August weather forecast
Bentley, IL

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Weather in August

August, the last month of the summer in Bentley, is another warm month, with an average temperature fluctuating between 63.9°F (17.7°C) and 82.2°F (27.9°C).

Temperature

August brings a marginal elevation to a still warm 82.2°F (27.9°C) from July's 82.9°F (28.3°C) in Bentley's average high-temperatures. Bentley's nighttime temperature in August drops to an average of 63.9°F (17.7°C).

Heat index

The heat index value during August is computed to be a hot 89.6°F (32°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in August is 79%.

Rainfall

In August, the rain falls for 12.2 days. Throughout August, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 128.2 rainfall days, and 20.08" (510mm) of precipitation is accumulated.

Snowfall

In Bentley, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:37 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

The months with the highest UV index in Bentley are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Bentley in August?

In Bentley, in August, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in August?

In Bentley, Illinois, the average relative humidity in August is 79%.

How much does it rain in August?

In Bentley, Illinois, during August, the rain falls for 12.2 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In Bentley, the average day length in August is 13h and 43min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:02 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:37 pm CDT.

How many hours of sunshine does Bentley have in August?

The average sunshine duration in August is 10h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

In Bentley, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Bentley, IL

Average temperature in August - Bentley, IL
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in August: 63.9°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 (19.2°F).

Average pressure in August
Bentley, IL

Average pressure in August - Bentley, IL
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Bentley, IL

Average wind speed in August - Bentley, IL
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in August
Bentley, IL

Average humidity in August - Bentley, IL
  • Average humidity in August: 79%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Bentley, IL

Average rainfall in August - Bentley, IL
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in August
Bentley, IL

Average rainfall days in August - Bentley, IL
  • Average rainfall days in August: 12.2 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in August
Bentley, IL

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

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Bentley, IL

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

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Bentley, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Bentley, IL

Average sunshine days in August - Bentley, IL
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in August
Bentley, IL

Average UV index in August - Bentley, IL
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August
Bentley, IL

Average cloud cover in August - Bentley, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in August
Bentley, IL

Average visibility in August - Bentley, 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).

Bentley, Illinois, USA

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