DuPage County (Naperville)
July
Weather in DuPage County, Illinois for July 2027
Your guide to DuPage County weather in July - trends and predictions
In general, the average temperature in DuPage County at the beginning of July is 28.5 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.1 °C by the end of July.
The climate of DuPage County in July is notably wet, with an average of 15 rainy days, and a total of 183.4 mm of precipitation.
Is July a good time to visit DuPage County? check out the best time to travel to DuPage County page.
✨ Is July a good time to visit DuPage County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
29°/19°
Temperatures
16 km/h
Avg max wind
74 %
Avg humidity
DuPage County Weather July
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Temperatures trend during July in DuPage County
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July weather in DuPage County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Light rain | 29° /18° | 5.7 mm | 7 | |
| Jul. 2 |  Moderate rain | 28° /20° | 11.7 mm | 8 | |
| Jul. 3 | Moderate rain | 30° /19° | 11.1 mm | 8 | |
| Jul. 4 | Moderate rain | 30° /20° | 14.1 mm | 7 | |
| Jul. 5 |  Moderate or heavy rain shower | 28° /20° | 7.4 mm | 7 | |
| Jul. 6 | Light rain | 27° /18° | 7.4 mm | 7 | |
| Jul. 7 |  Patchy rain possible | 29° /17° | 1.2 mm | 8 | |
| Jul. 8 | Moderate or heavy rain shower | 28° /18° | 7.7 mm | 8 | |
| Jul. 9 | Light rain | 28° /18° | 7.4 mm | 8 | |
| Jul. 10 | Light rain | 29° /18° | 5.8 mm | 8 | |
| Jul. 11 | Moderate rain | 29° /19° | 10.4 mm | 8 | |
| Jul. 12 | Moderate or heavy rain shower | 29° /19° | 6.7 mm | 8 | |
| Jul. 13 | Patchy rain possible | 28° /18° | 0.8 mm | 7 | |
| Jul. 14 |  Overcast | 32° /19° | 0.1 mm | 8 | |
| Jul. 15 |  Heavy rain at times | 31° /21° | 5.9 mm | 8 | |
| Jul. 16 | Moderate rain | 31° /20° | 23.9 mm | 8 | |
| Jul. 17 | Light rain | 26° /18° | 4 mm | 7 | |
| Jul. 18 | Patchy rain possible | 27° /17° | 1.4 mm | 7 | |
| Jul. 19 | Light rain | 28° /17° | 6.1 mm | 8 | |
| Jul. 20 | Overcast | 27° /18° | 0.2 mm | 7 | |
| Jul. 21 | Overcast | 28° /18° | 0.4 mm | 8 | |
| Jul. 22 | Overcast | 27° /17° | 0.8 mm | 8 | |
| Jul. 23 | Patchy rain possible | 30° /16° | 1.8 mm | 8 | |
| Jul. 24 | Overcast | 29° /19° | 0.6 mm | 8 | |
| Jul. 25 |  Partly cloudy | 29° /18° | 0 mm | 8 | |
| Jul. 26 | Patchy rain possible | 30° /19° | 2.1 mm | 7 | |
| Jul. 27 | Moderate rain | 30° /21° | 10 mm | 7 | |
| Jul. 28 | Moderate or heavy rain shower | 29° /21° | 5.4 mm | 8 | |
| Jul. 29 | Light rain | 30° /19° | 2.6 mm | 8 | |
| Jul. 30 | Partly cloudy | 30° /19° | 0.6 mm | 8 | |
| Jul. 31 | Moderate rain | 27° /18° | 20.1 mm | 7 | |
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Important Notice
Our weather forecast for DuPage County 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 DuPage County forecast closer to your planned date for the most up-to-date weather information.
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DuPage County in July - FAQ
What are the expected maximum and minimum temperatures in DuPage County during July?
During July, expect a variety of temperatures with highs around 29° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in DuPage County during July?
Significant rainfall exceeding 183.4 mm is expected in DuPage County during July, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in DuPage County during July?
The average wind speed in DuPage County during July is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in DuPage County
Explore the daily rainfall trends and prepare for DuPage Countys July weather 💧
Typically, DuPage County has 15 rainy days in July with a total of 183.4 mm of rainfall.
UV exposure in DuPage County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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