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Climate in Naperville, Illinois

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ClimateNaperville, ILUnited States
Rainfall (in.)36.336.5
Snowfall (in.)3325
Precipitation Days109100
Sunny Days189205
Avg. July High8686.5
Avg. Jan. Low14.120.5
Comfort Index (higher=better)4344
UV Index3.44.3
Elevation ft.6871,443

Naperville, IL, gets 36 inches of rain per year. The US average is 37. Snowfall is 33 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 109.

On average, there are 189 sunny days per year in Naperville, IL. The July high is around 86 degrees. The January low is 14. Our comfort index, which is based on humidity during the hot months, is a 43 out of 100, where higher is more comfortable. The US average on the comfort index is 44.


Naperville Climate SperlingViews

Soo Cold here.: I hate the witer's here. There are more cloudy days than sunny days. It is so bone chilling cold in the winter. Looking to move down... (read more)A location of diversity: Having lived in the town of Naperville since 1989 it would be wrong to state that the climate is either too hot or too cold. Instead, Naperville is a city which... (read more)re: Too Many Foreigners!! - 3/7/2009: Angela, What is wrong with you?!!! What did these groups of people do to you? First of all if you are refering to Indians that come form India, they are considered as... (read more)Have an opinion about Naperville? Leave a commentTo See All SperlingViews for Naperville Click Here