Hilltop Lakes, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.3 °F (low) to 78.4 °F (high). Annual precipitation averages 43.1 Inches. Hilltop Lakes is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.1 °F | 59.8 °F | 3.64 in. |
| February | 41.9 °F | 63.8 °F | 3.18 in. |
| March | 48.1 °F | 70.7 °F | 3.64 in. |
| April | 55.3 °F | 78.0 °F | 3.32 in. |
| May | 64.1 °F | 84.8 °F | 4.65 in. |
| June | 70.9 °F | 91.2 °F | 3.82 in. |
| July | 73.4 °F | 94.9 °F | 2.3 in. |
| August | 72.8 °F | 95.8 °F | 2.94 in. |
| September | 67.1 °F | 90.0 °F | 3.56 in. |
| October | 56.8 °F | 80.8 °F | 4.37 in. |
| November | 47.1 °F | 69.6 °F | 3.7 in. |
| December | 39.6 °F | 61.4 °F | 3.98 in. |
| Annual | 56.3 °F | 78.4 °F | 43.1 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |