Jupiter Island, FL has a humid subtropical climate with hot and humid summers and mild winters. The average temperature in the summer can reach up to 90°F with humidity levels reaching close to 100%. During the winter months, temperatures stay in the mid-to-upper 60s during the day and dip down into the low 50s overnight. Rainfall is highest during the summer months when tropical storms are most common. Average rainfall for the year is 51 inches, most of which occurs between June and October.
Jupiter Island, Florida gets 63 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jupiter Island averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 233 sunny days per year in Jupiter Island. The US average is 205 sunny days.
Jupiter Island gets some kind of precipitation, on average, 135 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 90 degrees
Winter Low: the January low is 54
Rain: averages 63 inches of rain a year
Snow: averages 0 inches of snow a year