October weather forecastCarol Stream, IL
October
Weather in October
October, like September, is a moderate autumn month in Carol Stream, Illinois, with an average temperature ranging between max 60.4°F (15.8°C) and min 45.3°F (7.4°C).Temperature
In Carol Stream, the average high-temperature in October drops from a warm 73.6°F (23.1°C) in September to a refreshing 60.4°F (15.8°C). October's average low-temperature reading settles at a chilly 45.3°F (7.4°C).Humidity
October is the least humid month, with an average relative humidity of 74%.Rainfall
In October, in Carol Stream, the rain falls for 10 days. Throughout October, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 119.1 rainfall days, and 10.83" (275mm) 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 0.4 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 34.4 snowfall days, and 5.2" (132mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 4min.On the first day of the month, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:24 am and sunset at 5:47 pm CDT.
Sunshine
In October, the average sunshine is 5.6h.UV index
The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In October, the maximum UV index of 2 suggests these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Carol Stream, IL
- Average high temperature in October: 60.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in October: 45.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in October
Carol Stream, 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
Carol Stream, IL
- Average wind speed in October: 8.7mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in October
Carol Stream, IL
- Average humidity in October: 74%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Carol Stream, IL
- Average rainfall in October: 0.91"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February, November and December (0.51").
Average rainfall days in October
Carol Stream, IL
- Average rainfall days in October: 10 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in October
Carol Stream, IL
- Average snowfall in October: 0.12"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Carol Stream, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Carol Stream, IL
- Average daylight in October: 11h and 6min
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 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Carol Stream, IL
- Average sunshine days in October: 19.1 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in October
Carol Stream, IL
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Carol Stream, IL
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in October
Carol Stream, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
