Xenia, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.3 °C (low) to 17 °C (high). Annual precipitation averages 1072.7 Millimeters. Xenia 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 | -5.9 °C | 2.6 °C | 81.79 mm |
| February | -4.7 °C | 4.7 °C | 60.71 mm |
| March | -0.3 °C | 10.3 °C | 87.63 mm |
| April | 5.6 °C | 17.4 °C | 108.46 mm |
| May | 11.5 °C | 22.9 °C | 119.89 mm |
| June | 16.4 °C | 27.6 °C | 117.86 mm |
| July | 18.1 °C | 29.2 °C | 116.59 mm |
| August | 16.9 °C | 28.6 °C | 76.96 mm |
| September | 12.9 °C | 25.4 °C | 74.93 mm |
| October | 6.8 °C | 18.8 °C | 73.66 mm |
| November | 1.2 °C | 11.2 °C | 75.95 mm |
| December | -3.1 °C | 5 °C | 78.23 mm |
| Annual | 6.3 °C | 17 °C | 1072.66 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 |