Tow, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.6 °C (low) to 26 °C (high). Annual precipitation averages 740.9 Millimeters. Tow 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 | 1.9 °C | 15.6 °C | 44.2 mm |
| February | 3.9 °C | 17.6 °C | 44.96 mm |
| March | 8.1 °C | 21.6 °C | 71.12 mm |
| April | 12.1 °C | 26.1 °C | 54.36 mm |
| May | 16.9 °C | 29.4 °C | 110.49 mm |
| June | 21.1 °C | 33.4 °C | 80.01 mm |
| July | 22.4 °C | 35.4 °C | 44.7 mm |
| August | 22.5 °C | 35.9 °C | 42.42 mm |
| September | 19.1 °C | 32.2 °C | 60.2 mm |
| October | 13.2 °C | 27.2 °C | 80.52 mm |
| November | 7.6 °C | 20.9 °C | 58.17 mm |
| December | 2.6 °C | 16.2 °C | 49.78 mm |
| Annual | 12.6 °C | 26 °C | 740.93 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |