East Longmeadow, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.5 °F (low) to 59.9 °F (high). Annual precipitation averages 47.5 Inches. East Longmeadow is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.0 °F | 34.6 °F | 3.36 in. |
| February | 18.2 °F | 37.4 °F | 3.02 in. |
| March | 26.4 °F | 45.6 °F | 4.04 in. |
| April | 37.0 °F | 59.1 °F | 3.86 in. |
| May | 47.3 °F | 70.1 °F | 3.6 in. |
| June | 56.3 °F | 78.3 °F | 4.36 in. |
| July | 62.0 °F | 83.7 °F | 4.01 in. |
| August | 60.3 °F | 82.1 °F | 4.05 in. |
| September | 52.7 °F | 75.0 °F | 4.52 in. |
| October | 41.4 °F | 62.6 °F | 4.86 in. |
| November | 31.9 °F | 50.6 °F | 3.56 in. |
| December | 23.4 °F | 40.0 °F | 4.25 in. |
| Annual | 39.5 °F | 59.9 °F | 47.49 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |