Weather in Naperville: July
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Average day temperature: | 81.8°F |
| Average night temperature: | 68.2°F | |
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Number of sunny days: | 12 days |
| Day length: | 14.4 - 15.1 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.2 in. | |
| more information | ||
14 days
forecast
forecast
| Naperville |
weather in
August
August
| Naperville |
Air temperature in July, °F
Show year:
2025
2024
2023
The highest day temperature during July of 2025 was 95°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during July were 85.6°F and 69.6°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in July is almost equal.
Precipitation total in July, in.
Precipitation total value in Naperville in July is 1.2 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 6.6 mph It makes July lest windy month of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 8.7.
Best time for vacation in Naperville
Naperville on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Naperville
Local time: 00:11
December 05, friday
0300
-2°F
N
7 mph
7 mph
0600
1°F
NE
7 mph
7 mph
0900
14°F
NE
9 mph
9 mph
1200
27°F
NE
12 mph
12 mph
1500
28°F
NE
11 mph
11 mph
1800
28°F
N
11 mph
11 mph
2100
28°F
NE
10 mph
10 mph
December 06, saturday
0000
28°F
NE
7 mph
7 mph
