Anderson, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.2 °C (low) to 26.4 °C (high). Annual precipitation averages 1174.5 Millimeters. Anderson is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.6 °C | 16.5 °C | 95.76 mm |
| February | 6.6 °C | 18.6 °C | 79.25 mm |
| March | 10.1 °C | 22.3 °C | 86.36 mm |
| April | 13.8 °C | 26.1 °C | 86.36 mm |
| May | 18.4 °C | 29.9 °C | 124.71 mm |
| June | 21.9 °C | 33.1 °C | 110.74 mm |
| July | 23 °C | 34.9 °C | 67.82 mm |
| August | 22.8 °C | 35.5 °C | 86.87 mm |
| September | 20 °C | 32.6 °C | 105.16 mm |
| October | 14.6 °C | 27.9 °C | 116.08 mm |
| November | 9.4 °C | 21.8 °C | 113.28 mm |
| December | 5.7 °C | 17.3 °C | 102.11 mm |
| Annual | 14.2 °C | 26.4 °C | 1174.5 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |