Miramar Beach, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 61.3 °F (low) to 76.3 °F (high). Annual precipitation averages 63.7 Inches. Miramar Beach is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 44.1 °F | 61.1 °F | 5.29 in. |
| February | 47.3 °F | 63.7 °F | 5.18 in. |
| March | 53.3 °F | 69.0 °F | 5.35 in. |
| April | 60.4 °F | 74.7 °F | 5.5 in. |
| May | 68.2 °F | 81.7 °F | 3.6 in. |
| June | 74.7 °F | 86.8 °F | 5.76 in. |
| July | 76.4 °F | 88.9 °F | 6.91 in. |
| August | 76.1 °F | 88.8 °F | 7.01 in. |
| September | 72.5 °F | 86.7 °F | 5.48 in. |
| October | 63.2 °F | 79.6 °F | 4.3 in. |
| November | 52.4 °F | 70.7 °F | 4.46 in. |
| December | 46.9 °F | 63.8 °F | 4.84 in. |
| Annual | 61.3 °F | 76.3 °F | 63.68 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |