June weather forecast
Cudjoe Key, FL

The first month of the summer, June, is still a warm month in Cudjoe Key, Florida, with temperature in the range of an average low of 81.5°F (27.5°C) and an average high of 83.3°F (28.5°C).

Temperature

In Cudjoe Key, the average high-temperature in June is relatively the same as in May - a still warm 83.3°F (28.5°C). In Cudjoe Key, in June, the average low-temperature is 81.5°F (27.5°C).

Heat index

The average heat index in June is estimated at a tropical 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, clothing, wind). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In June, the average relative humidity in Cudjoe Key is 77%.

Rainfall

In Cudjoe Key, Florida, it is raining for 17.4 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 171.1 rainfall days, and 21.54" (547mm) of precipitation is accumulated.

Ocean temperature

In Cudjoe Key, Florida, the average water temperature is 83.7°F (28.7°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

June has the longest days of the year in Cudjoe Key, with an average of 13h and 38min of daylight.
On the first day of the month, sunrise is at 6:36 am and sunset at 8:10 pm. On the last day of June, in Cudjoe Key, sunrise is at 6:40 am and sunset at 8:19 pm EDT.

Sunshine

In Cudjoe Key, the average sunshine in June is 10.6h.

UV index

The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 7 in June transform into the following instructions:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.