| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 41°F | 29°F | 0.7" |
| February | 24°F | 49°F | 35°F | 0.5" |
| March | 28°F | 57°F | 42°F | 0.8" |
| April | 31°F | 63°F | 47°F | 0.9" |
| May | 39°F | 73°F | 56°F | 1.1" |
| June | 47°F | 84°F | 66°F | 1.0" |
| July | 54°F | 96°F | 76°F | 0.2" |
| August | 52°F | 93°F | 73°F | 0.1" |
| September | 43°F | 83°F | 63°F | 0.6" |
| October | 34°F | 68°F | 49°F | 0.8" |
| November | 26°F | 53°F | 38°F | 0.7" |
| December | 18°F | 41°F | 29°F | 1.1" |
| Index | Fort McDermitt | Nevada | National |
| Air quality index | 14 | 38 | 42 |
| Pollution index | 1,096,590 | 2,601,914 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 363 |
| Days with moderate air quality | 2 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.060% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.020% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| McDermitt, NV | 99 | 14 | 72.0% |
| Fort McDermitt, NV | 319 | 14 | 72.0% |
| City | Population | Air Quality Index | National Avg. |
| Boligee, AL | 319 | 35 | 30.0% |
| Oak Glen, CA | 319 | 89 | 78.0% |
| Waucoma, IA | 319 | 39 | 22.0% |
| Glenwood, IN | 319 | 28 | 44.0% |
| Scipio, IN | 319 | 35 | 30.0% |
| Fort McDermitt, NV | 319 | 14 | 72.0% |