Juno Beach, Florida has a Tropical Rainforest climate (Köppen classification: Af). Average annual temperatures range from 20.3 °C (low) to 28.1 °C (high). Annual precipitation averages 1779.3 Millimeters. Juno Beach is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.3 °C | 23.2 °C | 95 mm |
| February | 15.4 °C | 24.3 °C | 81.79 mm |
| March | 17 °C | 25.4 °C | 111.76 mm |
| April | 19.7 °C | 27.6 °C | 105.16 mm |
| May | 21.9 °C | 29.4 °C | 138.68 mm |
| June | 23.9 °C | 31.2 °C | 236.73 mm |
| July | 24.6 °C | 32.1 °C | 180.59 mm |
| August | 24.8 °C | 32.2 °C | 228.35 mm |
| September | 24.4 °C | 31.3 °C | 231.9 mm |
| October | 22.6 °C | 29.5 °C | 171.45 mm |
| November | 18.9 °C | 26.5 °C | 114.3 mm |
| December | 16.3 °C | 24.6 °C | 83.57 mm |
| Annual | 20.3 °C | 28.1 °C | 1779.28 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 1.7°C to 4.4°C |
| Plant Hardiness Zone - 2012 | Zone 10b : 1.7°C to 4.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Af - Tropical Rainforest |