| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 3°F | 23°F | 13°F | 0.3" |
| February | 4°F | 24°F | 13°F | 1.7" |
| March | 17°F | 38°F | 27°F | 2.2" |
| April | 29°F | 54°F | 41°F | 2.6" |
| May | 42°F | 67°F | 54°F | 5.7" |
| June | 52°F | 76°F | 64°F | 4.8" |
| July | 57°F | 83°F | 70°F | 3.1" |
| August | 54°F | 83°F | 67°F | 3.5" |
| September | 45°F | 73°F | 58°F | 4.2" |
| October | 33°F | 56°F | 43°F | 2.9" |
| November | 18°F | 39°F | 28°F | 0.9" |
| December | 3°F | 22°F | 13°F | 0.8" |
| Index | Ruthville | North Dakota | National |
| Air quality index | 34 | 35 | 42 |
| Pollution index | 368,471 | 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 | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Foxholm, ND | 22 | 34 | 32.0% |
| Minot AFB, ND | 5,974 | 34 | 32.0% |
| Burlington, ND | 1,455 | 34 | 32.0% |
| Glenburn, ND | 502 | 34 | 32.0% |
| Des Lacs, ND | 264 | 34 | 32.0% |
| Ruthville, ND | 125 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Kokhanok, AK | 125 | 31 | 38.0% |
| Eldridge, AL | 125 | 35 | 30.0% |
| Cold Springs CDP (Tuolumne County), CA | 125 | 52 | 4.0% |
| Hoehne, CO | 125 | 20 | 60.0% |
| Baldwin, IA | 125 | 42 | 16.0% |
| Ruthville, ND | 125 | 34 | 32.0% |
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