August weather forecast
Crestwood, KY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Crestwood, Kentucky, with an average temperature fluctuating between 85.6°F (29.8°C) and 65.8°F (18.8°C).

Temperature

August notes an average high-temperature of a moderately hot 85.6°F (29.8°C), subtly differing from July's 86.5°F (30.3°C). During the month of August, an average low-temperature of 65.8°F (18.8°C) is recorded.

Heat index

August's mean heat index is calculated to be a torrid 95°F (35°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

With an average relative humidity of 73%, August is the least humid month in Crestwood.

Rainfall

In Crestwood, during August, the rain falls for 14.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 157.9 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 37min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:51 pm. On the last day of August, sunrise is at 7:11 am and sunset at 8:12 pm EDT.

Sunshine

In August, the average sunshine is 9.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

How hot does it get in Crestwood in August?

In Crestwood, in August, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 95°F (35°C).

What is the least humid month in Crestwood?

With an average relative humidity of 73%, August is the least humid month.

What is the average humidity in August in Crestwood?

In August, the average relative humidity in Crestwood is 73%.

How much does it rain in Crestwood in August?

In August, in Crestwood, the rain falls for 14.3 days. Throughout August, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Crestwood?

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

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

In Crestwood, the average day length in August is 13h and 37min.

What time are sunrise and sunset in August in Crestwood?

On the first day of August, sunrise is at 6:44 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 8:12 pm EDT.

How many hours of sunshine does Crestwood have in August?

The average sunshine duration in August in Crestwood is 9.8h.

When is the highest UV index in Crestwood?

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 Crestwood?

In Crestwood, Kentucky, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Crestwood, KY

Average temperature in August - Crestwood, KY
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in August
Crestwood, KY

Average pressure in August - Crestwood, KY
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Crestwood, KY

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

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Average humidity in August
Crestwood, KY

Average humidity in August - Crestwood, KY
  • Average humidity in August: 73%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (73%).

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Average rainfall in August
Crestwood, KY

Average rainfall in August - Crestwood, KY
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in August
Crestwood, KY

Average rainfall days in August - Crestwood, KY
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall in August
Crestwood, KY

Average snowfall in August - Crestwood, KY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Crestwood, KY

Average snowfall days in August - Crestwood, KY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.8 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
Crestwood, KY

Average daylight in August / Average sunshine in August - Crestwood, 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 June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

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Average sunshine days in August
Crestwood, KY

Average sunshine days in August - Crestwood, KY
  • Average sunshine days in August: 14.9 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in August
Crestwood, KY

Average UV index in August - Crestwood, 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
Crestwood, KY

Average cloud cover in August - Crestwood, KY
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
Crestwood, KY

Average visibility in August - Crestwood, KY
  • Average visibility in August: 6mi

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

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Crestwood, Kentucky, USA

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