August weather forecast
Palos Heights, IL

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Weather in August

The last month of the summer, August, is another warm month in Palos Heights, Illinois, with an average temperature ranging between min 65.8°F (18.8°C) and max 79.9°F (26.6°C).

Temperature

The commencement of August notes an average high-temperature of a still moderately hot 79.9°F (26.6°C), exhibiting little difference from the previous month. Throughout August, Palos Heights witnesses a nighttime temperature average of 65.8°F (18.8°C).

Humidity

In Palos Heights, the average relative humidity in August is 76%.

Rainfall

In Palos Heights, in August, during 16.3 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 147.7 rainfall days, and 23.62" (600mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Palos Heights.

Daylight

In Palos Heights, the average length of the day in August 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

The month with the most sunshine in Palos Heights is August, with an average of 10.5h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In August, a regular UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Palos Heights in August?

In Palos Heights, in August, the average high-temperature is 79.9°F (26.6°C), and the average low-temperature is 65.8°F (18.8°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in August in Palos Heights?

In Palos Heights, the average relative humidity in August is 76%.

How much does it rain in Palos Heights in August?

In Palos Heights, in August, it is raining for 16.3 days, with typically 2.72" (69mm) of accumulated precipitation.

When it does not snow in Palos Heights?

May through September are months without snowfall in Palos Heights.

What is the average length of the day in August in Palos Heights?

The average day length in August in Palos Heights, Illinois, is 13h and 48min.

What time are sunrise and sunset in August in Palos Heights?

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

What month has the most sunshine in Palos Heights?

August has the most sunshine of the year in Palos Heights, Illinois, with an average of 10.5h of sunshine.

How long on average sun shines in August in Palos Heights?

In August, the average sunshine duration in Palos Heights, Illinois, is 10.5h.

When is the highest UV index in Palos Heights?

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

How high is the UV index in August in Palos Heights?

The average daily maximum UV index in August in Palos Heights is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Palos Heights, IL

Average temperature in August - Palos Heights, IL
  • Average high temperature in August: 79.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in August: 65.8°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 (18.9°F).

Average pressure in August
Palos Heights, IL

Average pressure in August - Palos 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).

Average wind speed in August
Palos Heights, IL

Average wind speed in August - Palos Heights, IL
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in August
Palos Heights, IL

Average humidity in August - Palos Heights, 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
Palos Heights, IL

Average rainfall in August - Palos Heights, IL
  • Average rainfall in August: 2.72"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").

Average rainfall days in August
Palos Heights, IL

Average rainfall days in August - Palos Heights, IL
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in August
Palos Heights, IL

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

The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Palos Heights, IL

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

The month with the highest number of snowfall days is January (11.8 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
Palos Heights, IL

Average daylight in August / Average sunshine in August - Palos Heights, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Palos Heights, IL

Average sunshine days in August - Palos Heights, IL
  • Average sunshine days in August: 10 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in August
Palos Heights, IL

Average UV index in August - Palos Heights, 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 December (UV index 1).

Average cloud cover in August
Palos Heights, IL

Average cloud cover in August - Palos Heights, IL
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in August
Palos Heights, IL

Average visibility in August - Palos Heights, 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).

Palos Heights, Illinois, USA

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