| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 38°F | 29°F | 0.8" |
| February | 27°F | 48°F | 37°F | 2.0" |
| March | 34°F | 59°F | 46°F | 2.3" |
| April | 38°F | 64°F | 50°F | 2.0" |
| May | 47°F | 74°F | 60°F | 4.6" |
| June | 53°F | 84°F | 68°F | 1.8" |
| July | 65°F | 98°F | 82°F | 0.3" |
| August | 59°F | 94°F | 77°F | 1.2" |
| September | 48°F | 81°F | 63°F | 1.8" |
| October | 40°F | 67°F | 51°F | 2.5" |
| November | 28°F | 50°F | 38°F | 1.4" |
| December | 22°F | 36°F | 28°F | 3.0" |
| Index | Mountain Home AFB | Idaho | National |
| Air quality index | 36 | 32 | 42 |
| Pollution index | 1,686,060 | 2,063,710 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 293 |
| Days with moderate air quality | 60 |
| Days w/ poor A.Q. for sensitive groups | 9 |
| Days with unhealthy air quality | 3 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Grand View, ID | 351 | 36 | 28.0% |
| Mountain Home, ID | 14,308 | 36 | 28.0% |
| Mountain Home AFB, ID | 3,151 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Ocean Grove, NJ | 3,151 | 51 | 2.0% |
| Rankin Inlet, NU | 3,151 | n/a | |
| New Baden, IL | 3,150 | 54 | 8.0% |
| Stonybrook, PA | 3,150 | 41 | 18.0% |
| Williamsburg, IA | 3,152 | 35 | 30.0% |
| Mountain Home AFB, ID | 3,151 | 36 | 28.0% |
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