Racine, Ohio has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 42.7 °F (low) to 65.5 °F (high). Annual precipitation averages 43.8 Inches. Racine is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.4 °F | 40.8 °F | 3.19 in. |
| February | 24.3 °F | 44.6 °F | 3.07 in. |
| March | 30.7 °F | 54.0 °F | 3.93 in. |
| April | 40.7 °F | 67.7 °F | 3.74 in. |
| May | 51.3 °F | 75.7 °F | 4.43 in. |
| June | 59.9 °F | 83.0 °F | 4.36 in. |
| July | 63.6 °F | 86.1 °F | 4.57 in. |
| August | 62.2 °F | 85.4 °F | 3.46 in. |
| September | 54.8 °F | 79.4 °F | 3.5 in. |
| October | 42.5 °F | 68.3 °F | 3.02 in. |
| November | 33.0 °F | 56.0 °F | 2.9 in. |
| December | 27.2 °F | 45.2 °F | 3.59 in. |
| Annual | 42.7 °F | 65.5 °F | 43.76 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |