Runge, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59.3 °F (low) to 82 °F (high). Annual precipitation averages 31.5 Inches. Runge is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.4 °F | 65.4 °F | 1.82 in. |
| February | 46.4 °F | 69.5 °F | 1.66 in. |
| March | 52.9 °F | 75.2 °F | 2.52 in. |
| April | 58.7 °F | 81.7 °F | 2.67 in. |
| May | 67.0 °F | 87.9 °F | 3.53 in. |
| June | 72.4 °F | 93.3 °F | 3.28 in. |
| July | 73.7 °F | 95.7 °F | 2.59 in. |
| August | 73.5 °F | 96.9 °F | 2.32 in. |
| September | 69.1 °F | 91.7 °F | 3.85 in. |
| October | 60.5 °F | 85.0 °F | 2.99 in. |
| November | 51.0 °F | 74.7 °F | 2.21 in. |
| December | 44.0 °F | 67.2 °F | 2.09 in. |
| Annual | 59.3 °F | 82 °F | 31.53 in. |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |