August weather forecast
Hennepin, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Hennepin, Illinois, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 61.9°F (16.6°C).

Temperature

August's onset brings an average high-temperature of a still warm 79.7°F (26.5°C), showing a minute difference from July's 80.8°F (27.1°C). In the month of August, the average temperature dips to an enjoyable 61.9°F (16.6°C) during the night.

Humidity

In August, the average relative humidity in Hennepin, Illinois, is 83%.

Rainfall

In Hennepin, Illinois, in August, it is raining for 13.9 days, with typically 2.2" (56mm) of accumulated precipitation. In Hennepin, during the entire year, the rain falls for 152.7 days and collects up to 30.79" (782mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Hennepin, the average length of the day in August is 13h and 47min.
On the first day of August, sunrise is at 5:53 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:31 pm CDT.

Sunshine

The months with the most sunshine in Hennepin are June through August, with an average of 9.8h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Hennepin. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the temperature in August in Hennepin?

The high-temperature, in August, in Hennepin, records 79.7°F (26.5°C), while the low-temperature is 61.9°F (16.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 86°F (30°C).

What is the average humidity in August in Hennepin?

In August, the average relative humidity in Hennepin is 83%.

How many days does it rain in August in Hennepin?

In Hennepin, in August, during 13.9 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow in Hennepin?

In Hennepin, Illinois, snow does not fall in May through September.

How many hours of daylight does Hennepin have in August?

In Hennepin, the average day length in August is 13h and 47min.

What time are sunrise and sunset in August in Hennepin?

In August, on the first day of the month, sunrise is at 5:53 am and sunset at 8:13 pm. On the last day of the month, in Hennepin, Illinois, sunrise is at 6:23 am and sunset at 7:31 pm CDT.

What is the month with the most sunshine in Hennepin?

June through August, with an average of 9.8h of sunshine, are months with the most sunshine in Hennepin.

How long on average sun shines in August in Hennepin?

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

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

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

How high is the UV index in August in Hennepin?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's 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
Hennepin, IL

Average temperature in August - Hennepin, IL
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in August: 61.9°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in August
Hennepin, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Hennepin, IL

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

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in August
Hennepin, IL

Average humidity in August - Hennepin, IL
  • Average humidity in August: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Hennepin, IL

Average rainfall in August - Hennepin, IL
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").

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Average rainfall days in August
Hennepin, IL

Average rainfall days in August - Hennepin, IL
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in August
Hennepin, IL

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

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Hennepin, IL

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

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in August /
Average sunshine in August
Hennepin, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in August
Hennepin, IL

Average sunshine days in August - Hennepin, IL
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).

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Average UV index in August
Hennepin, IL

Average UV index in August - Hennepin, 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
Hennepin, IL

Average cloud cover in August - Hennepin, IL
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

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Average visibility in August
Hennepin, IL

Average visibility in August - Hennepin, IL
  • Average visibility in August: 5mi

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

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Hennepin, Illinois, USA

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