Pottawattamie Park, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.5 °C (low) to 14.6 °C (high). Annual precipitation averages 967.2 Millimeters. 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 | -7.5 °C | 0.2 °C | 63.25 mm |
| February | -6.1 °C | 2.1 °C | 50.04 mm |
| March | -1.4 °C | 7.6 °C | 58.93 mm |
| April | 4 °C | 13.8 °C | 87.12 mm |
| May | 9.7 °C | 19.9 °C | 87.38 mm |
| June | 15.2 °C | 24.8 °C | 107.44 mm |
| July | 17.9 °C | 27.2 °C | 101.6 mm |
| August | 17.2 °C | 26.4 °C | 105.92 mm |
| September | 13.2 °C | 23.2 °C | 84.58 mm |
| October | 7 °C | 16.8 °C | 95.25 mm |
| November | 1.4 °C | 9.7 °C | 67.56 mm |
| December | -4.1 °C | 3.1 °C | 58.17 mm |
| Annual | 5.5 °C | 14.6 °C | 967.24 mm |
| 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 : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |