June weather forecast
Key Largo, FL

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A clear seascape and cloudy evening sky in Key Largo, Florida
A clear seascape and cloudy evening sky in Key Largo, Florida

Weather in June

June represents the mid-summer season in Key Largo, showing an upward trend from May in humidity and rainfall. Although lesser sunshine hours are available, the length of the day remains almost constant. Sudden tropical rain showers are often complemented by intermittent sunny spells, painting incredible rainbow scenes across the island city. The sea continues to remain warm, favouring a multitude of marine activities throughout June. The temperature peaks at 83.7°F (28.7°C) with the highest recorded rainfall of 3.31" (84mm) for the year.

Temperature

As May turns into June in Key Largo, the average high-temperatures rest at a still moderately hot 83.7°F (28.7°C), showing a minor variation from the prior month. During June, Key Largo's nights hold steady with an average temperature of 81.1°F (27.3°C), barely dropping from the daytime highs.

Heat index

June's mean heat index is estimated at a hot 91.4°F (33°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

February, June and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In Key Largo, Florida, in June, during 20.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Key Largo, during the entire year, the rain falls for 190.1 days and collects up to 27.05" (687mm) of precipitation.

Ocean temperature

In Key Largo, the average seawater temperature in June is 83.7°F (28.7°C).
Note: For swimming, diving, and various water activities, the temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as highly enjoyable and comfortable for extended durations without any discomfort.

Daylight

The month with the longest days in Key Largo is June, with an average of 13h and 42min of daylight.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:07 pm. On the last day of June, in Key Largo, sunrise is at 6:35 am and sunset at 8:15 pm EDT.

Sunshine

In June, the average sunshine in Key Largo is 10.5h.

UV index

The months with the highest UV index in Key Largo are April through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 7 during June morphs into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Stay aware! UV radiation is magnified when reflecting off sand and water.
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Frequently asked questions

How hot does it get in Key Largo in June?

The high-temperature, in June, in Key Largo, records 83.7°F (28.7°C), while the low-temperature is 81.1°F (27.3°C). In June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 91.4°F (33°C).

What are the most humid months in Key Largo?

February, June and December, with an average relative humidity of 76%, are most humid months in Key Largo.

What is the average humidity in June in Key Largo?

In Key Largo, Florida, the average relative humidity in June is 76%.

How many days does it rain in June in Key Largo?

In Key Largo, Florida, in June, during 20.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

What is the ocean temperature in June in Key Largo?

In June, the average ocean temperature in Key Largo is 83.7°F (28.7°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

When are the longest days in Key Largo?

June has the longest days of the year in Key Largo, Florida, with an average of 13h and 42min of daylight.

How many hours of daylight does Key Largo have in June?

In Key Largo, Florida, the average day length in June is 13h and 40min.

What time are sunrise and sunset in June in Key Largo?

In June, on the first day of the month, sunrise is at 6:31 am and sunset at 8:07 pm. On the last day of the month, in Key Largo, Florida, sunrise is at 6:35 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Key Largo have in June?

In June, the average sunshine duration is 10.5h.

When is the highest UV index in Key Largo?

April through October, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in June in Key Largo?

In Key Largo, the average daily maximum UV index in June is 7. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in June
Key Largo, FL

Average temperature in June - Key Largo, FL
  • Average high temperature in June: 83.7°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.7°F).

  • Average low temperature in June: 81.1°F

The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (66.9°F).

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Average pressure in June
Key Largo, FL

Average pressure in June - Key Largo, FL
  • Average pressure in June: 29.99"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).

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Average wind speed in June
Key Largo, FL

Average wind speed in June - Key Largo, FL
  • Average wind speed in June: 9.4mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

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Average humidity in June
Key Largo, FL

Average humidity in June - Key Largo, FL
  • Average humidity in June: 76%

The months with the highest relative humidity are February, June and December (76%).
The month with the lowest relative humidity is March (73%).

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Average rainfall in June
Key Largo, FL

Average rainfall in June - Key Largo, FL
  • Average rainfall in June: 3.31"

The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (0.59").

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Average rainfall days in June
Key Largo, FL

Average rainfall days in June - Key Largo, FL
  • Average rainfall days in June: 20.1 days

The month with the highest number of rainy days is September (22.9 days).
The month with the least rainy days is February (9.7 days).

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Average sea temperature in June
Key Largo, FL

Average sea temperature in June - Key Largo, FL
  • Average sea temperature in June: 83.6°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).

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Average daylight in June /
Average sunshine in June
Key Largo, FL

Average daylight in June / Average sunshine in June - Key Largo, FL
  • Average daylight in June: 13h and 4min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in June: 10h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in June
Key Largo, FL

Average sunshine days in June - Key Largo, FL
  • Average sunshine days in June: 8.1 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (5.2 days).

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Average UV index in June
Key Largo, FL

Average UV index in June - Key Largo, FL
  • Average UV index in June: 7

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).

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Average cloud cover in June
Key Largo, FL

Average cloud cover in June - Key Largo, FL
  • Average cloud cover in June: 32

The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 26).

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Average visibility in June
Key Largo, FL

Average visibility in June - Key Largo, 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).

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Key Largo, Florida, USA

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