Bridge City, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.1 °C (low) to 25.5 °C (high). Annual precipitation averages 1633.5 Millimeters. Bridge City is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.7 °C | 16.2 °C | 152.65 mm |
| February | 7.8 °C | 18.4 °C | 102.87 mm |
| March | 11.2 °C | 21.8 °C | 100.58 mm |
| April | 14.8 °C | 25.2 °C | 112.01 mm |
| May | 19.3 °C | 28.9 °C | 131.57 mm |
| June | 22.6 °C | 31.8 °C | 172.72 mm |
| July | 23.6 °C | 32.9 °C | 149.61 mm |
| August | 23.3 °C | 33.3 °C | 159.77 mm |
| September | 20.8 °C | 31.2 °C | 164.34 mm |
| October | 15.3 °C | 27.1 °C | 136.4 mm |
| November | 10 °C | 21.5 °C | 122.43 mm |
| December | 6.7 °C | 17.4 °C | 128.52 mm |
| Annual | 15.1 °C | 25.5 °C | 1633.47 mm |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°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 |