San Felipe, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 58.3 °F (low) to 79.8 °F (high). Annual precipitation averages 46 Inches. San Felipe is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 41.6 °F | 62.6 °F | 3.76 in. |
| February | 45.2 °F | 66.3 °F | 2.64 in. |
| March | 51.6 °F | 72.8 °F | 3.73 in. |
| April | 57.9 °F | 79.3 °F | 3.77 in. |
| May | 66.0 °F | 86.0 °F | 4.41 in. |
| June | 71.8 °F | 91.1 °F | 4.46 in. |
| July | 73.0 °F | 93.9 °F | 2.76 in. |
| August | 72.8 °F | 95.5 °F | 3.91 in. |
| September | 68.6 °F | 90.3 °F | 4.27 in. |
| October | 58.7 °F | 82.4 °F | 4.74 in. |
| November | 49.4 °F | 72.2 °F | 3.97 in. |
| December | 43.1 °F | 64.6 °F | 3.61 in. |
| Annual | 58.3 °F | 79.8 °F | 46.03 in. |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |