July weather forecast
Oakbrook Terrace, IL

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Weather in July

July, like June, in Oakbrook Terrace, Illinois, is a moderately hot summer month, with an average temperature ranging between max 82.2°F (27.9°C) and min 66.2°F (19°C).

Temperature

July stands out as Oakbrook Terrace's warmest month, with temperatures ranging between an average high of 82.2°F (27.9°C) and a low of 66.2°F (19°C).

Heat index

For most parts of July, the heat index is calculated to be a tropical 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in July in Oakbrook Terrace is 76%.

Rainfall

In July, in Oakbrook Terrace, the rain falls for 17.7 days. Throughout July, 2.76" (70mm) of precipitation is accumulated. Throughout the year, in Oakbrook Terrace, there are 147.3 rainfall days, and 23.86" (606mm) of precipitation is accumulated.

Snowfall

In Oakbrook Terrace, snow does not fall in June through September.

Daylight

The average length of the day in July is 14h and 52min.
On the first day of July, sunrise is at 5:21 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:10 pm CDT.

Sunshine

The months with the most sunshine 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 reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 6 in July transforms into this advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What are the warmest months in Oakbrook Terrace?

In Oakbrook Terrace, July is identified by the average highest temperatures, reaching a peak of 82.2°F (27.9°C) and a low of 66.2°F (19°C).

What is the usual temperature for Oakbrook Terrace in July?

July temperatures in Oakbrook Terrace vary between a high-temperature of 82.2°F (27.9°C) and a low-temperature of 66.2°F (19°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in July in Oakbrook Terrace?

The average relative humidity in July in Oakbrook Terrace, Illinois, is 76%.

How much does it rain in Oakbrook Terrace in July?

In Oakbrook Terrace, Illinois, during July, the rain falls for 17.7 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow in Oakbrook Terrace?

June through September are months without snowfall in Oakbrook Terrace, Illinois.

What is the average length of the day in July in Oakbrook Terrace?

In July, the average day length in Oakbrook Terrace, Illinois, is 14h and 52min.

When is the sunrise / sunset in July in Oakbrook Terrace?

On the first day of July, sunrise is at 5:21 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:10 pm CDT.

What are the months with the most sunshine in Oakbrook Terrace?

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

How many hours of sunshine does Oakbrook Terrace have in July?

In Oakbrook Terrace, Illinois, the average sunshine duration in July is 9.9h.

When is the highest UV index in Oakbrook Terrace?

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

How high is the UV index in July in Oakbrook Terrace?

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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 July
Oakbrook Terrace, IL

Average temperature in July - Oakbrook Terrace, IL
  • Average high temperature in July: 82.2°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 July: 66.2°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 July
Oakbrook Terrace, IL

Average pressure in July - Oakbrook Terrace, IL
  • Average pressure in July: 29.97"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 July
Oakbrook Terrace, IL

Average wind speed in July - Oakbrook Terrace, IL
  • Average wind speed in July: 6.3mph

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 July
Oakbrook Terrace, IL

Average humidity in July - Oakbrook Terrace, IL
  • Average humidity in July: 76%

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 July
Oakbrook Terrace, IL

Average rainfall in July - Oakbrook Terrace, IL
  • Average rainfall in July: 2.76"

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 July
Oakbrook Terrace, IL

Average rainfall days in July - Oakbrook Terrace, IL
  • Average rainfall days in July: 17.7 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 July
Oakbrook Terrace, IL

Average snowfall in July - Oakbrook Terrace, IL
  • Average snowfall in July: 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 July
Oakbrook Terrace, IL

Average snowfall days in July - Oakbrook Terrace, IL
  • Average snowfall days in July: 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 July /
Average sunshine in July
Oakbrook Terrace, IL

Average daylight in July / Average sunshine in July - Oakbrook Terrace, IL
  • Average daylight in July: 14h 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 July: 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 July
Oakbrook Terrace, IL

Average sunshine days in July - Oakbrook Terrace, IL
  • Average sunshine days in July: 10.2 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 July
Oakbrook Terrace, IL

Average UV index in July - Oakbrook Terrace, IL
  • Average UV index in July: 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 July
Oakbrook Terrace, IL

Average cloud cover in July - Oakbrook Terrace, IL
  • Average cloud cover in July: 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 July
Oakbrook Terrace, IL

Average visibility in July - Oakbrook Terrace, IL
  • Average visibility in July: 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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