Christmas, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17.2 °C (low) to 28 °C (high). Annual precipitation averages 1430.8 Millimeters. Christmas is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.7 °C | 21.7 °C | 73.15 mm |
| February | 11.1 °C | 23.2 °C | 62.48 mm |
| March | 13.3 °C | 25.3 °C | 86.61 mm |
| April | 16.1 °C | 28 °C | 71.63 mm |
| May | 19.3 °C | 30.7 °C | 102.11 mm |
| June | 22.2 °C | 32.2 °C | 213.36 mm |
| July | 23.1 °C | 33 °C | 192.28 mm |
| August | 23.3 °C | 32.9 °C | 223.77 mm |
| September | 22.7 °C | 31.7 °C | 181.36 mm |
| October | 19.4 °C | 29.1 °C | 105.66 mm |
| November | 14.9 °C | 25.4 °C | 53.85 mm |
| December | 11.6 °C | 22.9 °C | 64.52 mm |
| Annual | 17.2 °C | 28 °C | 1430.78 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |