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
The start of October involves a temperature drop, moving from a warm 73.8°F (23.2°C) in September to a refreshing 60.6°F (15.9°C). October's nights observe an average temperature of 45.5°F (7.5°C).Humidity
October is the least humid month, with an average relative humidity of 73%.Rainfall
In Naperville, during October, the rain falls for 11 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, in Naperville, Illinois, there are 132.2 rainfall days, and 16.22" (412mm) of precipitation is accumulated.Snowfall
Months with snowfall in Naperville are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 38.7 snowfall days, and 6.93" (176mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of October, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:47 pm CDT.
Sunshine
The average sunshine in October is 5.7h.UV index
In Naperville, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 3 in October translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the average October temperature in Naperville?
What is the least humid month in Naperville?
What is the average humidity in October in Naperville?
How much does it rain in Naperville in October?
When does it start to snow in Naperville?
What is the average length of the day in October in Naperville?
What time are sunrise and sunset in October in Naperville?
How many hours of sunshine does Naperville have in October?
How high is the UV index in October in Naperville?
Average temperature in October
Naperville, IL
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in October: 45.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in October
Naperville, 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
Naperville, IL
- Average wind speed in October: 8.6mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in October
Naperville, IL
- Average humidity in October: 73%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Naperville, IL
- Average rainfall in October: 1.42"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in October
Naperville, IL
- Average rainfall days in October: 11 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in October
Naperville, IL
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Naperville, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Naperville, IL
- Average daylight in October: 11h and 1min
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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Naperville, IL
- Average sunshine days in October: 17.7 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in October
Naperville, 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 and December (UV index 1).
Average cloud cover in October
Naperville, IL
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in October
Naperville, 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).
Naperville, Illinois, USA
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