| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 6°F | 22°F | 13°F | 1.0" |
| February | 11°F | 30°F | 20°F | 0.9" |
| March | 11°F | 34°F | 22°F | 1.2" |
| April | 26°F | 45°F | 36°F | 0.7" |
| May | 35°F | 56°F | 46°F | 1.6" |
| June | 43°F | 62°F | 52°F | 2.0" |
| July | 48°F | 65°F | 56°F | 2.8" |
| August | 47°F | 63°F | 55°F | 3.1" |
| September | 40°F | 57°F | 48°F | 3.7" |
| October | 29°F | 45°F | 36°F | 2.1" |
| November | 14°F | 30°F | 21°F | 1.9" |
| December | 10°F | 24°F | 17°F | 1.2" |
| Index | Ridgeway | 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. |
| Cohoe, AK | 1,469 | 31 | 38.0% |
| Kenai, AK | 7,799 | 31 | 38.0% |
| Nikiski, AK | 4,324 | 31 | 38.0% |
| Funny River, AK | 1,340 | 31 | 38.0% |
| Salamatof, AK | 1,025 | 31 | 38.0% |
| Ridgeway, AK | 2,631 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Wallace, FL | 2,631 | 41 | 18.0% |
| Wareham Center, MA | 2,631 | 36 | 28.0% |
| Oronogo, MO | 2,631 | 37 | 26.0% |
| McAdoo, PA | 2,631 | 42 | 16.0% |
| Mineral Point, WI | 2,631 | 29 | 42.0% |
| Ridgeway, AK | 2,631 | 31 | 38.0% |
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