Streetman, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.7 °F (low) to 77.5 °F (high). Annual precipitation averages 42.4 Inches. Streetman is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.1 °F | 58.4 °F | 3.2 in. |
| February | 40.4 °F | 62.1 °F | 3.27 in. |
| March | 47.6 °F | 69.4 °F | 3.9 in. |
| April | 53.9 °F | 76.8 °F | 3.69 in. |
| May | 63.6 °F | 83.7 °F | 4.45 in. |
| June | 71.0 °F | 90.8 °F | 3.99 in. |
| July | 73.4 °F | 94.7 °F | 2.01 in. |
| August | 73.0 °F | 95.9 °F | 2.56 in. |
| September | 66.9 °F | 89.7 °F | 3.3 in. |
| October | 56.2 °F | 79.8 °F | 4.82 in. |
| November | 46.1 °F | 68.5 °F | 3.45 in. |
| December | 38.7 °F | 60.1 °F | 3.78 in. |
| Annual | 55.7 °F | 77.5 °F | 42.42 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |