Palm Valley, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 62.5 °F (low) to 77.7 °F (high). Annual precipitation averages 52.4 Inches. Palm Valley is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 46.6 °F | 64.4 °F | 3.24 in. |
| February | 49.6 °F | 66.7 °F | 2.85 in. |
| March | 54.6 °F | 71.6 °F | 3.37 in. |
| April | 61.1 °F | 77.0 °F | 2.79 in. |
| May | 68.1 °F | 82.6 °F | 3.31 in. |
| June | 73.3 °F | 87.2 °F | 6.97 in. |
| July | 74.8 °F | 89.5 °F | 5.62 in. |
| August | 75.1 °F | 88.7 °F | 6.72 in. |
| September | 73.4 °F | 85.7 °F | 7.69 in. |
| October | 66.3 °F | 79.8 °F | 4.55 in. |
| November | 56.3 °F | 72.5 °F | 2.45 in. |
| December | 50.3 °F | 66.8 °F | 2.83 in. |
| Annual | 62.5 °F | 77.7 °F | 52.39 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |