Anson, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11 °C (low) to 25.2 °C (high). Annual precipitation averages 654.8 Millimeters. Anson is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.5 °C | 13.9 °C | 26.67 mm |
| February | 1.4 °C | 16.2 °C | 34.54 mm |
| March | 5.6 °C | 20.8 °C | 45.72 mm |
| April | 10.1 °C | 25.8 °C | 49.78 mm |
| May | 15.6 °C | 29.7 °C | 85.09 mm |
| June | 20.3 °C | 33.6 °C | 89.41 mm |
| July | 22.3 °C | 35.8 °C | 46.74 mm |
| August | 21.8 °C | 35.4 °C | 66.04 mm |
| September | 17.6 °C | 31.1 °C | 74.17 mm |
| October | 11.5 °C | 25.9 °C | 63.5 mm |
| November | 5.1 °C | 19.2 °C | 39.88 mm |
| December | 0.6 °C | 14.5 °C | 33.27 mm |
| Annual | 11 °C | 25.2 °C | 654.81 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |