Jacksonville Beach, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 62.8 °F (low) to 77 °F (high). Annual precipitation averages 52.3 Inches. Jacksonville Beach is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 46.6 °F | 63.4 °F | 3.33 in. |
| February | 49.5 °F | 65.7 °F | 2.91 in. |
| March | 54.6 °F | 70.5 °F | 3.38 in. |
| April | 61.3 °F | 76.2 °F | 2.81 in. |
| May | 68.6 °F | 81.8 °F | 3.01 in. |
| June | 73.8 °F | 86.7 °F | 6.95 in. |
| July | 75.6 °F | 89.1 °F | 4.96 in. |
| August | 75.8 °F | 88.3 °F | 6.77 in. |
| September | 74.1 °F | 85.2 °F | 7.47 in. |
| October | 66.9 °F | 79.2 °F | 5.05 in. |
| November | 57.0 °F | 71.9 °F | 2.63 in. |
| December | 50.2 °F | 65.8 °F | 3.01 in. |
| Annual | 62.8 °F | 77 °F | 52.28 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 |