Rosine, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.6 °C (low) to 19.8 °C (high). Annual precipitation averages 1293.1 Millimeters. Rosine is located in USDA Plant Hardiness Zone 7a. 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 | -3.9 °C | 6.3 °C | 94.49 mm |
| February | -2.4 °C | 8.8 °C | 101.09 mm |
| March | 1.6 °C | 14.1 °C | 119.63 mm |
| April | 7.1 °C | 20.4 °C | 127.51 mm |
| May | 12.6 °C | 24.8 °C | 138.94 mm |
| June | 17.3 °C | 29.4 °C | 112.52 mm |
| July | 19.3 °C | 31.1 °C | 113.79 mm |
| August | 18.1 °C | 30.4 °C | 85.6 mm |
| September | 14 °C | 27.7 °C | 90.68 mm |
| October | 7.7 °C | 21.8 °C | 98.81 mm |
| November | 1.6 °C | 14.2 °C | 95.5 mm |
| December | -1.8 °C | 8.4 °C | 114.55 mm |
| Annual | 7.6 °C | 19.8 °C | 1293.11 mm |
| 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |