Naperville Weather in July
July in Naperville sees daytime temperatures around 29°C (84°F) and lows of 17°C (63°F) at night. With around 106 mm (4.2 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Naperville in July
Typically, about 11 days will experience rainfall, with an average of 106 mm (4.2 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Naperville in July
Naperville in July gets highs of 29°C (84°F) during the day and drops to 17°C (63°F) at night. This kind of day-to-night contrast is typical for this time of year. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.
Sunshine in Naperville in July
Enjoy a sunny month with about 319 hours of sunshine, the clear skies make Naperville even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Naperville.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Naperville's climate page.
Naperville Temperature in July
Min Temperature
17°C (63°F)
Max Temperature
29°C (84°F)
Chance of Rain
37%
Precipitation
106 mm (4.2 in)
Rainy days
11 days
Humidity
68% *
Sunshine
319 hours *
Percentage Sunshine
69% *
Best Places in the United States of America in July
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →
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What to Wear in Naperville in July
Warm but pleasant conditions in Naperville in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Naperville in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Naperville's climate page.
Temperature Rainfall Sunshine Humidity
See the full Naperville climate overview or explore weather in the United States of America.
