| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 17°F | 36°F | 26°F | 3.0" |
| February | 17°F | 38°F | 27°F | 2.8" |
| March | 26°F | 47°F | 36°F | 3.4" |
| April | 37°F | 63°F | 49°F | 4.1" |
| May | 47°F | 73°F | 59°F | 4.0" |
| June | 56°F | 80°F | 68°F | 5.8" |
| July | 62°F | 86°F | 73°F | 4.8" |
| August | 59°F | 84°F | 71°F | 4.4" |
| September | 53°F | 77°F | 64°F | 3.7" |
| October | 42°F | 65°F | 52°F | 5.9" |
| November | 31°F | 53°F | 41°F | 3.0" |
| December | 23°F | 41°F | 32°F | 4.2" |
| Index | West Springfield Town | Massachusetts | National |
| Air quality index | 40 | 40 | 42 |
| Pollution index | 7,859,360 | 8,399,610 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 305 |
| Days with moderate air quality | 59 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.030% |
| Benzene | 0.070% |
| Carbon Tetrachloride | 0.030% |
| Lead | 0.320% |
| Mercury | 0.070% |
| City | Population | Air Quality Index | National Avg. |
| Suffield Depot, CT | 2,020 | 40 | 20.0% |
| Wilbraham, MA | 3,251 | 40 | 20.0% |
| Russell, MA | 658 | 40 | 20.0% |
| Granby, MA | 1,183 | 40 | 20.0% |
| North Granby, CT | 1,425 | 40 | 20.0% |
| West Springfield Town, MA | 28,527 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Casselberry, FL | 28,502 | 39 | 22.0% |
| Northampton, MA | 28,552 | 40 | 20.0% |
| Schererville, IN | 28,559 | 55 | 10.0% |
| Granite City, IL | 28,563 | 54 | 8.0% |
| Monterey, CA | 28,575 | 37 | 26.0% |
| West Springfield Town, MA | 28,527 | 40 | 20.0% |
Here are the best places to live in Massachusetts
Check out the 10 safest cities in Massachusetts
These are the 10 cheapest cities in Massachusetts
See the best places to live in West Springfield Town