Waldron, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43 °F (low) to 62.8 °F (high). Annual precipitation averages 44.7 Inches. Waldron 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.5 °F | 36.4 °F | 3.07 in. |
| February | 23.1 °F | 40.8 °F | 2.67 in. |
| March | 31.3 °F | 51.1 °F | 3.58 in. |
| April | 42.0 °F | 63.5 °F | 4.72 in. |
| May | 52.8 °F | 73.4 °F | 5.01 in. |
| June | 61.8 °F | 81.8 °F | 5.12 in. |
| July | 64.5 °F | 84.6 °F | 4.23 in. |
| August | 62.5 °F | 83.8 °F | 3.31 in. |
| September | 55.0 °F | 78.4 °F | 3.21 in. |
| October | 43.6 °F | 66.2 °F | 3.03 in. |
| November | 33.2 °F | 52.3 °F | 3.39 in. |
| December | 25.4 °F | 40.7 °F | 3.38 in. |
| Annual | 43 °F | 62.8 °F | 44.72 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |