities scored here, Mandan comes in at 4514; within ND alone it ranks 7 of 14. Population is about 24,788.
Checking the actual forecast
These figures come from Mandan Exp Stn, ND US, the NOAA station 1.6 miles from Mandan, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station