Rocky Ripple, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.7 °C (low) to 17 °C (high). Annual precipitation averages 1111 Millimeters. Rocky Ripple 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.3 °C | 2.1 °C | 75.95 mm |
| February | -4.8 °C | 4.4 °C | 62.48 mm |
| March | 0.1 °C | 10.4 °C | 84.07 mm |
| April | 6.1 °C | 17.6 °C | 111.25 mm |
| May | 12.2 °C | 23 °C | 122.43 mm |
| June | 17.2 °C | 27.7 °C | 130.56 mm |
| July | 19 °C | 29.5 °C | 112.27 mm |
| August | 18.1 °C | 28.8 °C | 81.53 mm |
| September | 13.8 °C | 25.8 °C | 85.09 mm |
| October | 7.4 °C | 18.9 °C | 82.3 mm |
| November | 1.5 °C | 11.1 °C | 86.61 mm |
| December | -3.4 °C | 4.6 °C | 76.45 mm |
| Annual | 6.7 °C | 17 °C | 1110.99 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 6b : -20.6°C to -17.8°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 |