October weather forecastSpringfield, IL

October
Weather in October
October brings further weather transformations. The pleasant warmth of September gives way to the cooler temperatures of autumn. The preparatory phase for the impending winter sets in, with colder nights becoming the norm. The fall foliage reaches its peak, making the natural environment a vivid palette of colors. The decrease in cloud cover also means more clear, starry nights.Temperature
The decrease of average high-temperatures is mild in October, with a decline from a moderately hot 77.4°F (25.2°C) in September to an enjoyable 64°F (17.8°C). Springfield cools down to an average low-temperature of 48.2°F (9°C) throughout the month of October.Humidity
October is the least humid month, with an average relative humidity of 70%.Rainfall
In Springfield, during October, the rain falls for 10.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Springfield, Illinois, during the entire year, the rain falls for 140.2 days and collects up to 23.27" (591mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in October is 11h and 8min.On the first day of October, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:57 pm CDT.
Sunshine
In October, the average sunshine is 6h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 during October translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. When the Sun is at its strongest around midday, find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Springfield, IL
- Average high temperature in October: 64°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in October: 48.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in October
Springfield, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Springfield, IL
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in October
Springfield, IL
- Average humidity in October: 70%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Springfield, IL
- Average rainfall in October: 2.01"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in October
Springfield, IL
- Average rainfall days in October: 10.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in October
Springfield, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Springfield, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (9.5 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
Springfield, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 6h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in October
Springfield, IL
- Average sunshine days in October: 18.9 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in October
Springfield, IL
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Springfield, IL
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in October
Springfield, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





