Deshler, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.9 °C (low) to 15.7 °C (high). Annual precipitation averages 916.9 Millimeters. Deshler is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | 0.5 °C | 60.45 mm |
| February | -6.8 °C | 2.2 °C | 52.32 mm |
| March | -2.3 °C | 8.1 °C | 62.74 mm |
| April | 3.4 °C | 15.7 °C | 87.88 mm |
| May | 10 °C | 22 °C | 102.62 mm |
| June | 15.4 °C | 27.2 °C | 95.5 mm |
| July | 17.2 °C | 29.1 °C | 97.03 mm |
| August | 15.9 °C | 27.9 °C | 88.14 mm |
| September | 11.8 °C | 24.9 °C | 71.88 mm |
| October | 5.8 °C | 17.8 °C | 69.09 mm |
| November | 0.2 °C | 9.7 °C | 68.07 mm |
| December | -4.5 °C | 3.3 °C | 61.21 mm |
| Annual | 4.9 °C | 15.7 °C | 916.93 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |