Cinco Ranch, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59.8 °F (low) to 79.5 °F (high). Annual precipitation averages 52 Inches. Cinco Ranch is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 43.2 °F | 62.8 °F | 3.87 in. |
| February | 46.9 °F | 66.5 °F | 3.01 in. |
| March | 53.0 °F | 72.9 °F | 3.66 in. |
| April | 59.2 °F | 79.1 °F | 4.18 in. |
| May | 67.3 °F | 85.8 °F | 5.01 in. |
| June | 73.0 °F | 91.1 °F | 5.22 in. |
| July | 74.5 °F | 93.1 °F | 3.67 in. |
| August | 74.3 °F | 94.3 °F | 5.38 in. |
| September | 70.0 °F | 89.6 °F | 4.95 in. |
| October | 60.5 °F | 82.2 °F | 4.45 in. |
| November | 51.1 °F | 72.2 °F | 4.46 in. |
| December | 44.7 °F | 64.8 °F | 4.16 in. |
| Annual | 59.8 °F | 79.5 °F | 52.02 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 |