June weather forecast
Duck Key, FL

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Weather in June

The first month of the summer, June, is also a moderately hot month in Duck Key, Florida, with temperature in the range of an average low of 81.3°F (27.4°C) and an average high of 83.5°F (28.6°C).

Temperature

The average high-temperature is a still warm 83.5°F (28.6°C) in June, hardly different from the 80.4°F (26.9°C) recorded in May. Nighttime temperatures in Duck Key record an average of 81.3°F (27.4°C) throughout June.

Heat index

June's average heat index is appraised at a hot 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. 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 highly important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

The average relative humidity in June in Duck Key is 76%.

Rainfall

In June, the rain falls for 19.7 days. Throughout June, 3.11" (79mm) of precipitation is accumulated. In Duck Key, during the entire year, the rain falls for 186.2 days and collects up to 24.45" (621mm) of precipitation.

Ocean temperature

In June, the average ocean temperature is 83.5°F (28.6°C).
Note: Swimming, diving, and similar water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

June has the longest days of the year, with an average of 13h and 42min of daylight.
On the first day of June, sunrise is at 6:34 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 8:17 pm EDT.

Sunshine

In Duck Key, Florida, 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 estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 in June translates into these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Boost your sun resistance with garments that are densely woven yet spacious. Attention! The combination of sand and water reflections enhances UV ray intensity.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during June?

Duck Key in June has an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 81.3°F (27.4°C). In June, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 91.4°F (33°C).

What is the average humidity in June in Duck Key?

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

How much does it rain in June?

In June, the rain falls for 19.7 days. Throughout June, 3.11" (79mm) of precipitation is accumulated.

What is the water temperature in June?

In June, the average ocean temperature is 83.5°F (28.6°C). 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.

When are the longest days?

With an average of 13h and 42min of daylight, June has the longest days of the year.

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

In June, the average day length is 13h and 39min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 6:34 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 8:17 pm EDT.

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

In June, the average sunshine duration is 10.6h.

What is the month with the highest UV index?

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?

The average daily maximum UV index in June is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in June
Duck Key, FL

Average temperature in June - Duck Key, FL
  • Average high temperature in June: 83.5°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 (72.9°F).

  • Average low temperature in June: 81.3°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 (67.5°F).

Average pressure in June
Duck Key, FL

Average pressure in June - Duck Key, 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).

Average wind speed in June
Duck Key, FL

Average wind speed in June - Duck Key, FL
  • Average wind speed in June: 9.8mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).

Average humidity in June
Duck Key, FL

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

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).

Average rainfall in June
Duck Key, FL

Average rainfall in June - Duck Key, FL
  • Average rainfall in June: 3.11"

The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").

Average rainfall days in June
Duck Key, FL

Average rainfall days in June - Duck Key, FL
  • Average rainfall days in June: 19.7 days

The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).

Average sea temperature in June
Duck Key, FL

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

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest months (with the lowest average sea temperature) are January and February (73.9°F).

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

Average daylight in June / Average sunshine in June - Duck Key, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in June
Duck Key, FL

Average sunshine days in June - Duck Key, FL
  • Average sunshine days in June: 7.9 days

The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).

Average UV index in June
Duck Key, FL

Average UV index in June - Duck Key, 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).

Average cloud cover in June
Duck Key, FL

Average cloud cover in June - Duck Key, FL
  • Average cloud cover in June: 30

The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).

Average visibility in June
Duck Key, FL

Average visibility in June - Duck 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).

Duck Key, Florida, USA

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