Winnie, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 60 °F (low) to 78.1 °F (high). Annual precipitation averages 61.3 Inches. Winnie 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 | 42.7 °F | 61.6 °F | 5.1 in. |
| February | 46.3 °F | 65.4 °F | 3.57 in. |
| March | 52.4 °F | 71.5 °F | 3.78 in. |
| April | 59.1 °F | 77.6 °F | 4.08 in. |
| May | 67.2 °F | 84.2 °F | 5.25 in. |
| June | 73.3 °F | 89.7 °F | 6.36 in. |
| July | 75.1 °F | 91.4 °F | 5.58 in. |
| August | 74.5 °F | 92.1 °F | 6.48 in. |
| September | 70.1 °F | 88.1 °F | 6.42 in. |
| October | 62.6 °F | 80.9 °F | 5.36 in. |
| November | 51.8 °F | 71.0 °F | 4.52 in. |
| December | 45.0 °F | 63.7 °F | 4.79 in. |
| Annual | 60 °F | 78.1 °F | 61.29 in. |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| 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 |