Clinton, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.1 °F (low) to 59.1 °F (high). Annual precipitation averages 35 Inches. Clinton 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 | 15.8 °F | 31.8 °F | 2.32 in. |
| February | 16.7 °F | 35.0 °F | 1.98 in. |
| March | 24.9 °F | 45.1 °F | 2.43 in. |
| April | 35.7 °F | 58.6 °F | 3.33 in. |
| May | 46.9 °F | 70.4 °F | 3.94 in. |
| June | 56.5 °F | 79.8 °F | 3.5 in. |
| July | 60.0 °F | 83.8 °F | 3.28 in. |
| August | 58.5 °F | 81.8 °F | 3.36 in. |
| September | 50.8 °F | 75.5 °F | 2.99 in. |
| October | 39.8 °F | 62.5 °F | 2.87 in. |
| November | 30.1 °F | 48.3 °F | 2.75 in. |
| December | 22.0 °F | 36.8 °F | 2.23 in. |
| Annual | 38.1 °F | 59.1 °F | 34.98 in. |
| 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 : -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 |