Paint Rock, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.8 °F (low) to 79.2 °F (high). Annual precipitation averages 24.3 Inches. Paint Rock is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.9 °F | 60.1 °F | 1.09 in. |
| February | 36.7 °F | 64.3 °F | 1.54 in. |
| March | 44.6 °F | 71.9 °F | 1.93 in. |
| April | 51.7 °F | 80.6 °F | 1.54 in. |
| May | 61.6 °F | 87.3 °F | 3.35 in. |
| June | 68.9 °F | 93.3 °F | 3.13 in. |
| July | 71.6 °F | 96.3 °F | 1.88 in. |
| August | 71.2 °F | 96.2 °F | 2.18 in. |
| September | 64.3 °F | 89.5 °F | 2.33 in. |
| October | 53.6 °F | 80.7 °F | 2.3 in. |
| November | 42.6 °F | 69.0 °F | 1.81 in. |
| December | 34.4 °F | 61.3 °F | 1.21 in. |
| Annual | 52.8 °F | 79.2 °F | 24.29 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |