August weather forecast
Itasca, IL

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Weather in August

The last month of the summer, August, is another warm month in Itasca, Illinois, with an average temperature fluctuating between 80.2°F (26.8°C) and 64.2°F (17.9°C).

Temperature

With the onset of August, Itasca's average high-temperature clocks in at a still moderately hot 80.2°F (26.8°C), showing a minor fluctuation from the previous month. In Itasca, the August nights cool down to an average low of 64.2°F (17.9°C).

Humidity

The average relative humidity in August is 76%.

Rainfall

In Itasca, in August, it is raining for 16.3 days, with typically 2.76" (70mm) of accumulated precipitation. In Itasca, during the entire year, the rain falls for 147.4 days and collects up to 24.69" (627mm) of precipitation.

Snowfall

In Itasca, snow does not fall in June through September.

Daylight

In August, the average length of the day is 13h and 49min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:26 pm CDT.

Sunshine

In August, the average sunshine is 9.8h.

UV index

The months with the highest UV index in Itasca are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What are August temperatures in Itasca?

During August, Itasca experiences an average high-temperature of 80.2°F (26.8°C) and a low-temperature of 64.2°F (17.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in July is calculated to be 87.8°F (31°C).

What is the average humidity in August in Itasca?

The average relative humidity in August is 76%.

How many days does it rain in August in Itasca?

In August, in Itasca, Illinois, the rain falls for 16.3 days. Throughout August, 2.76" (70mm) of precipitation is accumulated.

When it does not snow in Itasca?

June through September are months without snowfall in Itasca.

How many hours of daylight does Itasca have in August?

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

When is the sunrise / sunset in August in Itasca?

On the first day of August, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:26 pm CDT.

How long on average sun shines in August in Itasca?

In Itasca, the average sunshine duration in August is 9.8h.

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

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

How high is the UV index in August in Itasca?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Itasca, IL

Average temperature in August - Itasca, 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 (27.9°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in August
Itasca, IL

Average pressure in August - Itasca, 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
Itasca, IL

Average wind speed in August - Itasca, IL
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in August
Itasca, IL

Average humidity in August - Itasca, IL
  • Average humidity in August: 76%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in August
Itasca, IL

Average rainfall in August - Itasca, IL
  • Average rainfall in August: 2.76"

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
Itasca, IL

Average rainfall days in August - Itasca, IL
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in August
Itasca, IL

Average snowfall in August - Itasca, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Itasca, IL

Average snowfall days in August - Itasca, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.1 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
Itasca, IL

Average daylight in August / Average sunshine in August - Itasca, 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 month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in August
Itasca, IL

Average sunshine days in August - Itasca, IL
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (10.2 days).

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Average UV index in August
Itasca, IL

Average UV index in August - Itasca, 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
Itasca, IL

Average cloud cover in August - Itasca, IL
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).

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Average visibility in August
Itasca, IL

Average visibility in August - Itasca, 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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Itasca, Illinois, USA

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