Coldspring, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.2 °F (low) to 78.2 °F (high). Annual precipitation averages 53.5 Inches. Coldspring is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.8 °F | 60.6 °F | 4.57 in. |
| February | 42.2 °F | 64.5 °F | 3.69 in. |
| March | 48.6 °F | 71.4 °F | 3.88 in. |
| April | 55.1 °F | 77.9 °F | 3.79 in. |
| May | 63.8 °F | 84.6 °F | 5.21 in. |
| June | 70.3 °F | 90.4 °F | 5.26 in. |
| July | 72.5 °F | 93.1 °F | 3.53 in. |
| August | 72.0 °F | 94.4 °F | 4.68 in. |
| September | 67.0 °F | 88.9 °F | 4.29 in. |
| October | 56.8 °F | 80.9 °F | 5.09 in. |
| November | 47.0 °F | 70.0 °F | 4.91 in. |
| December | 40.5 °F | 62.1 °F | 4.64 in. |
| Annual | 56.2 °F | 78.2 °F | 53.54 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |