Avon, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.3 °C (low) to 25.5 °C (high). Annual precipitation averages 1451.4 Millimeters. Avon is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 16.1 °C | 125.73 mm |
| February | 5.4 °C | 18 °C | 143.76 mm |
| March | 8.5 °C | 21.9 °C | 123.44 mm |
| April | 12.4 °C | 25.7 °C | 121.67 mm |
| May | 17.3 °C | 29.9 °C | 90.42 mm |
| June | 21.3 °C | 32.3 °C | 137.41 mm |
| July | 22.4 °C | 33.3 °C | 155.96 mm |
| August | 22.1 °C | 32.8 °C | 136.4 mm |
| September | 19.6 °C | 30.8 °C | 113.28 mm |
| October | 13.7 °C | 26.4 °C | 72.39 mm |
| November | 7.7 °C | 21.1 °C | 98.3 mm |
| December | 5.2 °C | 17.1 °C | 132.59 mm |
| Annual | 13.3 °C | 25.5 °C | 1451.35 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |