Brooksburg, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.9 °F (low) to 66 °F (high). Annual precipitation averages 48.4 Inches. Brooksburg is located in USDA Plant Hardiness Zone 7a. 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 | 24.2 °F | 40.9 °F | 3.51 in. |
| February | 26.3 °F | 45.2 °F | 3.27 in. |
| March | 33.5 °F | 55.3 °F | 4.23 in. |
| April | 43.2 °F | 67.3 °F | 4.82 in. |
| May | 53.2 °F | 75.7 °F | 5.29 in. |
| June | 61.4 °F | 83.6 °F | 4.98 in. |
| July | 65.9 °F | 87.0 °F | 4.22 in. |
| August | 64.8 °F | 86.2 °F | 3.77 in. |
| September | 57.3 °F | 80.4 °F | 3.35 in. |
| October | 45.5 °F | 69.5 °F | 3.42 in. |
| November | 35.0 °F | 56.1 °F | 3.49 in. |
| December | 28.4 °F | 45.3 °F | 4.05 in. |
| Annual | 44.9 °F | 66 °F | 48.4 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |