Sanger, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12 °C (low) to 24.4 °C (high). Annual precipitation averages 985.8 Millimeters. Sanger is located in USDA Plant Hardiness Zone 8a. 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 | 0.3 °C | 12.8 °C | 54.1 mm |
| February | 2.3 °C | 15.1 °C | 69.09 mm |
| March | 6.8 °C | 19.4 °C | 89.92 mm |
| April | 11.2 °C | 23.9 °C | 87.12 mm |
| May | 16.6 °C | 28.1 °C | 124.46 mm |
| June | 21.4 °C | 32.9 °C | 100.33 mm |
| July | 23.4 °C | 35.5 °C | 64.01 mm |
| August | 23.1 °C | 35.7 °C | 65.79 mm |
| September | 18.9 °C | 31.5 °C | 80.52 mm |
| October | 12.3 °C | 25.6 °C | 109.73 mm |
| November | 6.2 °C | 18.9 °C | 69.85 mm |
| December | 1.5 °C | 13.9 °C | 70.87 mm |
| Annual | 12 °C | 24.4 °C | 985.79 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 8a : -12.2°C to -9.4°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 |