Bloomington, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 61.4 °F (low) to 80 °F (high). Annual precipitation averages 39.6 Inches. Bloomington is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 44.1 °F | 64.5 °F | 2.75 in. |
| February | 48.1 °F | 68.0 °F | 2.02 in. |
| March | 55.1 °F | 73.2 °F | 2.91 in. |
| April | 61.0 °F | 79.2 °F | 2.71 in. |
| May | 68.7 °F | 85.2 °F | 4.31 in. |
| June | 74.3 °F | 90.4 °F | 4.21 in. |
| July | 75.6 °F | 92.7 °F | 3.26 in. |
| August | 75.4 °F | 94.0 °F | 3.22 in. |
| September | 71.3 °F | 89.9 °F | 4.96 in. |
| October | 63.0 °F | 83.2 °F | 3.83 in. |
| November | 53.5 °F | 73.3 °F | 2.87 in. |
| December | 46.6 °F | 66.2 °F | 2.57 in. |
| Annual | 61.4 °F | 80 °F | 39.62 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |