Corpus Christi, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 18.7 °C (low) to 26.3 °C (high). Annual precipitation averages 799.4 Millimeters. Corpus Christi is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.6 °C | 18.6 °C | 40.13 mm |
| February | 11.8 °C | 20.4 °C | 38.61 mm |
| March | 15.3 °C | 23.1 °C | 57.91 mm |
| April | 18.7 °C | 25.9 °C | 44.7 mm |
| May | 22.5 °C | 28.9 °C | 83.06 mm |
| June | 25.2 °C | 31.4 °C | 86.11 mm |
| July | 25.7 °C | 32.1 °C | 65.79 mm |
| August | 25.7 °C | 32.9 °C | 64.77 mm |
| September | 23.9 °C | 31.3 °C | 141.48 mm |
| October | 20.3 °C | 28.2 °C | 77.22 mm |
| November | 14.8 °C | 23.4 °C | 52.83 mm |
| December | 10.7 °C | 19.7 °C | 46.74 mm |
| Annual | 18.7 °C | 26.3 °C | 799.35 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |