Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
Start of October brings a shift in the average high-temperature, falling from September's moderately hot 74.5°F (23.6°C) to an enjoyable 61.3°F (16.3°C). The average low-temperature during October nights is a frosty 46.6°F (8.1°C).Humidity
With an average relative humidity of 73%, October is the least humid month in South Chicago Heights, Illinois.Rainfall
In South Chicago Heights, in October, it is raining for 13.8 days, with typically 2.91" (74mm) of accumulated precipitation. In South Chicago Heights, Illinois, during the entire year, the rain falls for 167.4 days and collects up to 35" (889mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. In South Chicago Heights, Illinois, during the entire year, snow falls for 47.8 days and aggregates up to 20.04" (509mm) of snow.Daylight
The average length of the day in October 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
In South Chicago Heights, the average sunshine in October is 5.9h.UV index
The average daily maximum UV index in October in South Chicago Heights is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during October translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the average October temperature in South Chicago Heights?
What is the least humid month in South Chicago Heights?
What is the average humidity in October in South Chicago Heights?
How much does it rain in South Chicago Heights in October?
When does it start snowing in South Chicago Heights?
What is the average length of the day in October in South Chicago Heights?
When is the sunrise / sunset in October in South Chicago Heights?
How long on average sun shines in October in South Chicago Heights?
How high is the UV index in October in South Chicago Heights?
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 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 5min
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).
South Chicago Heights, Illinois, USA
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