Grant-Valkaria, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 64.7 °F (low) to 82.1 °F (high). Annual precipitation averages 61 Inches. Grant-Valkaria is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 52.4 °F | 72.1 °F | 2.66 in. |
| February | 54.5 °F | 74.1 °F | 3.07 in. |
| March | 58.2 °F | 77.0 °F | 3.17 in. |
| April | 63.1 °F | 81.7 °F | 2.92 in. |
| May | 68.4 °F | 85.6 °F | 4.18 in. |
| June | 72.4 °F | 88.9 °F | 8.88 in. |
| July | 73.4 °F | 90.5 °F | 7.82 in. |
| August | 74.2 °F | 90.4 °F | 7.84 in. |
| September | 73.5 °F | 88.2 °F | 8.42 in. |
| October | 69.6 °F | 83.9 °F | 5.76 in. |
| November | 61.3 °F | 78.4 °F | 3.46 in. |
| December | 55.9 °F | 74.1 °F | 2.8 in. |
| Annual | 64.7 °F | 82.1 °F | 60.98 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 10a : 30°F to 25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |