August weather forecast
West Brooklyn, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in West Brooklyn, Illinois, with an average temperature fluctuating between 78.6°F (25.9°C) and 61.7°F (16.5°C).

Temperature

West Brooklyn experiences an average high-temperature of a still warm 78.6°F (25.9°C) with the onset of August, subtly varied from July's 80.2°F (26.8°C). In the month of August, the nighttime temperature dips to a steady average of 61.7°F (16.5°C).

Humidity

In August, the average relative humidity is 84%.

Rainfall

In West Brooklyn, Illinois, in August, it is raining for 13 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 129.4 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

In West Brooklyn, snow does not fall in May through September.

Daylight

The average length of the day in August is 13h and 48min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:31 pm CDT.

Sunshine

The average sunshine in August is 9.6h.

UV index

In West Brooklyn, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In August, an average UV index of 5 transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

The average high-temperature and low-temperature during August are 78.6°F (25.9°C) and 61.7°F (16.5°C) respectively.

What is the average humidity in August?

The average relative humidity in August is 84%.

How much does it rain in August?

In West Brooklyn, in August, it is raining for 13 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does West Brooklyn have in August?

In West Brooklyn, the average day length in August is 13h and 48min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:51 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:31 pm CDT.

How many hours of sunshine does West Brooklyn have in August?

In West Brooklyn, the average sunshine duration in August is 9.6h.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
West Brooklyn, IL

Average temperature in August - West Brooklyn, IL
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in August
West Brooklyn, IL

Average pressure in August - West Brooklyn, IL
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
West Brooklyn, IL

Average wind speed in August - West Brooklyn, IL
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in August
West Brooklyn, IL

Average humidity in August - West Brooklyn, IL
  • Average humidity in August: 84%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
West Brooklyn, IL

Average rainfall in August - West Brooklyn, IL
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in August
West Brooklyn, IL

Average rainfall days in August - West Brooklyn, IL
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in August
West Brooklyn, IL

Average snowfall in August - West Brooklyn, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
West Brooklyn, IL

Average snowfall days in August - West Brooklyn, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.4 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
West Brooklyn, IL

Average daylight in August / Average sunshine in August - West Brooklyn, 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 4min

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
West Brooklyn, IL

Average sunshine days in August - West Brooklyn, IL
  • Average sunshine days in August: 15.7 days

The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in August
West Brooklyn, IL

Average UV index in August - West Brooklyn, IL
  • Average UV index in August: 5

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

Average cloud cover in August
West Brooklyn, IL

Average cloud cover in August - West Brooklyn, IL
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in August
West Brooklyn, IL

Average visibility in August - West Brooklyn, IL
  • Average visibility in August: 5mi

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

West Brooklyn, Illinois, USA

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