| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 43°F | 39°F | 8.2" |
| February | 35°F | 43°F | 39°F | 6.5" |
| March | 36°F | 44°F | 39°F | 4.8" |
| April | 39°F | 49°F | 44°F | 6.0" |
| May | 45°F | 55°F | 49°F | 7.0" |
| June | 50°F | 60°F | 54°F | 4.0" |
| July | 54°F | 63°F | 58°F | 3.5" |
| August | 55°F | 64°F | 58°F | 9.8" |
| September | 51°F | 59°F | 54°F | 7.8" |
| October | 44°F | 52°F | 48°F | 10.5" |
| November | 38°F | 45°F | 41°F | 8.7" |
| December | 35°F | 42°F | 38°F | 7.8" |
| Index | Metlakatla | Alaska | National |
| Air quality index | 20 | 30 | 42 |
| Pollution index | 441,733 | 11,243,194 | 2,726,193 |
| Measurement | Total |
| Days measured | 362 |
| Days with good air quality | 308 |
| Days with moderate air quality | 51 |
| Days w/ poor A.Q. for sensitive groups | 3 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Saxman, AK | 341 | 20 | 60.0% |
| Metlakatla, AK | 1,626 | 20 | 60.0% |
| City | Population | Air Quality Index | National Avg. |
| Taft, FL | 1,626 | 39 | 22.0% |
| Red Lake, MN | 1,626 | 33 | 34.0% |
| Rockvale, TN | 1,626 | 31 | 38.0% |
| Soap Lake, WA | 1,626 | 18 | 64.0% |
| Lambton, QC | 1,626 | n/a | |
| Metlakatla, AK | 1,626 | 20 | 60.0% |