August weather forecast
LaSalle, IL

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Weather in August

August weather in LaSalle, Illinois showcases typical mid-summer features like lengthy days and a slightly cooler touch compared to July. Nevertheless, August's temperatures still hover on the warmer side, reminiscent of the summer's heat. As summer begins to wane, the days grow slightly shorter, returning to approximately 13.8 hours. As August concludes, September’s arrival signifies the beginning transition into fall.

Temperature

With the advent of August, LaSalle experiences an average high-temperature of a still warm 82.9°F (28.3°C), mirroring a close resemblance to the previous month. LaSalle documents a significant temperature variance in August, with the mean nighttime lows settling at a refreshing 61°F (16.1°C).

Daylight

In August, the average length of the day in LaSalle is 13h and 47min.
On the first day of the month, sunrise is at 5:52 am and sunset at 8:12 pm. On the last day of August, in LaSalle, sunrise is at 6:22 am and sunset at 7:30 pm CDT.
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Frequently asked questions

How hot does it get in LaSalle in August?

The high-temperature in LaSalle, Illinois, during August is 82.9°F (28.3°C) and the low-temperature is 61°F (16.1°C).

How many hours of daylight does LaSalle have in August?

The average day length in August in LaSalle, Illinois, is 13h and 47min.

When is the sunrise / sunset in August in LaSalle?

On the first day of August, sunrise is at 5:52 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm CDT.

Average temperature in August
LaSalle, IL

Average temperature in August - LaSalle, IL
  • Average high temperature in August: 83°F

The warmest month (with the highest average high temperature) is July (85°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in August: 61°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14°F).

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Average daylight in August
LaSalle, IL

Average daylight in August - LaSalle, 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).

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LaSalle, Illinois, USA

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