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Naperville, United States Snapshot 2026
Where is Naperville?
Naperville, United States
- Continent
- Americas
- Country
- United States
- City
- Naperville
- Population
- 147.1K
- Elevation
- 216 m
- Coordinates
- 41.79°, -88.15°
Naperville is a city in United States with a population of approximately 147.1K. Average temperatures range from -7°C (20°F) in January to 28°C (83°F) in July. The best time to visit is June, July, August, September, October. The city sits at an elevation of 216 m above sea level.
Time in Naperville right now
Open full time & time zone page 13:54 54
Monday, June 15, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in Naperville
Daylight in Naperville today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 12m
Climate normals for Naperville
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 0°C / -7°C | -4°C / -12°C | 9days (61 mm) Wet | 4.9h Fair | 74% Muggy | 2.1 Moderate | Poor | View Details |
| February | 3°C / -5°C | -1°C / -10°C | 8days (52 mm) Wet | 6.8h Fair | 69% Muggy | 3.4 Moderate | Poor | View Details |
| March | 10°C / 0°C | 6°C / -4°C | 11days (94 mm) Wet | 7.5h Good | 68% Muggy | 4.5 Moderate | Poor | View Details |
| April | 15°C / 5°C | 13°C / 1°C | 13days (113 mm) Wet | 8.5h Good | 67% Muggy | 5.4 High | Fair | View Details |
| May | 21°C / 11°C | 21°C / 9°C | 14days (124 mm) Wet | 9.8h Good | 70% Muggy | 6.7 High | Good | View Details |
| June best | 27°C / 17°C | 29°C / 17°C | 12days (115 mm) Wet | 11.5h Excellent | 69% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 28°C / 19°C | 31°C / 21°C | 12days (115 mm) Wet | 11.5h Excellent | 73% Muggy | 7 High | Excellent | View Details |
| August best | 27°C / 19°C | 30°C / 20°C | 10days (86 mm) Wet | 11h Excellent | 73% Muggy | 6.6 High | Excellent | View Details |
| September best | 25°C / 16°C | 25°C / 16°C | 9days (78 mm) Wet | 9.3h Good | 71% Muggy | 5.3 High | Excellent | View Details |
| October best | 17°C / 9°C | 16°C / 7°C | 9days (95 mm) Wet | 7.1h Good | 70% Muggy | 3.8 Moderate | Good | View Details |
| November | 9°C / 2°C | 6°C / -2°C | 7days (55 mm) Good | 6h Fair | 70% Muggy | 2.6 Moderate | Poor | View Details |
| December | 4°C / -3°C | 0°C / -8°C | 8days (55 mm) Wet | 5h Fair | 73% Muggy | 1.8 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 0°C / -7°C . Feb: 3°C / -5°C . Mar: 10°C / 0°C . Apr: 15°C / 5°C . May: 21°C / 11°C . Jun: 27°C / 17°C . Jul: 28°C / 19°C . Aug: 27°C / 19°C . Sep: 25°C / 16°C . Oct: 17°C / 9°C . Nov: 9°C / 2°C . Dec: 4°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 61 mm. Feb: 52 mm. Mar: 94 mm. Apr: 113 mm. May: 124 mm. Jun: 115 mm. Jul: 115 mm. Aug: 86 mm. Sep: 78 mm. Oct: 95 mm. Nov: 55 mm. Dec: 55 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 69%. Mar: 68%. Apr: 67%. May: 70%. Jun: 69%. Jul: 73%. Aug: 73%. Sep: 71%. Oct: 70%. Nov: 70%. Dec: 73%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 20 km/h . Mar: 21 km/h . Apr: 22 km/h . May: 19 km/h . Jun: 18 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 19 km/h . Nov: 20 km/h . Dec: 19 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 5. Apr: UV 5. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Naperville has a population of approximately 147.1K.
The best months to visit Naperville are June, July, August, September, October, when temperatures are pleasant and rainfall is lower.
Naperville receives approximately 1043mm of rainfall annually across 122 rainy days.
Naperville is located in United States, in the Americas region.
Naperville sits at an elevation of 216 m (709 ft) above sea level.