Danbury, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 61 °F (low) to 79.2 °F (high). Annual precipitation averages 53.5 Inches. Danbury is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 44.4 °F | 63.5 °F | 4.29 in. |
| February | 48.3 °F | 66.8 °F | 2.95 in. |
| March | 54.0 °F | 72.5 °F | 3.27 in. |
| April | 60.3 °F | 78.4 °F | 3.78 in. |
| May | 68.1 °F | 84.6 °F | 4.62 in. |
| June | 73.6 °F | 90.1 °F | 5.23 in. |
| July | 74.8 °F | 91.9 °F | 4.34 in. |
| August | 74.8 °F | 92.8 °F | 5.38 in. |
| September | 71.1 °F | 89.0 °F | 6.36 in. |
| October | 62.8 °F | 82.4 °F | 4.82 in. |
| November | 53.3 °F | 73.0 °F | 4.19 in. |
| December | 46.4 °F | 65.7 °F | 4.23 in. |
| Annual | 61 °F | 79.2 °F | 53.46 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 |