October weather forecastSouth Chicago Heights, IL
October
Weather in October
October, like September, in South Chicago Heights, Illinois, is another comfortable autumn month, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 46.6°F (8.1°C).Temperature
South Chicago Heights's weather in October involves a decrease in the average high-temperature, moving down from September's warm 74.5°F (23.6°C) to a comfortable 61.3°F (16.3°C). An average minimum temperature of 46.6°F (8.1°C) is recorded during the month of October.Humidity
With an average relative humidity of 73%, October is the least humid month.Rainfall
In October, the rain falls for 13.8 days. Throughout October, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 167.4 rainfall days, and 35" (889mm) of precipitation is accumulated.Snowfall
Months with snowfall in South Chicago Heights are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 47.8 snowfall days, and 20.04" (509mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 5min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of October, sunrise is at 7:21 am and sunset at 5:46 pm CDT.
Sunshine
The average sunshine in October is 5.9h.UV index
In South Chicago Heights, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In October, a daily maximum UV index of 2 leads to the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
South Chicago Heights, IL
- Average high temperature in October: 61.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in October: 46.6°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in October
South Chicago Heights, 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
South Chicago Heights, IL
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in October
South Chicago 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
South Chicago Heights, IL
- Average rainfall in October: 2.91"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in October
South Chicago Heights, IL
- Average rainfall days in October: 13.8 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in October
South Chicago Heights, IL
- Average snowfall in October: 0.2"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
South Chicago Heights, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
South Chicago 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 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
South Chicago Heights, IL
- Average sunshine days in October: 14.3 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in October
South Chicago Heights, IL
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
South Chicago Heights, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in October
South Chicago Heights, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
