The weather in Naperville in July is hot. The average temperatures are between 20°C and 28°C.
You can expect about 3 to 8 days of rain in Naperville during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Naperville in July 2024.
If you’re planning to visit Naperville in the near future, we highly recommend that you review the 14 day weather forecast for Naperville before you arrive.
Temperatures
28° / 20°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
116
mm
Sun Hours
10.9
Hrs
