| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | -18°F | -5°F | -12°F | n/a |
| February | -10°F | 9°F | 0°F | n/a |
| March | -4°F | 19°F | 8°F | n/a |
| April | 21°F | 42°F | 33°F | n/a |
| May | 41°F | 60°F | 52°F | n/a |
| June | 53°F | 70°F | 62°F | 1.2" |
| July | 54°F | 71°F | 64°F | 16.7" |
| August | 46°F | 65°F | 57°F | n/a |
| September | 37°F | 55°F | 47°F | n/a |
| October | 20°F | 33°F | 27°F | n/a |
| November | -6°F | 7°F | 1°F | n/a |
| December | -15°F | -1°F | -9°F | n/a |
| Index | Rampart | Alaska | National |
| Air quality index | 38 | 30 | 42 |
| Pollution index | 269,884,000 | 11,243,194 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 230 |
| Days with moderate air quality | 96 |
| Days w/ poor A.Q. for sensitive groups | 18 |
| Days with unhealthy air quality | 16 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 6.330% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Rampart, AK | 54 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Perryville, AK | 54 | 31 | 38.0% |
| Putnam, AL | 54 | 36 | 28.0% |
| Copper Hill, AZ | 54 | 60 | 20.0% |
| Fellows, CA | 54 | 67 | 34.0% |
| Kirkman, IA | 54 | 40 | 20.0% |
| Rampart, AK | 54 | 38 | 24.0% |
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