Briggs, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.8 °C (low) to 25.4 °C (high). Annual precipitation averages 841 Millimeters. Briggs 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. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.5 °C | 15.3 °C | 54.36 mm |
| February | 4.4 °C | 17.2 °C | 53.85 mm |
| March | 8.3 °C | 21.2 °C | 73.66 mm |
| April | 12.3 °C | 25.2 °C | 58.67 mm |
| May | 17.3 °C | 28.8 °C | 102.36 mm |
| June | 21.2 °C | 32.7 °C | 86.61 mm |
| July | 22.3 °C | 34.7 °C | 51.05 mm |
| August | 22.3 °C | 35.2 °C | 56.64 mm |
| September | 19 °C | 31.6 °C | 83.31 mm |
| October | 13.4 °C | 26.4 °C | 92.71 mm |
| November | 7.7 °C | 20.3 °C | 68.83 mm |
| December | 3.3 °C | 15.9 °C | 58.93 mm |
| Annual | 12.8 °C | 25.4 °C | 840.98 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| 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 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |