August weather forecast
Elmhurst, IL

Weather in August

August, the last month of the summer in Elmhurst, is another warm month, with an average temperature fluctuating between 80.2°F (26.8°C) and 65.7°F (18.7°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 80.2°F (26.8°C). The average low-temperature, is 65.7°F (18.7°C).

Humidity

In August, the average relative humidity is 74%.

Rainfall

In August, the rain falls for 16.6 days. Throughout August, 2.83" (72mm) of precipitation is accumulated. In Elmhurst, Illinois, 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

In August, the average length of the day in Elmhurst is 13h and 49min.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:27 pm CDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in August in Elmhurst?

In Elmhurst, Illinois, the average relative humidity in August is 74%.

How many days does it rain in August in Elmhurst?

In Elmhurst, during August, the rain falls for 16.6 days and regularly aggregates up to 2.83" (72mm) of precipitation.

When it does not snow in Elmhurst?

In Elmhurst, Illinois, snow does not fall in June through September.

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

In August, the average day length is 13h and 49min.

When is the sunrise / sunset in August in Elmhurst?

On the first day of August in Elmhurst, Illinois, sunrise is at 5:45 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:27 pm CDT.

What is the month with the most sunshine in Elmhurst?

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

How long on average sun shines in August in Elmhurst?

In August, the average sunshine duration is 10.1h.

When is the highest UV index in Elmhurst?

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

How high is the UV index in August in Elmhurst?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe 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 August
Elmhurst, IL

Average temperature in August - Elmhurst, IL
  • Average high temperature in August: 80.2°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 August: 65.7°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 August
Elmhurst, IL

Average pressure in August - Elmhurst, 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
Elmhurst, IL

Average wind speed in August - Elmhurst, IL
  • Average wind speed in August: 6.3mph

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 August
Elmhurst, IL

Average humidity in August - Elmhurst, IL
  • Average humidity in August: 74%

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
Elmhurst, IL

Average rainfall in August - Elmhurst, IL
  • Average rainfall in August: 2.83"

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 August
Elmhurst, IL

Average rainfall days in August - Elmhurst, IL
  • Average rainfall days in August: 16.6 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 August
Elmhurst, IL

Average snowfall in August - Elmhurst, IL
  • Average snowfall in August: 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 August
Elmhurst, IL

Average snowfall days in August - Elmhurst, 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
Elmhurst, IL

Average daylight in August / Average sunshine in August - Elmhurst, IL
  • Average daylight in August: 13h and 49min

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 August: 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 August
Elmhurst, IL

Average sunshine days in August - Elmhurst, IL
  • Average sunshine days in August: 11.3 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 August
Elmhurst, IL

Average UV index in August - Elmhurst, 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
Elmhurst, IL

Average cloud cover in August - Elmhurst, IL
  • Average cloud cover in August: 30

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 August
Elmhurst, IL

Average visibility in August - Elmhurst, IL
  • 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).

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