October weather forecast
Preston Heights, IL

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Weather in October

October, the same as September, is another enjoyable autumn month in Preston Heights, Illinois, with an average temperature varying between 45.5°F (7.5°C) and 61.3°F (16.3°C).

Temperature

The onset of October introduces a moderate change in Preston Heights's weather, with average high-temperatures falling from September's moderately hot 74.7°F (23.7°C) to a comfortable 61.3°F (16.3°C). In the month of October, the average low-temperature in Preston Heights usually rests at a frosty 45.5°F (7.5°C).

Humidity

With an average relative humidity of 73%, October is the least humid month.

Rainfall

In Preston Heights, during October, the rain falls for 12.9 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Preston Heights, during the entire year, the rain falls for 153.6 days and collects up to 32.72" (831mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Preston Heights, the average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of October, in Preston Heights, sunrise is at 7:23 am and sunset at 5:48 pm CDT.

Sunshine

The average sunshine in October in Preston Heights is 5.7h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 3 during October morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What is the average October temperature in Preston Heights?

The high-temperature, in October, in Preston Heights, is 61.3°F (16.3°C), while the low-temperature averages to 45.5°F (7.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 87.8°F (31°C).

What is the least humid month in Preston Heights?

The least humid month in Preston Heights, Illinois, is October, with an average relative humidity of 73%.

What is the average humidity in October in Preston Heights?

The average relative humidity in October in Preston Heights, Illinois, is 73%.

How much does it rain in Preston Heights in October?

In Preston Heights, during October, the rain falls for 12.9 days and regularly aggregates up to 2.95" (75mm) of precipitation.

When it does not snow in Preston Heights?

May through October are months without snowfall in Preston Heights, Illinois.

Does it snow in Preston Heights in October?

In Preston Heights, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in Preston Heights?

In Preston Heights, Illinois, the average day length in October is 11h and 5min.

What time are sunrise and sunset in October in Preston Heights?

In October, on the first day of the month, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of the month, in Preston Heights, Illinois, sunrise is at 7:23 am and sunset at 5:48 pm CDT.

How many hours of sunshine does Preston Heights have in October?

In Preston Heights, the average sunshine duration in October is 5.7h.

What is the UV index intensity in October in Preston Heights?

The average daily maximum UV index in October in Preston Heights is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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 October
Preston Heights, IL

Average temperature in October - Preston Heights, IL
  • Average high temperature in October: 61.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure in October
Preston Heights, IL

Average pressure in October - Preston Heights, IL
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Preston Heights, IL

Average wind speed in October - Preston Heights, IL
  • Average wind speed in October: 8.5mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in October
Preston Heights, IL

Average humidity in October - Preston Heights, IL
  • Average humidity in October: 73%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in October
Preston Heights, IL

Average rainfall in October - Preston Heights, IL
  • Average rainfall in October: 2.95"

The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days in October
Preston Heights, IL

Average rainfall days in October - Preston Heights, IL
  • Average rainfall days in October: 12.9 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in October
Preston Heights, IL

Average snowfall in October - Preston Heights, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Preston Heights, IL

Average snowfall days in October - Preston Heights, IL
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Preston Heights, IL

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

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).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in October
Preston Heights, IL

Average sunshine days in October - Preston Heights, IL
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in October
Preston Heights, IL

Average UV index in October - Preston Heights, IL
  • Average UV index in October: 3

The months with the highest UV index are June and July (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 October
Preston Heights, IL

Average cloud cover in October - Preston Heights, IL
  • Average cloud cover in October: 42

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).

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Average visibility in October
Preston Heights, IL

Average visibility in October - Preston Heights, IL
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).

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Preston Heights, Illinois, USA

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