Deerfield Beach, Florida has a Tropical Rainforest climate (Köppen classification: Af). Average annual temperatures range from 69.6 °F (low) to 83.2 °F (high). Annual precipitation averages 61.2 Inches. Deerfield Beach is located in USDA Plant Hardiness Zone 11a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 59.6 °F | 75.1 °F | 2.82 in. |
| February | 61.3 °F | 77.0 °F | 2.77 in. |
| March | 64.3 °F | 79.3 °F | 3.11 in. |
| April | 68.5 °F | 82.4 °F | 3.75 in. |
| May | 72.2 °F | 85.4 °F | 5.25 in. |
| June | 75.4 °F | 88.0 °F | 8.87 in. |
| July | 76.7 °F | 89.5 °F | 6.06 in. |
| August | 77.3 °F | 89.9 °F | 7.56 in. |
| September | 76.3 °F | 88.4 °F | 8.39 in. |
| October | 73.2 °F | 85.6 °F | 6.16 in. |
| November | 67.0 °F | 80.7 °F | 3.88 in. |
| December | 63.1 °F | 77.3 °F | 2.54 in. |
| Annual | 69.6 °F | 83.2 °F | 61.16 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 11a : 40°F to 35°F |
| Plant Hardiness Zone - 2012 | Zone 10b : 35°F to 30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Af - Tropical Rainforest |