Weather in Sioux City in July
Sioux City, United States averages a high of 29°C (84.2°F) and low of 19.4°C (66.9°F) in July, with 8 rain days and 13.1 hours of daily sunshine. Travel score: 86.1/100 (Excellent). The best time to visit Sioux City is September.
High
29°C84°F
Low
19°C67°F
🌧️
8
rain days
☀️
13.1
hrs/day sunshine
💧
70%
humidity
86— Excellent
July in Sioux City is hot and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Sioux City?
How much does it rain in Sioux City in July?
Sioux City receives an average of 68.3mm of rainfall across 8 rainy days in July. The annual total is 766.3mm.
What should I pack for Sioux City in July?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
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