Pottawattamie Park, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42 °F (low) to 58.2 °F (high). Annual precipitation averages 38.1 Inches. Pottawattamie Park is located in USDA Plant Hardiness Zone 6a. 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 | 18.5 °F | 32.3 °F | 2.49 in. |
| February | 21.0 °F | 35.8 °F | 1.97 in. |
| March | 29.4 °F | 45.7 °F | 2.32 in. |
| April | 39.2 °F | 56.9 °F | 3.43 in. |
| May | 49.5 °F | 67.9 °F | 3.44 in. |
| June | 59.4 °F | 76.7 °F | 4.23 in. |
| July | 64.3 °F | 80.9 °F | 4.0 in. |
| August | 63.0 °F | 79.5 °F | 4.17 in. |
| September | 55.7 °F | 73.8 °F | 3.33 in. |
| October | 44.6 °F | 62.3 °F | 3.75 in. |
| November | 34.5 °F | 49.4 °F | 2.66 in. |
| December | 24.6 °F | 37.6 °F | 2.29 in. |
| Annual | 42 °F | 58.2 °F | 38.08 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |