August weather forecast
Hickory Hills, IL

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Weather in August

August, the last month of the summer in Hickory Hills, is another warm month, with an average temperature ranging between max 80.6°F (27°C) and min 65.3°F (18.5°C).

Temperature

The advent of August signifies a minor shift to an average high-temperature of a still moderately hot 80.6°F (27°C), aligning closely with July. During August, Hickory Hills's temperature falls to a steady low-temperature average of 65.3°F (18.5°C).

Heat index

The heat index in August is computed to be 84.2°F (29°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The average relative humidity in August is 76%.

Rainfall

In Hickory Hills, Illinois, in August, during 17.4 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. In Hickory Hills, Illinois, during the entire year, the rain falls for 166.8 days and collects up to 34.96" (888mm) of precipitation.

Snowfall

May through September are months without snowfall in Hickory Hills.

Daylight

The average length of the day in August in Hickory Hills is 13h and 48min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:08 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:25 pm CDT.

Sunshine

With an average of 10.3h of sunshine, August has the most sunshine of the year.

UV index

The months with the highest UV index in Hickory Hills are July and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Hickory Hills?

In Hickory Hills, in August, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 84.2°F (29°C).

What is the average humidity in August in Hickory Hills?

In Hickory Hills, Illinois, the average relative humidity in August is 76%.

How much does it rain in Hickory Hills in August?

In Hickory Hills, Illinois, during August, the rain falls for 17.4 days and regularly aggregates up to 3.46" (88mm) of precipitation.

When it does not snow in Hickory Hills?

May through September are months without snowfall in Hickory Hills, Illinois.

What is the average length of the day in August in Hickory Hills?

In Hickory Hills, Illinois, the average day length in August is 13h and 48min.

When is the sunrise / sunset in August in Hickory Hills?

On the first day of August in Hickory Hills, sunrise is at 5:46 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:25 pm CDT.

What month has the most sunshine in Hickory Hills?

August has the most sunshine of the year in Hickory Hills, with an average of 10.3h of sunshine.

How long on average sun shines in August in Hickory Hills?

The average sunshine duration in August in Hickory Hills, Illinois, is 10.3h.

When is the highest UV index in Hickory Hills?

July and August, with an average maximum UV index of 6, are months with the highest UV index in Hickory Hills, Illinois.

What is the UV index intensity in August in Hickory Hills?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Hickory Hills, IL

Average temperature in August - Hickory Hills, IL
  • Average high temperature in August: 80.6°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 (28.9°F).

  • Average low temperature in August: 65.3°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 (18.3°F).

Average pressure in August
Hickory Hills, IL

Average pressure in August - Hickory Hills, 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).

Average wind speed in August
Hickory Hills, IL

Average wind speed in August - Hickory Hills, 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).

Average humidity in August
Hickory Hills, IL

Average humidity in August - Hickory Hills, IL
  • Average humidity in August: 76%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Hickory Hills, IL

Average rainfall in August - Hickory Hills, IL
  • Average rainfall in August: 3.46"

The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").

Average rainfall days in August
Hickory Hills, IL

Average rainfall days in August - Hickory Hills, IL
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in August
Hickory Hills, IL

Average snowfall in August - Hickory Hills, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Hickory Hills, IL

Average snowfall days in August - Hickory Hills, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.3 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
Hickory Hills, IL

Average daylight in August / Average sunshine in August - Hickory Hills, 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: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Hickory Hills, IL

Average sunshine days in August - Hickory Hills, IL
  • Average sunshine days in August: 9.5 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).

Average UV index in August
Hickory Hills, IL

Average UV index in August - Hickory Hills, IL
  • Average UV index in August: 6

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

Average cloud cover in August
Hickory Hills, IL

Average cloud cover in August - Hickory Hills, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Hickory Hills, IL

Average visibility in August - Hickory Hills, 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).

Hickory Hills, Illinois, USA

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