| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 9°F | 31°F | 20°F | 0.2" |
| February | 11°F | 33°F | 21°F | 0.3" |
| March | 22°F | 47°F | 33°F | 0.5" |
| April | 30°F | 57°F | 43°F | 1.4" |
| May | 40°F | 67°F | 53°F | 3.4" |
| June | 50°F | 78°F | 64°F | 2.7" |
| July | 57°F | 89°F | 73°F | 1.6" |
| August | 54°F | 87°F | 69°F | 1.7" |
| September | 44°F | 77°F | 59°F | 1.8" |
| October | 33°F | 59°F | 45°F | 1.1" |
| November | 20°F | 46°F | 32°F | 0.3" |
| December | 8°F | 30°F | 19°F | 0.2" |
| Index | Rhame | North Dakota | National |
| Air quality index | 33 | 35 | 42 |
| Pollution index | 153,932 | 1,038,665 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 354 |
| Days with moderate air quality | 11 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Marmarth, ND | 140 | 33 | 34.0% |
| Bowman, ND | 1,632 | 33 | 34.0% |
| Rhame, ND | 213 | 33 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Hobson, AL | 213 | 42 | 16.0% |
| Almyra, AR | 213 | 45 | 10.0% |
| Dos Palos Y, CA | 213 | 48 | 4.0% |
| Oakville, IA | 213 | 32 | 36.0% |
| Banner, IL | 213 | 41 | 18.0% |
| Rhame, ND | 213 | 33 | 34.0% |