October weather forecast
La Grange, IL

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Weather in October

October, the same as September, is another enjoyable autumn month in La Grange, Illinois, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 46.9°F (8.3°C).

Temperature

La Grange observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 74.1°F (23.4°C) to an enjoyable 60.8°F (16°C). La Grange usually reports an average low-temperature of 46.9°F (8.3°C) during the month of October.

Humidity

October is the least humid month, with an average relative humidity of 72%.

Rainfall

In La Grange, during October, the rain falls for 14.3 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, in La Grange, there are 166.8 rainfall days, and 34.96" (888mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.24" (6mm) of snow. In La Grange, during the entire year, snow falls for 47.1 days and aggregates up to 19.02" (483mm) of snow.

Daylight

The average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:23 am and sunset at 5:46 pm CDT.

Sunshine

The average sunshine in October in La Grange is 5.9h.

UV index

The average daily maximum UV index in October in La Grange is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In October, an average UV index of 3 transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in La Grange in October?

In La Grange, in October, the average high-temperature is 60.8°F (16°C), and the average low-temperature is 46.9°F (8.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 84.2°F (29°C).

What is the least humid month in La Grange?

The least humid month in La Grange, Illinois, is October, with an average relative humidity of 72%.

What is the average humidity in October in La Grange?

In October, the average relative humidity is 72%.

How much does it rain in La Grange in October?

In La Grange, in October, it is raining for 14.3 days, with typically 2.95" (75mm) of accumulated precipitation.

When does it start to snow in La Grange?

October is the first month it typically snows in La Grange. Throughout October, in the average 0.2 snowfall days, it receives 0.24" (6mm) of snow.

What is the average length of the day in October in La Grange?

In October, the average day length in La Grange, Illinois, is 11h and 4min.

When are sunrise and sunset in October in La Grange?

In October, on the first day of the month, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, in La Grange, sunrise is at 7:23 am and sunset at 5:46 pm CDT.

How many hours of sunshine does La Grange have in October?

In October, the average sunshine duration is 5.9h.

What is the UV index reading in October in La Grange?

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
La Grange, IL

Average temperature in October - La Grange, IL
  • Average high temperature in October: 60.8°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in October: 46.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in October
La Grange, IL

Average pressure in October - La Grange, IL
  • Average pressure in October: 30.01"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).

Average wind speed in October
La Grange, IL

Average wind speed in October - La Grange, IL
  • Average wind speed in October: 9.1mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in October
La Grange, IL

Average humidity in October - La Grange, IL
  • Average humidity in October: 72%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
La Grange, IL

Average rainfall in October - La Grange, IL
  • Average rainfall in October: 2.95"

The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").

Average rainfall days in October
La Grange, IL

Average rainfall days in October - La Grange, IL
  • Average rainfall days in October: 14.3 days

The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in October
La Grange, IL

Average snowfall in October - La Grange, IL
  • Average snowfall in October: 0.24"

The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
La Grange, IL

Average snowfall days in October - La Grange, IL
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
La Grange, IL

Average daylight in October / Average sunshine in October - La Grange, IL
  • Average daylight in October: 11h and 1min

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 October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in October
La Grange, IL

Average sunshine days in October - La Grange, IL
  • Average sunshine days in October: 14 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).

Average UV index in October
La Grange, IL

Average UV index in October - La Grange, IL
  • Average UV index in October: 3

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

Average cloud cover in October
La Grange, IL

Average cloud cover in October - La Grange, IL
  • Average cloud cover in October: 41

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in October
La Grange, IL

Average visibility in October - La Grange, IL
  • Average visibility in October: 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).

La Grange, Illinois, USA

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