August weather forecast
Oakbrook Terrace, IL

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Weather in August

The last month of the summer, August, is another warm month in Oakbrook Terrace, Illinois, with an average temperature ranging between max 81.1°F (27.3°C) and min 64.9°F (18.3°C).

Temperature

As August unfolds, the average high-temperature reaches a still warm 81.1°F (27.3°C), hinting at a slight fluctuation from the previous month. Oakbrook Terrace, during the month of August, experiences an average low-temperature of 64.9°F (18.3°C).

Heat index

The average heat index in August is calculated to be a hot 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In August, the average relative humidity in Oakbrook Terrace, Illinois, is 75%.

Rainfall

In Oakbrook Terrace, during August, the rain falls for 16.1 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 147.3 rainfall days, and 23.86" (606mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Oakbrook Terrace.

Daylight

In August, the average length of the day in Oakbrook Terrace is 13h and 49min.
On the first day of August, sunrise is at 5:46 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:26 pm CDT.

Sunshine

The months with the most sunshine in Oakbrook Terrace are July and August, with an average of 9.9h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 6 in August translates into these instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What are August temperatures in Oakbrook Terrace?

The average high-temperature, in August, in Oakbrook Terrace, is 81.1°F (27.3°C), while the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is calculated to be 86°F (30°C).

What is the average humidity in August in Oakbrook Terrace?

In August, the average relative humidity is 75%.

How many days does it rain in August in Oakbrook Terrace?

In Oakbrook Terrace, Illinois, during August, the rain falls for 16.1 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Oakbrook Terrace?

June through September are months without snowfall.

How many hours of daylight does Oakbrook Terrace have in August?

In Oakbrook Terrace, Illinois, the average day length in August is 13h and 49min.

What time are sunrise and sunset in August in Oakbrook Terrace?

On the first day of August, sunrise is at 5:46 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:26 pm CDT.

What is the month with the most sunshine in Oakbrook Terrace?

July and August, with an average of 9.9h of sunshine, are months with the most sunshine in Oakbrook Terrace.

How long on average sun shines in August in Oakbrook Terrace?

The average sunshine duration in August in Oakbrook Terrace is 9.9h.

What is the month with the highest UV index in Oakbrook Terrace?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Oakbrook Terrace, Illinois.

What is the UV index intensity in August in Oakbrook Terrace?

In Oakbrook Terrace, Illinois, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat 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 Terrace, IL

Average temperature in August - Oakbrook Terrace, IL
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in August: 64.9°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 (17.1°F).

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Average pressure in August
Oakbrook Terrace, IL

Average pressure in August - Oakbrook Terrace, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Oakbrook Terrace, IL

Average wind speed in August - Oakbrook Terrace, IL
  • Average wind speed in August: 6.1mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in August
Oakbrook Terrace, IL

Average humidity in August - Oakbrook Terrace, IL
  • Average humidity in August: 75%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Oakbrook Terrace, IL

Average rainfall in August - Oakbrook Terrace, IL
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.14").

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Average rainfall days in August
Oakbrook Terrace, IL

Average rainfall days in August - Oakbrook Terrace, IL
  • Average rainfall days in August: 16.1 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in August
Oakbrook Terrace, IL

Average snowfall in August - Oakbrook Terrace, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Oakbrook Terrace, IL

Average snowfall days in August - Oakbrook Terrace, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Oakbrook Terrace, IL

Average daylight in August / Average sunshine in August - Oakbrook Terrace, IL
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in August
Oakbrook Terrace, IL

Average sunshine days in August - Oakbrook Terrace, IL
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (10.2 days).

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Average UV index in August
Oakbrook Terrace, IL

Average UV index in August - Oakbrook Terrace, IL
  • 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 and December (UV index 1).

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Average cloud cover in August
Oakbrook Terrace, IL

Average cloud cover in August - Oakbrook Terrace, IL
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in August
Oakbrook Terrace, IL

Average visibility in August - Oakbrook Terrace, IL
  • Average visibility in August: 6mi

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

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Oakbrook Terrace, Illinois, USA

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