Avon, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.5 °F (low) to 62.1 °F (high). Annual precipitation averages 45.4 Inches. Avon is located in USDA Plant Hardiness Zone 6a. 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 | 19.9 °F | 35.3 °F | 3.13 in. |
| February | 22.7 °F | 39.4 °F | 2.63 in. |
| March | 31.4 °F | 50.3 °F | 3.51 in. |
| April | 42.4 °F | 62.9 °F | 4.64 in. |
| May | 53.5 °F | 72.8 °F | 4.87 in. |
| June | 62.3 °F | 81.3 °F | 5.31 in. |
| July | 65.6 °F | 84.5 °F | 4.73 in. |
| August | 64.0 °F | 83.4 °F | 3.31 in. |
| September | 56.3 °F | 77.9 °F | 3.5 in. |
| October | 44.9 °F | 65.5 °F | 3.43 in. |
| November | 33.9 °F | 51.5 °F | 3.28 in. |
| December | 25.3 °F | 39.9 °F | 3.08 in. |
| Annual | 43.5 °F | 62.1 °F | 45.42 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 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |