June weather forecastJupiter Island, FL
June
Weather in June
The first month of the summer, June, is still a warm month in Jupiter Island, Florida, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 78.3°F (25.7°C).Temperature
June's onset records an average high-temperature of a still moderately hot 84.7°F (29.3°C), a near match to May's 81°F (27.2°C). Jupiter Island logs an average low-temperature of 78.3°F (25.7°C) during the nights of June, subtly lower than its daytime highs.Heat index
The average heat index in June is calculated to be a very hot 95°F (35°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
With an average relative humidity of 78%, June is the most humid month in Jupiter Island.Rainfall
In June, the rain falls for 21.7 days. Throughout June, 5" (127mm) of precipitation is accumulated. In Jupiter Island, during the entire year, the rain falls for 227.4 days and collects up to 44.72" (1136mm) of precipitation.Daylight
The month with the longest days is June, with an average of 13h and 48min of daylight.On the first day of the month, sunrise is at 6:26 am and sunset at 8:10 pm. On the last day of June, in Jupiter Island, Florida, sunrise is at 6:29 am and sunset at 8:18 pm EDT.
Sunshine
In Jupiter Island, the average sunshine in June is 10.6h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index in Jupiter Island. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: In June, a daily UV index of 7 turns into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Jupiter Island, FL
- Average high temperature in June: 84.7°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (71.2°F).
- Average low temperature in June: 78.3°F
The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in June
Jupiter Island, FL
- Average pressure in June: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in June
Jupiter Island, FL
- Average wind speed in June: 8.1mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in June
Jupiter Island, FL
- Average humidity in June: 78%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in June
Jupiter Island, FL
- Average rainfall in June: 5"
The wettest month (with the highest rainfall) is August (7.64").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in June
Jupiter Island, FL
- Average rainfall days in June: 21.7 days
The month with the highest number of rainy days is August (26.7 days).
The month with the least rainy days is January (13 days).
Average daylight in June /
Average sunshine in June
Jupiter Island, FL
- Average daylight in June: 13h and 48min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in June: 10h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in June
Jupiter Island, FL
- Average sunshine days in June: 5.8 days
The month with the most sunshine days is January (14.3 days).
The month with the least sunshine days is August (2.4 days).
Average UV index in June
Jupiter Island, FL
- Average UV index in June: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).
Average cloud cover in June
Jupiter Island, FL
- Average cloud cover in June: 30
The months with the most cloud cover are November and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in June
Jupiter Island, FL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





