Lyons, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.8 °C (low) to 14.3 °C (high). Annual precipitation averages 919 Millimeters. Lyons 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.4 °C | -0.9 °C | 59.44 mm |
| February | -8.1 °C | 0.8 °C | 53.34 mm |
| March | -3.7 °C | 6.6 °C | 57.15 mm |
| April | 1.7 °C | 14.1 °C | 91.69 mm |
| May | 8.3 °C | 20.7 °C | 102.87 mm |
| June | 14.2 °C | 26 °C | 90.93 mm |
| July | 16.2 °C | 28.1 °C | 84.58 mm |
| August | 15.3 °C | 26.9 °C | 91.44 mm |
| September | 10.7 °C | 22.8 °C | 76.71 mm |
| October | 4.9 °C | 15.9 °C | 84.33 mm |
| November | -0.2 °C | 8.4 °C | 71.37 mm |
| December | -4.9 °C | 2.1 °C | 55.12 mm |
| Annual | 3.8 °C | 14.3 °C | 918.97 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |