| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 37°F | 34°F | 5.7" |
| February | 31°F | 38°F | 35°F | 3.4" |
| March | 30°F | 38°F | 34°F | 3.2" |
| April | 33°F | 41°F | 37°F | 3.0" |
| May | 38°F | 46°F | 42°F | 3.7" |
| June | 43°F | 51°F | 47°F | 3.2" |
| July | 48°F | 57°F | 51°F | 2.7" |
| August | 49°F | 58°F | 53°F | 2.7" |
| September | 46°F | 54°F | 50°F | 4.2" |
| October | 41°F | 48°F | 44°F | 5.6" |
| November | 35°F | 43°F | 39°F | 4.8" |
| December | 33°F | 41°F | 37°F | 7.8" |
| Index | Akutan | Alaska | National |
| Air quality index | 31 | 30 | 42 |
| Pollution index | 129,942 | 11,243,194 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 262 |
| Days with moderate air quality | 92 |
| Days w/ poor A.Q. for sensitive groups | 7 |
| Days with unhealthy air quality | 4 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Akutan, AK | 781 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Hartford, AR | 781 | 36 | 28.0% |
| Seligman, AZ | 781 | 43 | 14.0% |
| Lake of the Woods, CA | 781 | 67 | 34.0% |
| Mesa Verde, CA | 781 | 13 | 74.0% |
| Lockridge, IA | 781 | 29 | 42.0% |
| Akutan, AK | 781 | 31 | 38.0% |