Giddings, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 57 °F (low) to 78.9 °F (high). Annual precipitation averages 39.4 Inches. 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 | 39.3 °F | 61.1 °F | 3.31 in. |
| February | 42.9 °F | 64.5 °F | 2.54 in. |
| March | 49.2 °F | 71.5 °F | 3.13 in. |
| April | 55.9 °F | 78.3 °F | 3.06 in. |
| May | 64.6 °F | 85.0 °F | 4.81 in. |
| June | 71.1 °F | 91.5 °F | 3.5 in. |
| July | 73.1 °F | 94.7 °F | 2.04 in. |
| August | 72.9 °F | 96.0 °F | 2.8 in. |
| September | 67.6 °F | 90.0 °F | 3.35 in. |
| October | 57.8 °F | 81.3 °F | 4.34 in. |
| November | 48.1 °F | 70.6 °F | 3.12 in. |
| December | 40.9 °F | 62.8 °F | 3.4 in. |
| Annual | 57 °F | 78.9 °F | 39.4 in. |
| 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 : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |