August weather forecast and climate
Keystone, FL

Weather in August

The last month of the summer, August, is another hot month in Keystone, Florida, with average temperature ranging between max 88.3°F (31.3°C) and min 80.2°F (26.8°C).

Temperature

The warmest month is August, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 80.2°F (26.8°C).

Heat index

The average heat index is evaluated at a sweltering 103.5°F (39.7°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 what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like clothing, differences in body mass, height, and shape, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In August, the average relative humidity is 74%.

Rainfall

In Keystone, during August, the rain falls for 17.9 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, in Keystone, Florida, there are 120.5 rainfall days, and 9.45" (240mm) of precipitation is accumulated.

Daylight

In August, the average length of the day is 13.1h.

Sunshine

The average sunshine in Keystone is 9.8h.

UV index

Months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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.
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FAQ

What is the warmest month in Keystone?

The warmest month in Keystone is August, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 80.2°F (26.8°C).

What is the temperature in August in Keystone?

In August, the average high-temperature is 88.3°F (31.3°C), and the average low-temperature is 80.2°F (26.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, in August is calculated to 103.5°F (39.7°C).

What is the average humidity in August in Keystone?

The average relative humidity in August in Keystone is 74%.

How many days does it rain in August in Keystone?

In August, in Keystone, the rain falls for 17.9 days. Throughout August, 1.65" (42mm) of precipitation is accumulated.

What is the average length of the day in August in Keystone?

In Keystone, the average length of the day in August is 13.1h.

How long on average sun shines in August in Keystone?

In Keystone, the average sunshine in August is 9.8h.

When is the highest UV index in Keystone?

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

What is the UV index intensity in August in Keystone?

In Keystone, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.

Average temperature in August
Keystone, FL

Average temperature in August - Keystone, FL
  • Average high temperature in August: 88.3°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 August: 80.2°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).

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Average pressure in August
Keystone, FL

Average pressure in August - Keystone, FL
  • Average pressure in August: 29.98"

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

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Average wind speed in August
Keystone, FL

Average wind speed in August - Keystone, FL
  • Average wind speed in August: 7mph

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).

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Average humidity in August
Keystone, FL

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

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

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Average rainfall in August
Keystone, FL

Average rainfall in August - Keystone, FL
  • Average rainfall in August: 1.65"

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

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Average rainfall days in August
Keystone, FL

Average rainfall days in August - Keystone, FL
  • Average rainfall days in August: 17.9 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).

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

Average daylight in August / Average sunshine in August - Keystone, FL
  • Average daylight in August: 13.1h

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in August: 9.8h

The month with the most sunshine is May (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 6.5h).

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Average sunshine days in August
Keystone, FL

Average sunshine days in August - Keystone, FL
  • Average sunshine days in August: 8 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).

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Average UV index in August
Keystone, FL

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

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).

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Average cloud cover in August
Keystone, FL

Average cloud cover in August - Keystone, FL
  • Average cloud cover in August: 27

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).

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Average visibility in August
Keystone, FL

Average visibility in August - Keystone, FL
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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