Neffs, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.9 °C (low) to 17.2 °C (high). Annual precipitation averages 1085.4 Millimeters. Neffs is located in USDA Plant Hardiness Zone 7a. 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 | -5.7 °C | 3.4 °C | 87.63 mm |
| February | -4.7 °C | 5.1 °C | 70.87 mm |
| March | -1 °C | 10.4 °C | 90.17 mm |
| April | 4.6 °C | 17.7 °C | 92.2 mm |
| May | 10.3 °C | 22.9 °C | 109.22 mm |
| June | 15.2 °C | 27.2 °C | 114.3 mm |
| July | 17.6 °C | 29.1 °C | 101.35 mm |
| August | 16.8 °C | 28.6 °C | 90.42 mm |
| September | 12.9 °C | 25.3 °C | 92.2 mm |
| October | 6.4 °C | 18.7 °C | 78.49 mm |
| November | 1 °C | 11.8 °C | 75.95 mm |
| December | -2.7 °C | 5.9 °C | 82.55 mm |
| Annual | 5.9 °C | 17.2 °C | 1085.35 mm |
| 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 7a : -17.8°C to -15°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 |