easeweather.com
Units
°C
°F
Naperville
Forecast Today Tomorrow
more
Illinois United States

Weather in Naperville for July 2025

Your guide to Naperville weather in July - trends and predictions
  • In general, the average temperature in Naperville at the beginning of July is 26.4 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 29.1 °F by the end of July.

  • The climate of Naperville in July is notably wet, with an average of 15 rainy days.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/17°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Naperville in July average weather

Move between months or click on a day
Select a date

You can click on date

Access Naperville weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during July in Naperville

See the weather trend as well as the moving average line

July weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Jul. 1 Patchy rain possible
Patchy rain possible
26° /15° 2.5 mm 6
Jul. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 21.9 mm 6
Jul. 3 Overcast
Overcast
28° /17° 7.8 mm 6
Jul. 4 Patchy rain possible
Patchy rain possible
28° /17° 2.7 mm 6
Jul. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
27° /19° 10.3 mm 6
Jul. 6 Patchy rain possible
Patchy rain possible
25° /16° 0.9 mm 6
Jul. 7 Patchy rain possible
Patchy rain possible
27° /15° 2.5 mm 6
Jul. 8 Moderate or heavy rain shower
Moderate or heavy rain shower
24° /17° 5.6 mm 6
Jul. 9 Overcast
Overcast
27° /16° 0.1 mm 6
Jul. 10 Sunny
Sunny
28° /16° 3.7 mm 7
Jul. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /17° 12 mm 7
Jul. 12 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /16° 20.2 mm 6
Jul. 13 Patchy rain possible
Patchy rain possible
27° /17° 1.5 mm 6
Jul. 14 Overcast
Overcast
31° /19° 0.2 mm 7
Jul. 15 Heavy rain at times
Heavy rain at times
28° /21° 11.8 mm 6
Jul. 16 Overcast
Overcast
28° /18° 7.9 mm 6
Jul. 17 Overcast
Overcast
24° /15° 0.8 mm 6
Jul. 18 Overcast
Overcast
24° /13° 0 mm 6
Jul. 19 Partly cloudy
Partly cloudy
27° /14° 0 mm 7
Jul. 20 Overcast
Overcast
27° /17° 0.1 mm 6
Jul. 21 Overcast
Overcast
27° /17° 0 mm 6
Jul. 22 Overcast
Overcast
27° /17° 1.6 mm 6
Jul. 23 Moderate rain at times
Moderate rain at times
28° /16° 3.6 mm 6
Jul. 24 Overcast
Overcast
27° /18° 0.7 mm 6
Jul. 25 Partly cloudy
Partly cloudy
29° /17° 0 mm 8
Jul. 26 Moderate rain at times
Moderate rain at times
29° /18° 2 mm 7
Jul. 27 Partly cloudy
Partly cloudy
30° /17° 0 mm 8
Jul. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /20° 10.7 mm 6
Jul. 29 Patchy rain possible
Patchy rain possible
28° /19° 2.5 mm 6
Jul. 30 Partly cloudy
Partly cloudy
30° /20° 0.2 mm 7
Jul. 31 Overcast
Overcast
30° /17° 9.6 mm 7
Next
Important Notice
Our weather forecast for Naperville in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Naperville forecast closer to your planned date for the most up-to-date weather information.

Naperville in July - FAQ

What are the expected maximum and minimum temperatures in Naperville during July?
During July, expect a variety of temperatures with highs around 28° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Naperville during July?
Significant rainfall exceeding 141.2 mm is expected in Naperville during July, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Naperville during July?
The average wind speed in Naperville during July is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in Naperville

Explore the daily rainfall trends and prepare for Napervilles July weather 💧

UV exposure in Naperville during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️

Quick links

Location coordinates Where is Naperville?

Get accurate weather forecasts for Naperville, located at latitude 41.786 and longitude -88.147. Stay updated with localized weather information tailored for Naperville.

Found a mistake?
We appreciate your attention to details. Tell us here.