July weather forecast and climate
LaSalle, IL

Weather in July

July, like June, in LaSalle, Illinois, is a moderately hot summer month, with average temperature fluctuating between 84.9°F (29.4°C) and 63°F (17.2°C).

Temperature

July is the warmest month, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 63°F (17.2°C).

Daylight

In LaSalle, Illinois, the average length of the day in July is 14.8h.
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FAQ

What is the warmest month in LaSalle?

July is the warmest month in LaSalle, Illinois, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 63°F (17.2°C).

What is the average length of the day in July in LaSalle?

In LaSalle, the average length of the day in July is 14.8h.

Average temperature in July
LaSalle, IL

Average temperature in July - LaSalle, IL
  • Average high temperature in July: 85°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 July: 63°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 July
LaSalle, IL

Average daylight in July - LaSalle, IL
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

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