| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 33°F | 27°F | 8.4" |
| February | 22°F | 33°F | 27°F | 4.8" |
| March | 22°F | 35°F | 28°F | 7.0" |
| April | 33°F | 48°F | 40°F | 8.5" |
| May | 39°F | 55°F | 47°F | 2.9" |
| June | 45°F | 60°F | 52°F | 3.1" |
| July | 50°F | 64°F | 56°F | 3.3" |
| August | 50°F | 65°F | 56°F | 3.8" |
| September | 45°F | 59°F | 51°F | 7.5" |
| October | 34°F | 46°F | 40°F | 7.0" |
| November | 27°F | 36°F | 31°F | 16.9" |
| December | 26°F | 35°F | 31°F | 7.3" |
| Index | Lowell Point | Alaska | National |
| Air quality index | 31 | 30 | 42 |
| Pollution index | 2,169,570 | 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 | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.020% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Bear Creek, AK | 1,336 | 31 | 38.0% |
| Seward, AK | 2,911 | 31 | 38.0% |
| Lowell Point, AK | 93 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| South Lead Hill, AR | 93 | 36 | 28.0% |
| Utting, AZ | 93 | 13 | 74.0% |
| Peoria, CO | 93 | 58 | 16.0% |
| Rockingham, GA | 93 | 26 | 48.0% |
| Emington, IL | 93 | 0 | 100.0% |
| Lowell Point, AK | 93 | 31 | 38.0% |