Athens, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.8 °F (low) to 58.2 °F (high). Annual precipitation averages 39.4 Inches. Athens 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.2 °F | 31.2 °F | 2.57 in. |
| February | 18.2 °F | 33.9 °F | 2.14 in. |
| March | 26.5 °F | 44.7 °F | 2.39 in. |
| April | 37.5 °F | 58.0 °F | 3.51 in. |
| May | 49.3 °F | 69.5 °F | 4.28 in. |
| June | 58.6 °F | 78.6 °F | 4.26 in. |
| July | 61.6 °F | 82.3 °F | 3.81 in. |
| August | 59.8 °F | 80.2 °F | 4.07 in. |
| September | 52.3 °F | 74.4 °F | 3.42 in. |
| October | 41.4 °F | 61.3 °F | 3.66 in. |
| November | 31.9 °F | 47.8 °F | 2.9 in. |
| December | 23.2 °F | 36.0 °F | 2.38 in. |
| Annual | 39.8 °F | 58.2 °F | 39.39 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |