October weather forecastPreston Heights, IL
October
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in October /
Average sunshine in October
Preston Heights, IL
- Average daylight in October: 11h and 6min
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 42min
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).
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).
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).
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).
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).
