Niceville, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.9 °C (low) to 24.8 °C (high). Annual precipitation averages 1729.2 Millimeters. Niceville is located in USDA Plant Hardiness Zone 9a. 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 | 5.3 °C | 15.9 °C | 131.57 mm |
| February | 7.1 °C | 17.6 °C | 133.1 mm |
| March | 10.4 °C | 20.8 °C | 138.18 mm |
| April | 14.2 °C | 24.3 °C | 141.99 mm |
| May | 18.6 °C | 28.3 °C | 99.06 mm |
| June | 22.5 °C | 30.9 °C | 162.56 mm |
| July | 23.5 °C | 31.9 °C | 200.91 mm |
| August | 23.3 °C | 31.7 °C | 207.01 mm |
| September | 21.2 °C | 30.4 °C | 153.92 mm |
| October | 15.7 °C | 26.4 °C | 114.55 mm |
| November | 9.7 °C | 21.4 °C | 119.13 mm |
| December | 6.8 °C | 17.4 °C | 127.25 mm |
| Annual | 14.9 °C | 24.8 °C | 1729.23 mm |
| 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 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |