| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 16°F | 29°F | 22°F | 2.6" |
| February | 11°F | 25°F | 17°F | 0.8" |
| March | 12°F | 30°F | 21°F | 0.6" |
| April | 20°F | 38°F | 29°F | 0.5" |
| May | 31°F | 56°F | 44°F | 3.9" |
| June | 40°F | 66°F | 53°F | 2.3" |
| July | 46°F | 69°F | 57°F | 3.2" |
| August | 46°F | 64°F | 54°F | 2.9" |
| September | 38°F | 55°F | 46°F | 3.1" |
| October | 27°F | 42°F | 35°F | 5.8" |
| November | 20°F | 34°F | 27°F | 1.5" |
| December | 16°F | 28°F | 22°F | 1.7" |
| Index | Koliganek | Alaska | National |
| Air quality index | 31 | 30 | 42 |
| Pollution index | 304,438 | 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 | 0.005% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Koliganek, AK | 236 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Artois, CA | 236 | 46 | 8.0% |
| Tonyville, CA | 236 | 66 | 32.0% |
| Denton, GA | 236 | 26 | 48.0% |
| Winchester, ID | 236 | 29 | 42.0% |
| Bulpitt, IL | 236 | 40 | 20.0% |
| Koliganek, AK | 236 | 31 | 38.0% |
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