The temperatures in Naperville in May are usually low and can range between 12°C and 20°C.
You can expect about 3 to 8 days of rain in Naperville during the month of May. 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 May 2025.
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
20° / 12°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
112
mm
Sun Hours
9.1
Hrs
