Carrizo Springs, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.2 °C (low) to 28.9 °C (high). Annual precipitation averages 519.2 Millimeters. Carrizo Springs is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.1 °C | 19.2 °C | 25.91 mm |
| February | 7.5 °C | 21.9 °C | 20.83 mm |
| March | 11.6 °C | 25.8 °C | 39.12 mm |
| April | 15.2 °C | 29.8 °C | 35.56 mm |
| May | 19.7 °C | 33.1 °C | 79.25 mm |
| June | 22.8 °C | 36.1 °C | 50.55 mm |
| July | 23.5 °C | 37 °C | 42.16 mm |
| August | 23.6 °C | 37.3 °C | 32.51 mm |
| September | 21 °C | 33.9 °C | 87.88 mm |
| October | 15.9 °C | 29.6 °C | 50.29 mm |
| November | 10.3 °C | 23.8 °C | 30.73 mm |
| December | 5.8 °C | 19.7 °C | 24.38 mm |
| Annual | 15.2 °C | 28.9 °C | 519.17 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |