Four Corners, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 60.5 °F (low) to 79.5 °F (high). Annual precipitation averages 53.6 Inches. Four Corners is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 43.9 °F | 63.0 °F | 4.08 in. |
| February | 47.6 °F | 66.6 °F | 3.08 in. |
| March | 53.7 °F | 73.0 °F | 3.69 in. |
| April | 59.8 °F | 79.1 °F | 4.23 in. |
| May | 67.8 °F | 85.7 °F | 5.1 in. |
| June | 73.6 °F | 91.1 °F | 5.46 in. |
| July | 75.0 °F | 93.0 °F | 3.99 in. |
| August | 74.9 °F | 93.9 °F | 5.54 in. |
| September | 70.6 °F | 89.4 °F | 5.07 in. |
| October | 61.4 °F | 82.3 °F | 4.55 in. |
| November | 51.7 °F | 72.3 °F | 4.55 in. |
| December | 45.5 °F | 64.9 °F | 4.23 in. |
| Annual | 60.5 °F | 79.5 °F | 53.57 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |