June weather forecast
Longboat Key, FL

June, the first month of the summer in Longboat Key, is a hot month, with an average temperature varying between 87.3°F (30.7°C) and 77.5°F (25.3°C).

Temperature

The introduction of June sees an average high-temperature of a hot 87.3°F (30.7°C), hardly deviating from May. Longboat Key's nighttime temperature in June falls to an average of 77.5°F (25.3°C).

Heat index

The heat index in June is estimated at a very hot 100.4°F (38°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in June is 75%.

Rainfall

In Longboat Key, during June, the rain falls for 22.2 days and regularly aggregates up to 5.55" (141mm) of precipitation. Throughout the year, in Longboat Key, there are 183.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Ocean temperature

In June, the average ocean temperature in Longboat Key is 82.4°F (28°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

With an average of 13h and 48min of daylight, June has the longest days of the year in Longboat Key.
On the first day of the month, sunrise is at 6:35 am and sunset at 8:21 pm. On the last day of June, in Longboat Key, sunrise is at 6:39 am and sunset at 8:29 pm EDT.

Sunshine

In June, the average sunshine in Longboat Key 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 reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 7 in June leads to these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! Sand and water reflections can notably increase the UV radiation intensity.