Lufkin, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 25.4 °C (high). Annual precipitation averages 1314.5 Millimeters. Lufkin 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 | 2.7 °C | 15.4 °C | 120.4 mm |
| February | 4.7 °C | 17.7 °C | 97.28 mm |
| March | 8.3 °C | 21.4 °C | 109.73 mm |
| April | 12.1 °C | 25.2 °C | 105.16 mm |
| May | 17.2 °C | 29.1 °C | 122.43 mm |
| June | 21 °C | 32.4 °C | 121.92 mm |
| July | 22.3 °C | 34.2 °C | 78.74 mm |
| August | 21.9 °C | 34.6 °C | 92.96 mm |
| September | 18.8 °C | 31.6 °C | 93.22 mm |
| October | 12.8 °C | 26.6 °C | 110.74 mm |
| November | 7.3 °C | 20.7 °C | 127.25 mm |
| December | 3.8 °C | 16.2 °C | 134.62 mm |
| Annual | 12.7 °C | 25.4 °C | 1314.45 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 |