Alba, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12 °C (low) to 24.3 °C (high). Annual precipitation averages 1150.1 Millimeters. Alba 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 | 1.2 °C | 13.3 °C | 85.09 mm |
| February | 3.1 °C | 15.6 °C | 93.73 mm |
| March | 7.1 °C | 19.7 °C | 108.2 mm |
| April | 11.1 °C | 23.9 °C | 101.35 mm |
| May | 16.6 °C | 27.9 °C | 120.65 mm |
| June | 20.8 °C | 32 °C | 100.08 mm |
| July | 22.6 °C | 34.2 °C | 66.55 mm |
| August | 22.1 °C | 34.7 °C | 66.55 mm |
| September | 18.3 °C | 31.3 °C | 84.33 mm |
| October | 12.1 °C | 25.6 °C | 121.41 mm |
| November | 6.6 °C | 19.2 °C | 93.47 mm |
| December | 2.4 °C | 14.4 °C | 108.71 mm |
| Annual | 12 °C | 24.3 °C | 1150.12 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |