Charlevoix, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.3 °C (low) to 11.5 °C (high). Annual precipitation averages 848.6 Millimeters. Charlevoix 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.4 °C | -2.2 °C | 57.15 mm |
| February | -9.1 °C | -1.5 °C | 40.13 mm |
| March | -5.7 °C | 3.1 °C | 46.23 mm |
| April | 0.4 °C | 9.4 °C | 73.15 mm |
| May | 6.3 °C | 16.8 °C | 81.79 mm |
| June | 12 °C | 21.8 °C | 73.41 mm |
| July | 15.4 °C | 24.3 °C | 66.04 mm |
| August | 15.3 °C | 24.1 °C | 76.2 mm |
| September | 11.6 °C | 20.7 °C | 88.9 mm |
| October | 5.4 °C | 13.6 °C | 108.2 mm |
| November | 0.4 °C | 6.8 °C | 74.68 mm |
| December | -4.4 °C | 1.1 °C | 62.74 mm |
| Annual | 3.3 °C | 11.5 °C | 848.62 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Dfb - Humid Continental Mild Summer, Wet All Year |