Richland Springs, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.4 °F (low) to 78.4 °F (high). Annual precipitation averages 28.3 Inches. Richland Springs 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 | 32.8 °F | 60.0 °F | 1.33 in. |
| February | 37.2 °F | 63.6 °F | 1.97 in. |
| March | 44.8 °F | 70.6 °F | 2.32 in. |
| April | 51.5 °F | 78.4 °F | 2.07 in. |
| May | 60.5 °F | 85.2 °F | 4.25 in. |
| June | 67.8 °F | 91.6 °F | 3.36 in. |
| July | 70.5 °F | 95.7 °F | 1.81 in. |
| August | 70.2 °F | 96.0 °F | 1.93 in. |
| September | 63.8 °F | 89.5 °F | 2.61 in. |
| October | 52.7 °F | 80.5 °F | 3.03 in. |
| November | 42.4 °F | 69.4 °F | 2.02 in. |
| December | 34.3 °F | 60.8 °F | 1.62 in. |
| Annual | 52.4 °F | 78.4 °F | 28.32 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |