Jackson, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.6 °C (low) to 14.2 °C (high). Annual precipitation averages 914.9 Millimeters. Jackson is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.9 °C | -0.8 °C | 60.2 mm |
| February | -8.6 °C | 0.9 °C | 49.53 mm |
| March | -3.9 °C | 6.6 °C | 56.39 mm |
| April | 2.3 °C | 13.9 °C | 83.06 mm |
| May | 8.7 °C | 20.4 °C | 98.04 mm |
| June | 13.9 °C | 25.6 °C | 96.01 mm |
| July | 15.7 °C | 27.8 °C | 89.15 mm |
| August | 14.8 °C | 26.6 °C | 95.25 mm |
| September | 10.6 °C | 23.1 °C | 81.53 mm |
| October | 4.6 °C | 15.9 °C | 79.76 mm |
| November | -0.8 °C | 8.4 °C | 69.09 mm |
| December | -5.3 °C | 2 °C | 56.9 mm |
| Annual | 3.6 °C | 14.2 °C | 914.91 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 |