Southside Place, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 61.8 °F (low) to 79.2 °F (high). Annual precipitation averages 55.4 Inches. Southside Place is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 45.1 °F | 63.0 °F | 4.27 in. |
| February | 48.7 °F | 66.5 °F | 3.18 in. |
| March | 55.1 °F | 72.2 °F | 3.73 in. |
| April | 61.2 °F | 78.3 °F | 4.12 in. |
| May | 68.8 °F | 85.0 °F | 5.33 in. |
| June | 74.6 °F | 90.9 °F | 5.69 in. |
| July | 76.4 °F | 92.8 °F | 4.25 in. |
| August | 76.3 °F | 93.6 °F | 5.57 in. |
| September | 72.0 °F | 89.0 °F | 5.48 in. |
| October | 63.2 °F | 81.8 °F | 4.88 in. |
| November | 53.3 °F | 71.9 °F | 4.66 in. |
| December | 46.9 °F | 64.9 °F | 4.26 in. |
| Annual | 61.8 °F | 79.2 °F | 55.42 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 |