Hot-summer humid continental
Naperville, Illinois
DuPage County, Illinois · Population 149k · 712 ft elevation
Living in Naperville
Naperville has a hot-summer humid continental climate: hot summers (July highs around 84°F) and cold winters (January lows around 15°F).
Precipitation is wet at about 40″ a year, and it gets light snow (24″ a season).
Skies are partly sunny (59% of possible sunshine). Summers get sticky, with about 35 muggy days a year.
Air quality is moderate: a median AQI of 42, with about 6 unhealthy-air days in the latest year.
Naperville at a glance
- Population
- 149k
- Elevation
- 712 ft
- Average daily high
- 60°F18th percentile
- Average daily low
- 39°F15th percentile
- Annual precipitation
- 40″38th percentile
- Annual snowfall
- 24″63th percentile
- Sunshine hours per year
- 2,658 hrs33th percentile
- Median AQI
- 4252th percentile
- Median home value
- $510k82th percentile
- Median rent
- $1,852/mo82th percentile
- Median household income
- $151k93th percentile
- Property tax rate
- 1.96%88th percentile
- Top state income-tax rate
- 5.0%
- Sales tax (state + local)
- 8.9%
- Unemployment rate
- 4.2%
- Homes with broadband
- 97%89th percentile
- Walkability index
- 9.865th percentile
- Average commute
- 31 min
- Math proficiency (8th grade)
- 61%73th percentile
- Reading proficiency (8th grade)
- 77%
- Violent crime rate
- 70 per 100k22th percentile
- Property crime rate
- 569 per 100k
- Overall natural-hazard risk
- 9879th percentile
- Outdoor access
- 3333th percentile
- Public land within 10 miles
- 2%
- Public land within 30 miles
- 3%
- Mountain relief within 30 miles
- 328 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 31°F | 15°F | 2.2″ | 9.3″ | 131 hrs |
| Feb | 35°F | 18°F | 2.0″ | 5.1″ | 148 hrs |
| Mar | 47°F | 26°F | 2.4″ | 4.5″ | 194 hrs |
| Apr | 59°F | 36°F | 3.8″ | 0.3″ | 227 hrs |
| May | 71°F | 47°F | 4.8″ | — | 265 hrs |
| Jun | 81°F | 58°F | 4.4″ | — | 306 hrs |
| Jul | 84°F | 62°F | 4.3″ | — | 335 hrs |
| Aug | 83°F | 60°F | 4.3″ | — | 305 hrs |
| Sep | 76°F | 52°F | 3.4″ | — | 266 hrs |
| Oct | 63°F | 40°F | 3.6″ | — | 200 hrs |
| Nov | 48°F | 30°F | 2.8″ | 0.9″ | 155 hrs |
| Dec | 37°F | 21°F | 2.3″ | 4.2″ | 126 hrs |
Near Naperville
- Lisle, IL · 23k
- Warrenville, IL · 14k
- Bolingbrook, IL · 74k
- Woodridge, IL · 34k
- Aurora, IL · 180k
- Downers Grove, IL · 50k
- Wheaton, IL · 53k
- Winfield, IL · 10k
Largest places in Illinois
- Chicago, IL · 2.7M
- Joliet, IL · 150k
- Rockford, IL · 148k
- Elgin, IL · 114k
- Springfield, IL · 114k
- Peoria, IL · 112k
- Waukegan, IL · 89k
- Champaign, IL · 89k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology