The Woodlands, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.9 °C (low) to 26.5 °C (high). Annual precipitation averages 1313.9 Millimeters. The Woodlands is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.4 °C | 17 °C | 103.12 mm |
| February | 7.4 °C | 19 °C | 84.07 mm |
| March | 10.9 °C | 22.6 °C | 91.19 mm |
| April | 14.4 °C | 26.3 °C | 95.25 mm |
| May | 19.1 °C | 30 °C | 130.3 mm |
| June | 22.3 °C | 33.2 °C | 130.3 mm |
| July | 23.4 °C | 34.4 °C | 94.49 mm |
| August | 23.2 °C | 35 °C | 121.16 mm |
| September | 20.6 °C | 32.3 °C | 115.32 mm |
| October | 15.3 °C | 28 °C | 127.51 mm |
| November | 9.9 °C | 22.1 °C | 117.09 mm |
| December | 6.3 °C | 17.8 °C | 104.14 mm |
| Annual | 14.9 °C | 26.5 °C | 1313.94 mm |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |