Weather in October
LaSalle,
Illinois, dives deeper into the fall season in
October with corresponding changes in the weather pattern. The transition away from
September's gentler prelude to autumn now evolves into unmistakable fall conditions. October is best known for its colorful foliage and harvests, both of which are shaped by the month's weather patterns. The cooling trend that started in September now picks up pace as
November approaches.
Temperature
A moderate decline in the average high-temperature is seen in LaSalle during October, decreasing from a warm 77°F (25°C) in September to an enjoyable 64°F (17.8°C). Nighttime in October brings a stark departure from the daily high in LaSalle, resting at an average low-temperature of 41°F (5°C).
Daylight
In LaSalle, the average length of the day in October is 11h and 5min.
On the first day of October, sunrise is at 6:53 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:52 pm CDT.
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