August weather forecast
South Chicago Heights, IL

Share

Weather in August

The last month of the summer, August, is also a moderately hot month in South Chicago Heights, Illinois, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 80.4°F (26.9°C).

Temperature

The advent of August presents an average high-temperature of a still warm 80.4°F (26.9°C), maintaining a close correlation with the preceding month. Throughout the month of August, South Chicago Heights sees a steady low-temperature average of 64°F (17.8°C).

Humidity

The average relative humidity in August in South Chicago Heights is 79%.

Rainfall

In South Chicago Heights, Illinois, in August, it is raining for 17.6 days, with typically 3.31" (84mm) of accumulated precipitation. In South Chicago Heights, during the entire year, the rain falls for 167.4 days and collects up to 35" (889mm) of precipitation.

Snowfall

In South Chicago Heights, snow does not fall in May through September.

Daylight

In August, the average length of the day in South Chicago Heights, Illinois, is 13h and 47min.
On the first day of August in South Chicago Heights, sunrise is at 5:46 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:24 pm CDT.

Sunshine

August has the most sunshine of the year in South Chicago Heights, with an average of 9.8h of sunshine.

UV index

In South Chicago Heights, Illinois, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 5 suggests this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
[Resources]

Frequently asked questions

What is the usual temperature for South Chicago Heights in August?

The average high-temperature and low-temperature during August are 80.4°F (26.9°C) and 64°F (17.8°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in August in South Chicago Heights?

The average relative humidity in August in South Chicago Heights is 79%.

How many days does it rain in August in South Chicago Heights?

In South Chicago Heights, Illinois, during August, the rain falls for 17.6 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When it does not snow in South Chicago Heights?

May through September are months without snowfall in South Chicago Heights.

How many hours of daylight does South Chicago Heights have in August?

In South Chicago Heights, Illinois, the average day length in August is 13h and 47min.

When is the sunrise / sunset in August in South Chicago Heights?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:24 pm CDT.

What month has the most sunshine in South Chicago Heights?

The month with the most sunshine in South Chicago Heights, Illinois, is August, with an average of 9.8h of sunshine.

How many hours of sunshine does South Chicago Heights have in August?

In August, the average sunshine duration in South Chicago Heights is 9.8h.

What is the UV index reading in August in South Chicago Heights?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
South Chicago Heights, IL

Average temperature in August - South Chicago Heights, IL
  • Average high temperature in August: 80.4°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 64°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 (18.9°F).

[Resources]

Average pressure in August
South Chicago Heights, IL

Average pressure in August - South Chicago Heights, 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).

[Resources]

Average wind speed in August
South Chicago Heights, IL

Average wind speed in August - South Chicago Heights, IL
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

[Resources]

Average humidity in August
South Chicago Heights, IL

Average humidity in August - South Chicago Heights, IL
  • Average humidity in August: 79%

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

[Resources]

Average rainfall in August
South Chicago Heights, IL

Average rainfall in August - South Chicago Heights, IL
  • Average rainfall in August: 3.31"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (1.81").

[Resources]

Average rainfall days in August
South Chicago Heights, IL

Average rainfall days in August - South Chicago Heights, IL
  • Average rainfall days in August: 17.6 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (6.2 days).

[Resources]

Average snowfall in August
South Chicago Heights, IL

Average snowfall in August - South Chicago Heights, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.35").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in August
South Chicago Heights, IL

Average snowfall days in August - South Chicago Heights, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
South Chicago Heights, IL

Average daylight in August / Average sunshine in August - South Chicago Heights, 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 12min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in August
South Chicago Heights, IL

Average sunshine days in August - South Chicago Heights, IL
  • Average sunshine days in August: 9.3 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.8 days).

[Resources]

Average UV index in August
South Chicago Heights, IL

Average UV index in August - South Chicago Heights, IL
  • Average UV index in August: 5

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

[Resources]

Average cloud cover in August
South Chicago Heights, IL

Average cloud cover in August - South Chicago Heights, IL
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).

[Resources]

Average visibility in August
South Chicago Heights, IL

Average visibility in August - South Chicago Heights, IL
  • Average visibility in August: 6mi

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

[Resources]

South Chicago Heights, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location