Oak Hill, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.2 °F (low) to 54.3 °F (high). Annual precipitation averages 35.5 Inches. Oak Hill is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.5 °F | 29.6 °F | 2.03 in. |
| February | 18.6 °F | 31.3 °F | 1.54 in. |
| March | 24.2 °F | 39.5 °F | 2.04 in. |
| April | 34.1 °F | 52.2 °F | 3.57 in. |
| May | 44.3 °F | 64.2 °F | 3.36 in. |
| June | 53.6 °F | 73.6 °F | 3.64 in. |
| July | 58.9 °F | 77.3 °F | 3.32 in. |
| August | 58.0 °F | 76.3 °F | 3.26 in. |
| September | 51.1 °F | 70.2 °F | 3.23 in. |
| October | 41.0 °F | 57.5 °F | 3.87 in. |
| November | 32.3 °F | 45.0 °F | 3.03 in. |
| December | 24.1 °F | 34.4 °F | 2.58 in. |
| Annual | 38.2 °F | 54.3 °F | 35.47 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |