Riviera Beach, Florida has a Tropical Rainforest climate (Köppen classification: Af). Average annual temperatures range from 68.9 °F (low) to 82.9 °F (high). Annual precipitation averages 65.3 Inches. Riviera Beach is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 58.5 °F | 74.1 °F | 3.68 in. |
| February | 60.3 °F | 76.5 °F | 2.94 in. |
| March | 62.7 °F | 78.3 °F | 3.9 in. |
| April | 67.8 °F | 82.0 °F | 3.8 in. |
| May | 71.6 °F | 85.1 °F | 4.91 in. |
| June | 75.1 °F | 88.3 °F | 9.15 in. |
| July | 76.4 °F | 89.8 °F | 6.22 in. |
| August | 76.7 °F | 90.2 °F | 8.67 in. |
| September | 76.0 °F | 88.4 °F | 8.38 in. |
| October | 72.8 °F | 85.2 °F | 6.41 in. |
| November | 66.4 °F | 80.3 °F | 3.93 in. |
| December | 61.9 °F | 76.9 °F | 3.28 in. |
| Annual | 68.9 °F | 82.9 °F | 65.27 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 35°F to 30°F |
| Plant Hardiness Zone - 2012 | Zone 10b : 35°F to 30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Af - Tropical Rainforest |