Dune Acres, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.2 °F (low) to 59 °F (high). Annual precipitation averages 39.6 Inches. Dune Acres is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.9 °F | 32.6 °F | 2.35 in. |
| February | 21.6 °F | 36.0 °F | 2.14 in. |
| March | 30.0 °F | 46.2 °F | 2.26 in. |
| April | 39.8 °F | 57.8 °F | 3.56 in. |
| May | 50.1 °F | 68.9 °F | 4.15 in. |
| June | 60.4 °F | 77.9 °F | 4.4 in. |
| July | 66.3 °F | 82.1 °F | 4.12 in. |
| August | 65.4 °F | 80.8 °F | 4.0 in. |
| September | 58.3 °F | 75.1 °F | 3.66 in. |
| October | 46.4 °F | 63.2 °F | 3.92 in. |
| November | 35.8 °F | 49.6 °F | 2.78 in. |
| December | 25.2 °F | 37.7 °F | 2.25 in. |
| Annual | 43.2 °F | 59 °F | 39.59 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |