Giddings, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.9 °C (low) to 26.1 °C (high). Annual precipitation averages 1000.8 Millimeters. Giddings is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.1 °C | 16.2 °C | 84.07 mm |
| February | 6.1 °C | 18.1 °C | 64.52 mm |
| March | 9.6 °C | 21.9 °C | 79.5 mm |
| April | 13.3 °C | 25.7 °C | 77.72 mm |
| May | 18.1 °C | 29.4 °C | 122.17 mm |
| June | 21.7 °C | 33.1 °C | 88.9 mm |
| July | 22.8 °C | 34.8 °C | 51.82 mm |
| August | 22.7 °C | 35.6 °C | 71.12 mm |
| September | 19.8 °C | 32.2 °C | 85.09 mm |
| October | 14.3 °C | 27.4 °C | 110.24 mm |
| November | 8.9 °C | 21.4 °C | 79.25 mm |
| December | 4.9 °C | 17.1 °C | 86.36 mm |
| Annual | 13.9 °C | 26.1 °C | 1000.76 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |