Jackson, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6 °C (low) to 18.1 °C (high). Annual precipitation averages 1128 Millimeters. Jackson is located in USDA Plant Hardiness Zone 6b. 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 | -5.4 °C | 4.3 °C | 83.06 mm |
| February | -4.4 °C | 6.5 °C | 80.52 mm |
| March | -0.5 °C | 12 °C | 102.87 mm |
| April | 5 °C | 19.2 °C | 100.58 mm |
| May | 10.8 °C | 23.8 °C | 111.25 mm |
| June | 15.7 °C | 27.9 °C | 116.08 mm |
| July | 17.8 °C | 29.6 °C | 115.32 mm |
| August | 16.7 °C | 29.1 °C | 85.85 mm |
| September | 12.6 °C | 25.9 °C | 90.68 mm |
| October | 6 °C | 19.3 °C | 80.26 mm |
| November | 0.4 °C | 12.6 °C | 73.15 mm |
| December | -2.8 °C | 6.7 °C | 88.39 mm |
| Annual | 6 °C | 18.1 °C | 1128.01 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 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 |