August weather forecast
Schaumburg, IL

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Weather in August

August remains warm, and the high average temperature is marginally lower than July at 80.2°F (26.8°C). Rainfall hovers at the level of 2.76" (70mm), similar to the monsoon month of July. August carries the warmth of July but with a hint of anticipation for the approaching fall season. Though the month can still be quite humid, the nuances of the coming soothing autumn creeps subtly into the long summer nights. Outdoor activities remain prospicient as long as one is prepared for occasional rain showers in August.

Temperature

Schaumburg transitions into August recording an average high-temperature of a still warm 80.2°F (26.8°C), closely aligning with the preceding month's temperature. During the month of August, the nighttime temperature falls to an average of 64.2°F (17.9°C).

Humidity

In August, the average relative humidity is 76%.

Rainfall

In Schaumburg, in August, it is raining for 16.3 days, with typically 2.76" (70mm) of accumulated precipitation. In Schaumburg, during the entire year, the rain falls for 147.4 days and collects up to 24.69" (627mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Schaumburg, the average length of the day in August is 13h and 49min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:27 pm CDT.

Sunshine

In August, the average sunshine is 9.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What is the temperature in August?

The average high-temperature, in August, in Schaumburg, is 80.2°F (26.8°C), while the average low-temperature is 64.2°F (17.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in July is appraised at 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 76%.

How many days does it rain in August in Schaumburg?

In Schaumburg, during August, the rain falls for 16.3 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow?

In Schaumburg, snow does not fall in June through September.

How many hours of daylight does Schaumburg have in August?

The average day length in August is 13h and 49min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:27 pm CDT.

How many hours of sunshine does Schaumburg have in August?

The average sunshine duration in August in Schaumburg is 9.8h.

When is the highest UV index?

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

How high is the UV index in August?

In Schaumburg, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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
Schaumburg, IL

Average temperature in August - Schaumburg, IL
  • Average high temperature in August: 80.2°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 (27.9°F).

  • Average low temperature in August: 64.2°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 (16.5°F).

Average pressure in August
Schaumburg, IL

Average pressure in August - Schaumburg, 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
Schaumburg, IL

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

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in August
Schaumburg, IL

Average humidity in August - Schaumburg, IL
  • Average humidity in August: 76%

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

Average rainfall in August
Schaumburg, IL

Average rainfall in August - Schaumburg, IL
  • Average rainfall in August: 2.76"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").

Average rainfall days in August
Schaumburg, IL

Average rainfall days in August - Schaumburg, IL
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in August
Schaumburg, IL

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

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Schaumburg, IL

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

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Schaumburg, 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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in August
Schaumburg, IL

Average sunshine days in August - Schaumburg, IL
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (10.2 days).

Average UV index in August
Schaumburg, IL

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

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

Average cloud cover in August
Schaumburg, IL

Average cloud cover in August - Schaumburg, IL
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).

Average visibility in August
Schaumburg, IL

Average visibility in August - Schaumburg, 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).

Schaumburg, Illinois, USA

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