August weather forecast
Orland Hills, IL

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Weather in August

August, the last month of the summer in Orland Hills, is another warm month, with an average temperature varying between 80.2°F (26.8°C) and 64.6°F (18.1°C).

Temperature

August's commencement is accompanied by an average high-temperature of a still moderately hot 80.2°F (26.8°C), diverging marginally from July's 82°F (27.8°C). Orland Hills witnesses a consistent average low-temperature of 64.6°F (18.1°C) throughout August.

Humidity

The average relative humidity in August is 78%.

Rainfall

In Orland Hills, Illinois, in August, it is raining for 15.9 days, with typically 2.6" (66mm) of accumulated precipitation. In Orland Hills, during the entire year, the rain falls for 146.9 days and collects up to 23.11" (587mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 48min.
On the first day of August in Orland Hills, sunrise is at 5:46 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:25 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.1h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant 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 Orland Hills in August?

August temperatures in Orland Hills vary between a high-temperature of 80.2°F (26.8°C) and a low-temperature of 64.6°F (18.1°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is estimated at 87.8°F (31°C).

What is the average humidity in August in Orland Hills?

The average relative humidity in August in Orland Hills is 78%.

How much does it rain in Orland Hills in August?

In August, in Orland Hills, the rain falls for 15.9 days. Throughout August, 2.6" (66mm) of precipitation is accumulated.

When it does not snow in Orland Hills?

May through September are months without snowfall in Orland Hills.

How many hours of daylight does Orland Hills have in August?

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

What time are sunrise and sunset in August in Orland Hills?

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 Orland Hills, sunrise is at 6:17 am and sunset at 7:25 pm CDT.

What is the month with the most sunshine in Orland Hills?

The months with the most sunshine in Orland Hills are July and August, with an average of 10.1h of sunshine.

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

In August, the average sunshine duration in Orland Hills is 10.1h.

What are the months with the highest UV index in Orland Hills?

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

What is the UV index reading in August in Orland Hills?

In Orland Hills, Illinois, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Orland Hills, IL

Average temperature in August - Orland Hills, IL
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in August: 64.6°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in August
Orland Hills, IL

Average pressure in August - Orland 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
Orland Hills, IL

Average wind speed in August - Orland Hills, IL
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in August
Orland Hills, IL

Average humidity in August - Orland Hills, IL
  • Average humidity in August: 78%

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

Average rainfall in August
Orland Hills, IL

Average rainfall in August - Orland Hills, IL
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is December (1.06").

Average rainfall days in August
Orland Hills, IL

Average rainfall days in August - Orland Hills, IL
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in August
Orland Hills, IL

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

The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Orland Hills, IL

Average snowfall days in August - Orland Hills, 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
Orland Hills, IL

Average daylight in August / Average sunshine in August - Orland Hills, 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: 10h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Orland Hills, IL

Average sunshine days in August - Orland Hills, IL
  • Average sunshine days in August: 10.3 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in August
Orland Hills, IL

Average UV index in August - Orland Hills, 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
Orland Hills, IL

Average cloud cover in August - Orland Hills, IL
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in August
Orland Hills, IL

Average visibility in August - Orland Hills, 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).

Orland Hills, Illinois, USA

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