August weather forecast
Oakbrook, KY

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Weather in August

The last month of the summer, August, is another warm month in Oakbrook, Kentucky, with an average temperature ranging between min 64.6°F (18.1°C) and max 83.8°F (28.8°C).

Temperature

As Oakbrook, Kentucky, transitions from July to August, the average high-temperatures adjust to a still moderately hot 83.8°F (28.8°C), nearly the same as the previous 84.6°F (29.2°C). Oakbrook observes an average low-temperature of 64.6°F (18.1°C) during August.

Heat index

August's mean heat index is calculated to be a hot 91.4°F (33°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The months with the lowest humidity are August through October, with an average relative humidity of 74%.

Rainfall

In August, the rain falls for 13.6 days. Throughout August, 1.57" (40mm) of precipitation is accumulated. In Oakbrook, during the entire year, the rain falls for 146.4 days and collects up to 23.58" (599mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 38min.
On the first day of the month, sunrise is at 6:40 am and sunset at 8:49 pm. On the last day of August, sunrise is at 7:07 am and sunset at 8:10 pm EDT.

Sunshine

The average sunshine in August is 10.1h.

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 health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 in August translates into these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

An average high-temperature, in August, in Oakbrook, is 83.8°F (28.8°C) and the average low-temperature is 64.6°F (18.1°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 91.4°F (33°C).

What is the least humid month?

August through October, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in August?

In August, the average relative humidity is 74%.

How much does it rain in August?

In Oakbrook, during August, the rain falls for 13.6 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When it does not snow?

In Oakbrook, snow does not fall in May through September.

How many hours of daylight does Oakbrook have in August?

In Oakbrook, the average day length in August is 13h and 38min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:40 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:10 pm EDT.

How long on average sun shines in August?

In Oakbrook, the average sunshine duration in August is 10.1h.

When is the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from 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
Oakbrook, KY

Average temperature in August - Oakbrook, KY
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in August: 64.6°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in August
Oakbrook, KY

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

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Oakbrook, KY

Average wind speed in August - Oakbrook, KY
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in August
Oakbrook, KY

Average humidity in August - Oakbrook, KY
  • Average humidity in August: 74%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in August
Oakbrook, KY

Average rainfall in August - Oakbrook, KY
  • Average rainfall in August: 1.57"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in August
Oakbrook, KY

Average rainfall days in August - Oakbrook, KY
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in August
Oakbrook, KY

Average snowfall in August - Oakbrook, 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 and September (0").

Average snowfall days in August
Oakbrook, KY

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

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Oakbrook, KY

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Oakbrook, KY

Average sunshine days in August - Oakbrook, KY
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and June (12 days).

Average UV index in August
Oakbrook, KY

Average UV index in August - Oakbrook, 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).

Average cloud cover in August
Oakbrook, KY

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

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in August
Oakbrook, KY

Average visibility in August - Oakbrook, KY
  • Average visibility in August: 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).

Oakbrook, Kentucky, USA

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