June weather forecast
Keystone, FL

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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.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Keystone in June?

The high-temperature, in June, in Keystone, records 86.5°F (30.3°C), while the low-temperature is 78.3°F (25.7°C). In June, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 98.6°F (37°C).

What is the average humidity in June?

The average relative humidity in June is 74%.

How much does it rain in June?

In June, the rain falls for 13.4 days. Throughout June, 1.22" (31mm) of precipitation is accumulated.

When are the longest days?

The month with the longest days in Keystone is June, with an average of 13h and 54min of daylight.

How many hours of daylight does Keystone have in June?

In Keystone, the average day length in June is 13h and 54min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 6:33 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 8:31 pm EDT.

How many hours of sunshine does Keystone have in June?

The average sunshine duration in June is 11h.

When is the highest UV index?

The months with the highest UV index are May through September, with an average maximum UV index of 7.

How high is the UV index in June?

In June, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Keystone, FL

Average temperature in June - Keystone, FL
  • Average high temperature in June: 86.5°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (66°F).

  • Average low temperature in June: 78.3°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (54.5°F).

Average pressure in June
Keystone, FL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in June
Keystone, FL

Average wind speed in June - Keystone, FL
  • Average wind speed in June: 7.1mph

The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in June
Keystone, FL

Average humidity in June - Keystone, FL
  • Average humidity in June: 74%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is May (72%).

Average rainfall in June
Keystone, FL

Average rainfall in June - Keystone, FL
  • Average rainfall in June: 1.22"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is March (0.2").

Average rainfall days in June
Keystone, FL

Average rainfall days in June - Keystone, FL
  • Average rainfall days in June: 13.4 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (5.5 days).

Average daylight in June /
Average sunshine in June
Keystone, FL

Average daylight in June / Average sunshine in June - Keystone, FL
  • Average daylight in June: 13h and 5min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in June: 11h and 0min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in June
Keystone, FL

Average sunshine days in June - Keystone, FL
  • Average sunshine days in June: 11.2 days

The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is July (6.7 days).

Average UV index in June
Keystone, FL

Average UV index in June - Keystone, FL
  • Average UV index in June: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in June
Keystone, FL

Average cloud cover in June - Keystone, FL
  • Average cloud cover in June: 25

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in June
Keystone, FL

Average visibility in June - Keystone, 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).

Keystone, Florida, USA

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