June weather forecastJacksonville Beach, FL
June
Weather in June
The first month of the summer, June, is a tropical month in Jacksonville Beach, Florida, with an average temperature fluctuating between 75.2°F (24°C) and 87.8°F (31°C).Temperature
Jacksonville Beach's average high-temperature in June is a hot 87.8°F (31°C), marking an insignificant difference from the 83.1°F (28.4°C) of May. In June, the average low-temperature records at a warm 75.2°F (24°C) during the nights.Heat index
The heat index value during June is calculated to be a very hot 102.2°F (39°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In Jacksonville Beach, Florida, the average relative humidity in June is 74%.Rainfall
In June, the rain falls for 20.8 days. Throughout June, 3.54" (90mm) of precipitation is accumulated. Throughout the year, there are 185.5 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
In Jacksonville Beach, snow does not fall in February through November.Ocean temperature
In Jacksonville Beach, the average seawater temperature in June is 79.9°F (26.6°C).Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 77°F (25°C) to 84.2°F (29°C), without any unpleasant sensations for prolonged durations.
Daylight
June has the longest days of the year, with an average of 14h and 6min of daylight.On the first day of the month, sunrise is at 6:24 am and sunset at 8:23 pm. On the last day of June, sunrise is at 6:27 am and sunset at 8:31 pm EDT.
Sunshine
In Jacksonville Beach, the average sunshine in June is 10.9h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in June converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Jacksonville Beach, FL
- Average high temperature in June: 87.8°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (63.3°F).
- Average low temperature in June: 75.2°F
The months with the highest average low temperature are July and August (77.5°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).
Average pressure in June
Jacksonville Beach, FL
- Average pressure in June: 29.99"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are August and September (29.98"Hg).
Average wind speed in June
Jacksonville Beach, FL
- Average wind speed in June: 6.8mph
The windiest months (with the highest average wind speed) are January, March, April, October and November (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in June
Jacksonville Beach, FL
- Average humidity in June: 74%
The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is March (70%).
Average rainfall in June
Jacksonville Beach, FL
- Average rainfall in June: 3.54"
The wettest month (with the highest rainfall) is August (4.8").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in June
Jacksonville Beach, FL
- Average rainfall days in June: 20.8 days
The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is February (9.8 days).
Average snowfall days in June
Jacksonville Beach, FL
- Average snowfall days in June: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in June
Jacksonville Beach, FL
- Average sea temperature in June: 79.8°F
The best month for swimming (with the highest average sea temperature) is August (83.2°F).
The coldest months (with the lowest average sea temperature) are January and February (60.7°F).
Average daylight in June /
Average sunshine in June
Jacksonville Beach, FL
- Average daylight in June: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in June: 10h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in June
Jacksonville Beach, FL
- Average sunshine days in June: 6.6 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is August (4.2 days).
Average UV index in June
Jacksonville Beach, 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 December (UV index 4).
Average cloud cover in June
Jacksonville Beach, FL
- Average cloud cover in June: 28
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in June
Jacksonville Beach, 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).
