| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 2°F | 20°F | 11°F | 0.7" |
| February | 4°F | 23°F | 12°F | 0.9" |
| March | 15°F | 35°F | 24°F | 2.3" |
| April | 29°F | 54°F | 40°F | 2.7" |
| May | 42°F | 68°F | 55°F | 4.5" |
| June | 52°F | 76°F | 63°F | 7.0" |
| July | 56°F | 80°F | 68°F | 3.6" |
| August | 53°F | 81°F | 66°F | 4.0" |
| September | 47°F | 72°F | 58°F | 5.1" |
| October | 34°F | 55°F | 43°F | 3.0" |
| November | 19°F | 38°F | 28°F | 1.5" |
| December | 4°F | 22°F | 13°F | 1.1" |
| Index | Mohall | North Dakota | National |
| Air quality index | 34 | 35 | 42 |
| Pollution index | 173,888 | 1,038,665 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 309 |
| Days with moderate air quality | 53 |
| Days w/ poor A.Q. for sensitive groups | 3 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Lansford, ND | 204 | 34 | 32.0% |
| Loraine, ND | 16 | 34 | 32.0% |
| Antler, ND | 28 | 34 | 32.0% |
| Sherwood, ND | 244 | 34 | 32.0% |
| Grano, ND | 2 | 34 | 32.0% |
| Mohall, ND | 655 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Queen Valley, AZ | 655 | 74 | 48.0% |
| Penney Farms, FL | 655 | 17 | 66.0% |
| Crooked Creek, GA | 655 | 38 | 24.0% |
| Allendale, IL | 655 | 36 | 28.0% |
| Hardin, MO | 655 | 47 | 6.0% |
| Mohall, ND | 655 | 34 | 32.0% |
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