North Dakota climate by month
January highs across North Dakota range from 15°F in Grand Forks to 28°F in Medora; July highs from 80°F in Grand Forks to 86°F in Medora. The most common best months across these cities are May, June, September.
North Dakota weather month by month
Average of the 4 North Dakota cities on this site, computed from NOAA's unrounded values (so it can differ by a degree from averaging the rounded city figures); individual cities differ, sometimes a lot.
| Month | High | Low | Wet days | Snow |
|---|---|---|---|---|
| January | 21°F | 1°F | 7 | 8.3 in |
| February | 26°F | 5°F | 7 | 7.7 in |
| March | 39°F | 18°F | 7 | 7.3 in |
| April | 54°F | 31°F | 8 | 3.8 in |
| May | 68°F | 43°F | 11 | 0.2 in |
| June | 77°F | 53°F | 12 | 0.0 in |
| July | 83°F | 58°F | 10 | 0.0 in |
| August | 82°F | 56°F | 8 | 0.0 in |
| September | 72°F | 46°F | 8 | 0.03 in |
| October | 56°F | 33°F | 8 | 1.8 in |
| November | 39°F | 19°F | 6 | 5.7 in |
| December | 26°F | 7°F | 8 | 10.3 in |
Regional differences
- Warmest winterMedora: January high 28°F
- Coolest summerGrand Forks: July high 80°F
- Most wet daysFargo: 109 a year
- Fewest wet daysMedora: 86 a year
- Most snowFargo: 51.4 in a year
Warmest and coolest North Dakota city each month
| Month | Warmest | Coolest | Best month for |
|---|---|---|---|
| January | Medora 28°F | Grand Forks 15°F | – |
| February | Medora 32°F | Grand Forks 20°F | – |
| March | Medora 44°F | Grand Forks 34°F | – |
| April | Bismarck 56°F | Grand Forks 52°F | – |
| May | Fargo 69°F | Grand Forks 67°F | 4 cities |
| June | Fargo 78°F | Grand Forks 76°F | 2 cities |
| July | Medora 86°F | Grand Forks 80°F | – |
| August | Medora 85°F | Grand Forks 79°F | – |
| September | Medora 74°F | Grand Forks 70°F | 1 city |
| October | Medora 58°F | Grand Forks 53°F | – |
| November | Medora 42°F | Grand Forks 35°F | – |
| December | Medora 31°F | Grand Forks 21°F | – |
By normal daily high. "Best month for": how many of the 4 cities have it among their best months by our comfort score.
Frost and humidity across North Dakota
All North Dakota cities
| City | Jan high | Jul high | Wet days/yr | Snow/yr | Best months |
|---|---|---|---|---|---|
| Bismarck | 23°F | 85°F | 100 | 50.5 in | May |
| Fargo | 18°F | 82°F | 109 | 51.4 in | May, Jun |
| Grand Forks | 15°F | 80°F | 100 | 48.7 in | May, Jun, Sep |
| Medora | 28°F | 86°F | 86 | 30.1 in | May |