Dugger, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.2 °F (low) to 64.3 °F (high). Annual precipitation averages 46.1 Inches. Dugger 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 | 21.3 °F | 37.7 °F | 3.32 in. |
| February | 24.3 °F | 42.5 °F | 2.58 in. |
| March | 33.0 °F | 53.3 °F | 3.56 in. |
| April | 43.7 °F | 65.3 °F | 5.06 in. |
| May | 54.0 °F | 74.8 °F | 4.94 in. |
| June | 62.7 °F | 83.0 °F | 4.72 in. |
| July | 65.7 °F | 85.8 °F | 4.37 in. |
| August | 64.0 °F | 85.1 °F | 3.09 in. |
| September | 56.4 °F | 79.5 °F | 3.66 in. |
| October | 45.1 °F | 67.7 °F | 3.65 in. |
| November | 34.5 °F | 54.0 °F | 3.82 in. |
| December | 26.1 °F | 42.3 °F | 3.28 in. |
| Annual | 44.2 °F | 64.3 °F | 46.05 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 |