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Climate

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  CLIMATE OVERVIEW
  

Naperville, Illinois, gets 39 inches of rain per year. The US average is 39. Snowfall is 28 inches. The average US city gets 26 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, Illinois. The July high is around 84 degrees. The January low is 15. Sperling's comfort index for Naperville is a 43 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

  CLIMATENaperville, IllinoisUnited States
  Rainfall (in.)  38.739.2
  Snowfall (in.)  2825.8
  Precipitation Days  109102
  Sunny Days  189205
  Avg. July High  83.886.1
  Avg. Jan. Low  14.722.6
  Comfort Index (higher=better)  4354
  UV Index  3.44.3
  Elevation ft.  6871,443

  CLIMATE MAP

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  CLIMATE COMMENTS
  
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)
Suburban Sprawl
Since My own observations in the early 1990s, Naperville has grown in affluence and total population size having almost doubled in size in a mere decade. Owing to the... (read more)
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  GENERAL COMMENTS
  
Issues
It's an attractive place, but the traffic sucks and it's crowded than it was 14+ years ago. I like the festivals because of the bands, but everyone who's there has to be... (read more)
Lived in Chicago suburbs my whole life. Napervill
I grew up in the Chicago area suburbs and have lived in every area. Naperville has, by far been my favorite! Yeah, Illinois drivers are total asshats and you're going... (read more)
Nice City But With Attitude
Have lived in Naperville a long time, and love our quaint downtown and River Walk area (we even have a beach!), the proximity to Chicago, the multitude of in-town and... (read more)
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