Bloomburg, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.6 °C (low) to 24.2 °C (high). Annual precipitation averages 1294.9 Millimeters. Bloomburg is located in USDA Plant Hardiness Zone 8b. 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 | 0.9 °C | 12.9 °C | 103.12 mm |
| February | 2.6 °C | 15.2 °C | 118.11 mm |
| March | 6.7 °C | 19.7 °C | 119.13 mm |
| April | 10.8 °C | 24.2 °C | 120.65 mm |
| May | 16.2 °C | 28.2 °C | 123.95 mm |
| June | 20.5 °C | 32.2 °C | 107.7 mm |
| July | 22.2 °C | 34.3 °C | 88.9 mm |
| August | 21.7 °C | 34.4 °C | 76.96 mm |
| September | 18 °C | 31.1 °C | 98.55 mm |
| October | 11.3 °C | 25.3 °C | 116.08 mm |
| November | 5.8 °C | 18.7 °C | 100.08 mm |
| December | 2.1 °C | 14 °C | 121.67 mm |
| Annual | 11.6 °C | 24.2 °C | 1294.9 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 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 |