August weather forecast
Port Royal, KY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Port Royal, Kentucky, with an average temperature fluctuating between 64.2°F (17.9°C) and 84.6°F (29.2°C).

Temperature

Transitioning into August, Port Royal records an average high-temperature of a still warm 84.6°F (29.2°C), almost identical to July's 85.3°F (29.6°C). Port Royal records an average low-temperature of 64.2°F (17.9°C) throughout the month of August.

Heat index

In August, the average heat index is calculated to be a hot 93.2°F (34°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The months with the lowest humidity are August through October, with an average relative humidity of 75%.

Rainfall

In Port Royal, in August, it is raining for 16.1 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Port Royal, Kentucky, there are 174.2 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

In Port Royal, snow does not fall in May through October.

Daylight

In August, the average length of the day in Port Royal is 13h and 37min.
On the first day of August in Port Royal, sunrise is at 6:42 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:11 pm EDT.

Sunshine

In Port Royal, the average sunshine in August is 9.9h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

How hot is August in Port Royal?

An average high-temperature, in August, in Port Royal, is 84.6°F (29.2°C) and the average low-temperature is 64.2°F (17.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is calculated to be 93.2°F (34°C).

What are the least humid months in Port Royal?

The months with the lowest humidity in Port Royal are August through October, with an average relative humidity of 75%.

What is the average humidity in August in Port Royal?

The average relative humidity in August in Port Royal, Kentucky, is 75%.

How many days does it rain in August in Port Royal?

In Port Royal, in August, it is raining for 16.1 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Port Royal?

In Port Royal, Kentucky, snow does not fall in May through October.

What is the average length of the day in August in Port Royal?

In August, the average day length in Port Royal, Kentucky, is 13h and 37min.

What time are sunrise and sunset in August in Port Royal?

In August, on the first day of the month, sunrise is at 6:42 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:11 pm EDT.

How many hours of sunshine does Port Royal have in August?

In August, the average sunshine duration in Port Royal, Kentucky, is 9.9h.

When is the highest UV index in Port Royal?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in August in Port Royal?

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

Average temperature in August
Port Royal, KY

Average temperature in August - Port Royal, KY
  • Average high temperature in August: 84.6°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in August
Port Royal, KY

Average pressure in August - Port Royal, KY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Port Royal, KY

Average wind speed in August - Port Royal, KY
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

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Average humidity in August
Port Royal, KY

Average humidity in August - Port Royal, KY
  • Average humidity in August: 75%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).

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Average rainfall in August
Port Royal, KY

Average rainfall in August - Port Royal, KY
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in August
Port Royal, KY

Average rainfall days in August - Port Royal, KY
  • Average rainfall days in August: 16.1 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.4 days).

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Average snowfall in August
Port Royal, KY

Average snowfall in August - Port Royal, KY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Port Royal, KY

Average snowfall days in August - Port Royal, KY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Port Royal, KY

Average daylight in August / Average sunshine in August - Port Royal, KY
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in August
Port Royal, KY

Average sunshine days in August - Port Royal, KY
  • Average sunshine days in August: 12.4 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in August
Port Royal, KY

Average UV index in August - Port Royal, KY
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Port Royal, KY

Average cloud cover in August - Port Royal, KY
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Port Royal, KY

Average visibility in August - Port Royal, KY
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).

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Port Royal, Kentucky, USA

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