October weather forecastSycamore, IL
October
Weather in October
October, like September, is another mild autumn month in Sycamore, Illinois, with an average temperature ranging between min 44.1°F (6.7°C) and max 59.9°F (15.5°C).Temperature
October comes with a drop in the average high-temperature, falling from September's agreeable 73°F (22.8°C) to a mild 59.9°F (15.5°C). An average low-temperature of 44.1°F (6.7°C) is common during the nights of October.Humidity
April and October, with an average relative humidity of 75%, are the least humid months.Rainfall
In October, in Sycamore, Illinois, the rain falls for 13.1 days. Throughout October, 2.68" (68mm) of precipitation is accumulated. In Sycamore, during the entire year, the rain falls for 152.6 days and collects up to 32.09" (815mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Sycamore. October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 44.3 snowfall days, and 17.87" (454mm) of snow is accumulated.Daylight
The average length of the day in October in Sycamore, Illinois, is 11h and 4min.On the first day of October in Sycamore, sunrise is at 6:52 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:49 pm CDT.
Sunshine
The average sunshine in October in Sycamore, Illinois, is 5.4h.UV index
In Sycamore, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In October, the maximum UV index of 2 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Sycamore, IL
- Average high temperature in October: 59.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in October: 44.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in October
Sycamore, IL
- Average pressure in October: 30"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
Sycamore, IL
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in October
Sycamore, IL
- Average humidity in October: 75%
The months with the highest relative humidity are January and July (85%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in October
Sycamore, IL
- Average rainfall in October: 2.68"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in October
Sycamore, IL
- Average rainfall days in October: 13.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in October
Sycamore, IL
- Average snowfall in October: 0.2"
The month with the highest snowfall is January (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Sycamore, IL
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Sycamore, 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 24min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
Sycamore, IL
- Average sunshine days in October: 15.4 days
The month with the most sunshine days is November (17.2 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in October
Sycamore, IL
- Average UV index in October: 2
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Sycamore, IL
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in October
Sycamore, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





