Channelview, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 61.8 °F (low) to 78.5 °F (high). Annual precipitation averages 58.8 Inches. Channelview is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 44.7 °F | 62.9 °F | 4.52 in. |
| February | 48.2 °F | 66.3 °F | 3.45 in. |
| March | 55.1 °F | 71.7 °F | 3.77 in. |
| April | 61.6 °F | 77.6 °F | 4.28 in. |
| May | 69.1 °F | 84.1 °F | 5.6 in. |
| June | 75.0 °F | 89.7 °F | 6.06 in. |
| July | 76.8 °F | 91.8 °F | 4.54 in. |
| August | 76.5 °F | 92.5 °F | 6.25 in. |
| September | 72.2 °F | 88.4 °F | 5.66 in. |
| October | 63.1 °F | 81.1 °F | 5.4 in. |
| November | 53.2 °F | 71.5 °F | 4.76 in. |
| December | 46.6 °F | 64.6 °F | 4.48 in. |
| Annual | 61.8 °F | 78.5 °F | 58.77 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 |