June weather forecastLongboat Key, FL
June
Weather in June
June, the first month of the summer in Longboat Key, is a tropical month, with temperature in the range of an average low of 77.5°F (25.3°C) and an average high of 87.3°F (30.7°C).Temperature
June commences with an average high-temperature of a hot 87.3°F (30.7°C), showing little deviation from May's 84.2°F (29°C). Longboat Key observes an average nighttime temperature of 77.5°F (25.3°C) during June.Heat index
In June, the average heat index is evaluated at a sweltering 100.4°F (38°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.The standards for the heat index are set for locations in shade and under light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
In June, the average relative humidity is 75%.Rainfall
In Longboat Key, in June, during 22.2 rainfall days, 5.55" (141mm) of precipitation is typically accumulated. In Longboat Key, during the entire year, the rain falls for 183.1 days and collects up to 34.92" (887mm) of precipitation.Ocean temperature
In June, the average ocean temperature in Longboat Key is 82.4°F (28°C).Note: Water surface temperatures from 77°F (25°C) to 84.2°F (29°C) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.
Daylight
With an average of 13h and 48min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 6:35 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:29 pm EDT.
Sunshine
In Longboat Key, the average sunshine in June is 10.8h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 7 in June translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Longboat Key, FL
- Average high temperature in June: 87.3°F
The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in June: 77.5°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).
Average pressure in June
Longboat Key, FL
- Average pressure in June: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in June
Longboat Key, FL
- Average wind speed in June: 6.8mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in June
Longboat Key, FL
- Average humidity in June: 75%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are March, April and May (72%).
Average rainfall in June
Longboat Key, FL
- Average rainfall in June: 5.55"
The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in June
Longboat Key, FL
- Average rainfall days in June: 22.2 days
The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, February and November (8.3 days).
Average sea temperature in June
Longboat Key, FL
- Average sea temperature in June: 82.5°F
The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64.1°F).
Average daylight in June /
Average sunshine in June
Longboat Key, 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 24min).
- Average sunshine in June: 10h and 48min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in June
Longboat Key, FL
- Average sunshine days in June: 5.8 days
The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).
Average UV index in June
Longboat Key, 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 month with the lowest UV index is January (UV index 4).
Average cloud cover in June
Longboat Key, FL
- Average cloud cover in June: 27
The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 22).
Average visibility in June
Longboat Key, 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).





