Avon, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41 °F (low) to 59.9 °F (high). Annual precipitation averages 50.6 Inches. Avon is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.2 °F | 36.6 °F | 4.16 in. |
| February | 20.6 °F | 38.9 °F | 3.61 in. |
| March | 27.8 °F | 45.9 °F | 5.16 in. |
| April | 37.9 °F | 57.7 °F | 4.58 in. |
| May | 47.7 °F | 68.1 °F | 3.6 in. |
| June | 57.0 °F | 76.9 °F | 3.99 in. |
| July | 63.2 °F | 82.7 °F | 3.53 in. |
| August | 61.8 °F | 81.3 °F | 3.73 in. |
| September | 54.7 °F | 74.2 °F | 3.88 in. |
| October | 43.3 °F | 62.4 °F | 5.03 in. |
| November | 33.8 °F | 51.8 °F | 4.33 in. |
| December | 25.4 °F | 42.0 °F | 4.97 in. |
| Annual | 41 °F | 59.9 °F | 50.57 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |