June weather forecastKeystone, FL

Weather in June

The first month of the summer, June, is a hot month in Keystone, Florida, with an average temperature varying between 86.5°F (30.3°C) and 78.3°F (25.7°C).

Temperature

Stepping into June, Keystone records an average high-temperature of a tropical 86.5°F (30.3°C), almost consistent with May. Keystone's nocturnal average in June closely mirrors its daytime temperatures, settling at a moderately hot 78.3°F (25.7°C).

Heat index

For most parts of June, the heat index is appraised at a fiery hot 98.6°F (37°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and 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 particularly relevant to 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.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in June is 74%.

Rainfall

In Keystone, in June, during 13.4 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Keystone, during the entire year, the rain falls for 120.5 days and collects up to 9.45" (240mm) of precipitation.

Daylight

With an average of 13h and 54min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 6:33 am and sunset at 8:23 pm. On the last day of June, sunrise is at 6:37 am and sunset at 8:31 pm EDT.

Sunshine

In Keystone, the average sunshine in June is 11h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 7 during June translates into the following directions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.