Orange, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 58.6 °F (low) to 78 °F (high). Annual precipitation averages 63.6 Inches. Orange is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 41.6 °F | 61.2 °F | 5.82 in. |
| February | 45.5 °F | 65.1 °F | 3.98 in. |
| March | 51.5 °F | 71.3 °F | 3.98 in. |
| April | 58.2 °F | 77.6 °F | 4.4 in. |
| May | 66.1 °F | 84.2 °F | 5.31 in. |
| June | 72.1 °F | 89.6 °F | 6.76 in. |
| July | 74.0 °F | 91.6 °F | 5.64 in. |
| August | 73.6 °F | 92.2 °F | 6.15 in. |
| September | 68.9 °F | 88.5 °F | 6.42 in. |
| October | 58.9 °F | 80.9 °F | 5.41 in. |
| November | 49.3 °F | 70.8 °F | 4.66 in. |
| December | 43.6 °F | 63.5 °F | 5.08 in. |
| Annual | 58.6 °F | 78 °F | 63.61 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |