El Campo, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.5 °C (low) to 26.8 °C (high). Annual precipitation averages 1161 Millimeters. El Campo is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.4 °C | 17.6 °C | 88.39 mm |
| February | 8.3 °C | 19.6 °C | 66.55 mm |
| March | 11.9 °C | 23.2 °C | 75.95 mm |
| April | 15.2 °C | 26.6 °C | 81.28 mm |
| May | 19.5 °C | 30 °C | 113.54 mm |
| June | 22.7 °C | 32.9 °C | 127.76 mm |
| July | 23.3 °C | 34 °C | 89.66 mm |
| August | 23.4 °C | 35.1 °C | 103.63 mm |
| September | 21.1 °C | 32.6 °C | 121.16 mm |
| October | 15.9 °C | 28.6 °C | 105.92 mm |
| November | 10.8 °C | 23 °C | 101.6 mm |
| December | 7.3 °C | 18.8 °C | 85.6 mm |
| Annual | 15.5 °C | 26.8 °C | 1161.04 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 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 |