Emison, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7 °C (low) to 18.5 °C (high). Annual precipitation averages 1178.1 Millimeters. Emison 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.4 °C | 3.6 °C | 81.28 mm |
| February | -3.8 °C | 6.2 °C | 65.28 mm |
| March | 0.8 °C | 12.2 °C | 93.98 mm |
| April | 6.7 °C | 19.1 °C | 125.22 mm |
| May | 12.8 °C | 24.4 °C | 135.89 mm |
| June | 17.6 °C | 29.1 °C | 119.38 mm |
| July | 18.9 °C | 30.7 °C | 110.49 mm |
| August | 17.8 °C | 30.2 °C | 78.23 mm |
| September | 13.5 °C | 27.3 °C | 92.71 mm |
| October | 7.1 °C | 20.5 °C | 90.17 mm |
| November | 1.4 °C | 12.5 °C | 100.58 mm |
| December | -3 °C | 6.1 °C | 84.84 mm |
| Annual | 7 °C | 18.5 °C | 1178.05 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |