| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 13°F | 32°F | 22°F | 2.7" |
| February | 14°F | 34°F | 23°F | 2.6" |
| March | 22°F | 43°F | 32°F | 2.6" |
| April | 33°F | 58°F | 45°F | 3.4" |
| May | 45°F | 71°F | 57°F | 4.3" |
| June | 53°F | 77°F | 64°F | 4.9" |
| July | 58°F | 83°F | 70°F | 4.4" |
| August | 56°F | 80°F | 67°F | 4.0" |
| September | 49°F | 74°F | 60°F | 3.4" |
| October | 39°F | 61°F | 49°F | 5.3" |
| November | 28°F | 48°F | 37°F | 2.7" |
| December | 20°F | 37°F | 28°F | 3.7" |
| Index | Springfield | Vermont | National |
| Air quality index | 34 | 36 | 42 |
| Pollution index | 1,843,420 | 1,478,772 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 348 |
| Days with moderate air quality | 17 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.000% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| North Walpole, NH | 573 | 34 | 32.0% |
| Saxtons River, VT | 545 | 34 | 32.0% |
| Ascutney, VT | 394 | 34 | 32.0% |
| North Springfield, VT | 758 | 34 | 32.0% |
| Walpole, NH | 662 | 34 | 32.0% |
| Springfield, VT | 4,179 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Sullivan, IN | 4,179 | 45 | 10.0% |
| Sawgrass, FL | 4,178 | 43 | 14.0% |
| Dannemora, NY | 4,180 | 37 | 26.0% |
| Hesston, KS | 4,177 | 40 | 20.0% |
| Swan River, MB | 4,177 | n/a | |
| Springfield, VT | 4,179 | 34 | 32.0% |