| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 16°F | 36°F | 27°F | 5.4" |
| February | 16°F | 38°F | 27°F | 5.5" |
| March | 26°F | 48°F | 37°F | 6.7" |
| April | 36°F | 62°F | 49°F | 5.7" |
| May | 46°F | 73°F | 60°F | 6.3" |
| June | 55°F | 79°F | 67°F | 7.6" |
| July | 61°F | 85°F | 73°F | 7.3" |
| August | 58°F | 83°F | 71°F | 8.2" |
| September | 51°F | 77°F | 64°F | 7.9" |
| October | 41°F | 65°F | 52°F | 8.1" |
| November | 30°F | 53°F | 41°F | 5.8" |
| December | 23°F | 41°F | 32°F | 6.5" |
| Index | Wilbraham | 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. |
| Sherwood Manor, CT | 5,901 | 40 | 20.0% |
| Suffield Depot, CT | 2,020 | 40 | 20.0% |
| Longmeadow, MA | 15,736 | 40 | 20.0% |
| West Springfield Town, MA | 28,527 | 40 | 20.0% |
| Warren, MA | 546 | 40 | 20.0% |
| Wilbraham, MA | 3,251 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Hillsboro, MO | 3,251 | 54 | 8.0% |
| Mount Shasta, CA | 3,250 | 42 | 16.0% |
| Skippers Corner, NC | 3,250 | 34 | 32.0% |
| Pottsville, AR | 3,252 | 38 | 24.0% |
| Lockport, LA | 3,252 | 41 | 18.0% |
| Wilbraham, MA | 3,251 | 40 | 20.0% |
Here are the best places to live in Massachusetts
See the best places to live in Wilbraham
Check out the 10 safest cities in Massachusetts
Most Dangerous Cities In The US