Hitchcock, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17.2 °C (low) to 25.6 °C (high). Annual precipitation averages 1423.2 Millimeters. Hitchcock is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.8 °C | 16.9 °C | 116.33 mm |
| February | 9.7 °C | 18.7 °C | 79.25 mm |
| March | 13.2 °C | 21.8 °C | 83.31 mm |
| April | 16.8 °C | 25.1 °C | 103.38 mm |
| May | 21.1 °C | 28.7 °C | 119.89 mm |
| June | 24.1 °C | 31.6 °C | 143.76 mm |
| July | 25.1 °C | 32.7 °C | 112.52 mm |
| August | 24.8 °C | 33.1 °C | 151.64 mm |
| September | 22.9 °C | 30.9 °C | 161.8 mm |
| October | 18.8 °C | 27.2 °C | 126.24 mm |
| November | 13.3 °C | 22 °C | 115.82 mm |
| December | 8.9 °C | 18.1 °C | 109.22 mm |
| Annual | 17.2 °C | 25.6 °C | 1423.16 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°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 |