Beach City, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 64.5 °F (low) to 75.9 °F (high). Annual precipitation averages 58.8 Inches. Beach City is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 47.5 °F | 60.9 °F | 4.66 in. |
| February | 51.0 °F | 63.7 °F | 3.35 in. |
| March | 57.3 °F | 68.9 °F | 3.62 in. |
| April | 63.9 °F | 74.8 °F | 4.26 in. |
| May | 71.5 °F | 81.0 °F | 5.36 in. |
| June | 77.1 °F | 86.4 °F | 5.87 in. |
| July | 79.0 °F | 88.5 °F | 4.82 in. |
| August | 78.3 °F | 89.1 °F | 6.34 in. |
| September | 74.9 °F | 85.6 °F | 6.01 in. |
| October | 67.1 °F | 78.7 °F | 5.41 in. |
| November | 56.9 °F | 70.1 °F | 4.63 in. |
| December | 49.5 °F | 63.0 °F | 4.51 in. |
| Annual | 64.5 °F | 75.9 °F | 58.84 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 |