Follett, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 43.4 °F (low) to 70.6 °F (high). Annual precipitation averages 22.8 Inches. Follett is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.3 °F | 48.3 °F | 0.7 in. |
| February | 23.9 °F | 51.6 °F | 0.68 in. |
| March | 32.6 °F | 61.2 °F | 1.69 in. |
| April | 40.7 °F | 70.4 °F | 2.13 in. |
| May | 51.5 °F | 79.1 °F | 2.97 in. |
| June | 62.1 °F | 88.3 °F | 3.26 in. |
| July | 66.6 °F | 92.6 °F | 2.75 in. |
| August | 64.8 °F | 91.5 °F | 2.7 in. |
| September | 57.1 °F | 83.8 °F | 1.82 in. |
| October | 44.4 °F | 71.5 °F | 2.18 in. |
| November | 31.9 °F | 59.7 °F | 0.97 in. |
| December | 23.3 °F | 48.7 °F | 0.98 in. |
| Annual | 43.4 °F | 70.6 °F | 22.83 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |