Weather in Joliet in July
Joliet, United States averages a high of 28.3°C (82.9°F) and low of 19°C (66.2°F) in July, with 11 rain days and 12.2 hours of daily sunshine. Travel score: 82.5/100 (Excellent). The best time to visit Joliet is September.
High
28°C83°F
Low
19°C66°F
🌧️
11
rain days
☀️
12.2
hrs/day sunshine
💧
72%
humidity
83— Excellent
July in Joliet is hot and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Joliet?
How much does it rain in Joliet in July?
Joliet receives an average of 99.2mm of rainfall across 11 rainy days in July. The annual total is 989.9mm.
What should I pack for Joliet in July?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to United States in July?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31