Flagler Beach, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 62.4 °F (low) to 78.7 °F (high). Annual precipitation averages 52 Inches. Flagler Beach is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 47.4 °F | 66.5 °F | 3.16 in. |
| February | 50.1 °F | 68.6 °F | 2.75 in. |
| March | 54.6 °F | 73.0 °F | 3.29 in. |
| April | 60.8 °F | 78.0 °F | 2.59 in. |
| May | 67.0 °F | 83.3 °F | 3.63 in. |
| June | 72.2 °F | 87.1 °F | 6.57 in. |
| July | 73.7 °F | 89.2 °F | 5.94 in. |
| August | 74.2 °F | 88.7 °F | 6.37 in. |
| September | 73.1 °F | 86.0 °F | 7.96 in. |
| October | 66.5 °F | 80.9 °F | 4.48 in. |
| November | 57.9 °F | 74.3 °F | 2.65 in. |
| December | 51.3 °F | 68.7 °F | 2.61 in. |
| Annual | 62.4 °F | 78.7 °F | 52 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 9b : 25°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |