Jupiter Island, Florida has a Tropical Monsoon climate (Köppen classification: Am). Average annual temperatures range from 20.2 °C (low) to 28.1 °C (high). Annual precipitation averages 1575 Millimeters. Jupiter Island is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.2 °C | 23.1 °C | 82.8 mm |
| February | 15.3 °C | 24.4 °C | 68.07 mm |
| March | 16.7 °C | 25.4 °C | 95.25 mm |
| April | 19.6 °C | 27.6 °C | 87.38 mm |
| May | 21.8 °C | 29.4 °C | 134.62 mm |
| June | 23.8 °C | 31.2 °C | 200.91 mm |
| July | 24.6 °C | 32.1 °C | 156.46 mm |
| August | 24.7 °C | 32.2 °C | 207.26 mm |
| September | 24.3 °C | 31.2 °C | 215.65 mm |
| October | 22.4 °C | 29.4 °C | 153.16 mm |
| November | 18.8 °C | 26.6 °C | 102.11 mm |
| December | 16.1 °C | 24.6 °C | 71.37 mm |
| Annual | 20.2 °C | 28.1 °C | 1575.04 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 10a : -1.1°C to 1.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Am - Tropical Monsoon |