Mound, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.8 °C (low) to 25.8 °C (high). Annual precipitation averages 877.3 Millimeters. Mound is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.2 °C | 15.3 °C | 56.13 mm |
| February | 4.2 °C | 17.4 °C | 61.21 mm |
| March | 8.3 °C | 21.3 °C | 77.98 mm |
| April | 12.4 °C | 25.7 °C | 70.87 mm |
| May | 17.4 °C | 29.3 °C | 110.74 mm |
| June | 21.3 °C | 33.2 °C | 88.65 mm |
| July | 22.6 °C | 35.4 °C | 48.01 mm |
| August | 22.4 °C | 35.9 °C | 61.98 mm |
| September | 19.1 °C | 32.4 °C | 70.36 mm |
| October | 13.3 °C | 27.1 °C | 101.09 mm |
| November | 7.7 °C | 20.7 °C | 66.8 mm |
| December | 3.2 °C | 16 °C | 63.5 mm |
| Annual | 12.8 °C | 25.8 °C | 877.32 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |