July weather forecast
Elmhurst, IL

Weather in July

July, the same as June, is a moderately hot summer month in Elmhurst, Illinois, with an average temperature fluctuating between 66.6°F (19.2°C) and 81.9°F (27.7°C).

Temperature

The warmest month is July, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 66.6°F (19.2°C).

Heat index

The average heat index in July is appraised at a tropical 87.4°F (30.8°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, differences in body mass, height, and shape, clothing), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Elmhurst, the average relative humidity in July is 76%.

Rainfall

In Elmhurst, Illinois, in July, it is raining for 17.3 days, with typically 2.87" (73mm) of accumulated precipitation. In Elmhurst, during the entire year, the rain falls for 149.4 days and collects up to 25.08" (637mm) of precipitation.

Snowfall

In Elmhurst, 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 5:20 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:11 pm CDT.

Sunshine

July and August, with an average of 10.1h of sunshine, are months with the most sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Elmhurst. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Elmhurst?

With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 66.6°F (19.2°C), July is the warmest month in Elmhurst, Illinois.

What is the temperature in July in Elmhurst?

In Elmhurst, in July, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 66.6°F (19.2°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 87.4°F (30.8°C).

What is the average humidity in July in Elmhurst?

In Elmhurst, Illinois, the average relative humidity in July is 76%.

How much does it rain in Elmhurst in July?

In July, in Elmhurst, Illinois, the rain falls for 17.3 days. Throughout July, 2.87" (73mm) of precipitation is accumulated.

When it does not snow in Elmhurst?

June through September are months without snowfall in Elmhurst.

What is the average length of the day in July in Elmhurst?

In July, the average day length is 14h and 52min.

When is the sunrise / sunset in July in Elmhurst?

On the first day of July, sunrise is at 5:20 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:11 pm CDT.

What are the months with the most sunshine in Elmhurst?

July and August, with an average of 10.1h of sunshine, are months with the most sunshine in Elmhurst.

How many hours of sunshine does Elmhurst have in July?

The average sunshine duration in July in Elmhurst, Illinois, is 10.1h.

What is the month with the highest UV index in Elmhurst?

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

What is the UV index reading in July in Elmhurst?

In July, the average daily maximum UV index in Elmhurst is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Elmhurst, IL

Average temperature in July - Elmhurst, IL
  • Average high temperature in July: 81.9°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in July: 66.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in July
Elmhurst, IL

Average pressure in July - Elmhurst, 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
Elmhurst, IL

Average wind speed in July - Elmhurst, IL
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in July
Elmhurst, IL

Average humidity in July - Elmhurst, 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
Elmhurst, IL

Average rainfall in July - Elmhurst, IL
  • Average rainfall in July: 2.87"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").

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Average rainfall days in July
Elmhurst, IL

Average rainfall days in July - Elmhurst, IL
  • Average rainfall days in July: 17.3 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in July
Elmhurst, IL

Average snowfall in July - Elmhurst, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Elmhurst, IL

Average snowfall days in July - Elmhurst, 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
Elmhurst, IL

Average daylight in July / Average sunshine in July - Elmhurst, IL
  • Average daylight in July: 14h and 52min

The month with the longest days is June (Average daylight: 15h and 11min).
The month with the shortest days is December (Average daylight: 9h and 11min).

  • Average sunshine in July: 10h and 6min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in July
Elmhurst, IL

Average sunshine days in July - Elmhurst, IL
  • Average sunshine days in July: 9.5 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index in July
Elmhurst, IL

Average UV index in July - Elmhurst, 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
Elmhurst, IL

Average cloud cover in July - Elmhurst, IL
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in July
Elmhurst, IL

Average visibility in July - Elmhurst, IL
  • Average visibility in July: 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).

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