Runge, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.2 °C (low) to 27.8 °C (high). Annual precipitation averages 800.9 Millimeters. 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 | 5.8 °C | 18.6 °C | 46.23 mm |
| February | 8 °C | 20.8 °C | 42.16 mm |
| March | 11.6 °C | 24 °C | 64.01 mm |
| April | 14.8 °C | 27.6 °C | 67.82 mm |
| May | 19.4 °C | 31.1 °C | 89.66 mm |
| June | 22.4 °C | 34.1 °C | 83.31 mm |
| July | 23.2 °C | 35.4 °C | 65.79 mm |
| August | 23.1 °C | 36.1 °C | 58.93 mm |
| September | 20.6 °C | 33.2 °C | 97.79 mm |
| October | 15.8 °C | 29.4 °C | 75.95 mm |
| November | 10.6 °C | 23.7 °C | 56.13 mm |
| December | 6.7 °C | 19.6 °C | 53.09 mm |
| Annual | 15.2 °C | 27.8 °C | 800.87 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |