Weather in July 2025

Naperville weather in July 2025

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 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
Temperatures
28° / 20°
Rainy Days
Rainy Days
6
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
116
mm
10.9
Sun Hours
10.9
Hrs

Naperville annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -2° / -8° 5 12 14 44 mm
Awful
February -1° / -7° 3 12 13 49 mm
Awful
March 7° / 0° 6 18 7 60 mm
Bad
April 13° / 5° 6 21 3 86 mm
Bad
May 20° / 12° 7 24 0 112 mm
Ok
June 26° / 17° 7 23 0 121 mm
Good
July 28° / 20° 6 25 0 116 mm
Perfect
August 27° / 19° 6 25 0 103 mm
Perfect
September 24° / 15° 4 26 0 69 mm
Perfect
October 16° / 9° 5 25 0 71 mm
Good
November 8° / 2° 5 21 4 41 mm
Bad
December 2° / -3° 5 16 10 43 mm
Awful
Temperatures in Naperville in July
Rain in Naperville in July

Recommended Hotels in Naperville

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That’s why we run our special tools and found the best hotels in Naperville. Click on hotel for more details.

Weather in Naperville in July - FAQ

What is the average temperature in Naperville in July?
The average temperature in Naperville in July is 20/28° C.
What is the chance of rain in Naperville in July?
On average, there are 6 rainy days in Naperville during July.
Weather wise, is July a good time to visit Naperville?
The weather in Naperville in July is perfect.
Can it snow in Naperville in July?
On average, there are 0 snowy days in Naperville in July.
More about the weather in Naperville