August weather forecast
Lake Barrington, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Lake Barrington, Illinois, with an average temperature varying between 79.3°F (26.3°C) and 63.5°F (17.5°C).

Temperature

The advent of August observes an average high-temperature of a still moderately hot 79.3°F (26.3°C), nearly identical to July's 80.6°F (27°C). In Lake Barrington, August nights witness a steady temperature drop to a refreshing 63.5°F (17.5°C).

Humidity

In Lake Barrington, Illinois, the average relative humidity in August is 78%.

Rainfall

In August, the rain falls for 16.9 days. Throughout August, 3.11" (79mm) of precipitation is accumulated. In Lake Barrington, during the entire year, the rain falls for 163.1 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

In Lake Barrington, Illinois, snow does not fall in June through September.

Daylight

In August, the average length of the day in Lake Barrington is 13h and 50min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:27 pm CDT.

Sunshine

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

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during August translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What is the usual temperature for Lake Barrington in August?

In Lake Barrington, 79.3°F (26.3°C) is the average high-temperature and 63.5°F (17.5°C) is the average low-temperature during August. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is appraised at 86°F (30°C).

What is the average humidity in August in Lake Barrington?

In Lake Barrington, Illinois, the average relative humidity in August is 78%.

How much does it rain in Lake Barrington in August?

In Lake Barrington, during August, the rain falls for 16.9 days and regularly aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Lake Barrington?

In Lake Barrington, snow does not fall in June through September.

What is the average length of the day in August in Lake Barrington?

The average day length in August in Lake Barrington, Illinois, is 13h and 50min.

When are sunrise and sunset in August in Lake Barrington?

On the first day of August in Lake Barrington, Illinois, sunrise is at 5:46 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:27 pm CDT.

What is the month with the most sunshine in Lake Barrington?

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

How long on average sun shines in August in Lake Barrington?

In August, the average sunshine duration is 10.1h.

What is the month with the highest UV index in Lake Barrington?

July and August, with an average maximum UV index of 6, are months with the highest UV index in Lake Barrington.

How high is the UV index in August in Lake Barrington?

In Lake Barrington, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high 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
Lake Barrington, IL

Average temperature in August - Lake Barrington, IL
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in August: 63.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

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Average pressure in August
Lake Barrington, IL

Average pressure in August - Lake Barrington, 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).

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Average wind speed in August
Lake Barrington, IL

Average wind speed in August - Lake Barrington, 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).

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Average humidity in August
Lake Barrington, IL

Average humidity in August - Lake Barrington, IL
  • Average humidity in August: 78%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Lake Barrington, IL

Average rainfall in August - Lake Barrington, IL
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").

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Average rainfall days in August
Lake Barrington, IL

Average rainfall days in August - Lake Barrington, IL
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in August
Lake Barrington, IL

Average snowfall in August - Lake Barrington, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Lake Barrington, IL

Average snowfall days in August - Lake Barrington, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Lake Barrington, IL

Average daylight in August / Average sunshine in August - Lake Barrington, 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 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).

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Average sunshine days in August
Lake Barrington, IL

Average sunshine days in August - Lake Barrington, IL
  • Average sunshine days in August: 11.2 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).

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Average UV index in August
Lake Barrington, IL

Average UV index in August - Lake Barrington, IL
  • Average UV index in August: 6

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

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Average cloud cover in August
Lake Barrington, IL

Average cloud cover in August - Lake Barrington, IL
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

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Average visibility in August
Lake Barrington, IL

Average visibility in August - Lake Barrington, 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).

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Lake Barrington, Illinois, USA

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