Daisetta, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.6 °C (low) to 26.1 °C (high). Annual precipitation averages 1556.5 Millimeters. Daisetta is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.2 °C | 16.9 °C | 124.71 mm |
| February | 7.2 °C | 19 °C | 98.04 mm |
| March | 10.7 °C | 22.6 °C | 102.11 mm |
| April | 14.4 °C | 25.8 °C | 109.98 mm |
| May | 18.8 °C | 29.4 °C | 138.43 mm |
| June | 22.2 °C | 32.5 °C | 148.84 mm |
| July | 23.2 °C | 33.7 °C | 124.21 mm |
| August | 23 °C | 34.1 °C | 150.88 mm |
| September | 20.3 °C | 31.7 °C | 149.35 mm |
| October | 14.9 °C | 27.5 °C | 156.72 mm |
| November | 9.6 °C | 21.9 °C | 122.68 mm |
| December | 6.2 °C | 17.7 °C | 130.56 mm |
| Annual | 14.6 °C | 26.1 °C | 1556.51 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |