Scottsville, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.5 °C (low) to 24.5 °C (high). Annual precipitation averages 1314.5 Millimeters. Scottsville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.1 °C | 13.8 °C | 108.97 mm |
| February | 4.1 °C | 16.1 °C | 107.44 mm |
| March | 7.8 °C | 20.4 °C | 127.51 mm |
| April | 11.7 °C | 24.2 °C | 122.43 mm |
| May | 16.9 °C | 28.3 °C | 116.59 mm |
| June | 21.1 °C | 31.9 °C | 120.65 mm |
| July | 22.7 °C | 34 °C | 84.84 mm |
| August | 22.3 °C | 34.4 °C | 78.74 mm |
| September | 18.8 °C | 31.2 °C | 93.73 mm |
| October | 12.5 °C | 25.6 °C | 120.4 mm |
| November | 7 °C | 19.3 °C | 106.93 mm |
| December | 3.3 °C | 14.7 °C | 126.24 mm |
| Annual | 12.5 °C | 24.5 °C | 1314.47 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |