Tyler, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 24.7 °C (high). Annual precipitation averages 1194.8 Millimeters. Tyler is located in USDA Plant Hardiness Zone 8b. 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 | 2.2 °C | 13.9 °C | 95.76 mm |
| February | 4.2 °C | 16.3 °C | 103.63 mm |
| March | 8.1 °C | 20.6 °C | 111.51 mm |
| April | 12 °C | 24.7 °C | 102.87 mm |
| May | 17.2 °C | 28.4 °C | 116.59 mm |
| June | 21.2 °C | 32.1 °C | 107.19 mm |
| July | 22.8 °C | 34.1 °C | 67.06 mm |
| August | 22.4 °C | 34.5 °C | 72.9 mm |
| September | 18.9 °C | 31.2 °C | 85.6 mm |
| October | 12.8 °C | 25.8 °C | 115.82 mm |
| November | 7.3 °C | 19.5 °C | 101.6 mm |
| December | 3.3 °C | 14.9 °C | 114.3 mm |
| Annual | 12.7 °C | 24.7 °C | 1194.83 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 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |