| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 7°F | 30°F | 19°F | 3.5" |
| February | 7°F | 33°F | 20°F | 3.9" |
| March | 17°F | 42°F | 30°F | 7.7" |
| April | 31°F | 55°F | 43°F | 15.5" |
| May | 40°F | 66°F | 53°F | 7.5" |
| June | 54°F | 78°F | 66°F | 4.6" |
| July | 55°F | 82°F | 69°F | 4.8" |
| August | 54°F | 82°F | 68°F | 4.1" |
| September | 48°F | 75°F | 61°F | 5.5" |
| October | 42°F | 63°F | 52°F | 9.3" |
| November | 26°F | 46°F | 36°F | 7.9" |
| December | 12°F | 33°F | 23°F | 5.7" |
| Index | Conway | New Hampshire | National |
| Air quality index | 31 | 34 | 42 |
| Pollution index | 2,712,920 | 3,959,618 | 2,726,193 |
| Measurement | Total |
| Days measured | 316 |
| Days with good air quality | 308 |
| Days with moderate air quality | 8 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.030% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.050% |
| Mercury | 0.070% |
| City | Population | Air Quality Index | National Avg. |
| Bartlett, NH | 184 | 40 | 20.0% |
| Fryeburg, ME | 1,533 | 40 | 20.0% |
| North Conway, NH | 2,410 | 40 | 20.0% |
| Conway, NH | 3,965 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Southern Shops, SC | 3,965 | 44 | 12.0% |
| Verona, VA | 3,965 | 36 | 28.0% |
| Bealeton, VA | 3,964 | 38 | 24.0% |
| High Point, FL | 3,966 | 30 | 40.0% |
| Fort Gibson, OK | 3,966 | 5 | 90.0% |
| Conway, NH | 3,965 | 31 | 38.0% |
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