Sellersburg, Indiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.3 °F (low) to 67.5 °F (high). Annual precipitation averages 49.4 Inches. Sellersburg is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.9 °F | 42.4 °F | 3.57 in. |
| February | 28.5 °F | 47.2 °F | 3.43 in. |
| March | 36.1 °F | 57.1 °F | 4.47 in. |
| April | 46.1 °F | 69.0 °F | 4.99 in. |
| May | 56.5 °F | 77.7 °F | 5.17 in. |
| June | 64.9 °F | 85.2 °F | 4.92 in. |
| July | 68.4 °F | 88.2 °F | 4.16 in. |
| August | 66.9 °F | 87.7 °F | 3.47 in. |
| September | 59.3 °F | 81.7 °F | 3.67 in. |
| October | 47.7 °F | 70.6 °F | 3.64 in. |
| November | 37.3 °F | 57.1 °F | 3.64 in. |
| December | 30.1 °F | 46.3 °F | 4.25 in. |
| Annual | 47.3 °F | 67.5 °F | 49.38 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |