Weather in Boulder in July
Boulder, United States averages a high of 29.2°C (84.6°F) and low of 14.6°C (58.3°F) in July, with 12 rain days and 13.2 hours of daily sunshine. Travel score: 85.6/100 (Excellent). The best time to visit Boulder is August.
High
29°C85°F
Low
15°C58°F
🌧️
12
rain days
☀️
13.2
hrs/day sunshine
💧
53%
humidity
86— Excellent
July in Boulder is hot and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Boulder?
How much does it rain in Boulder in July?
Boulder receives an average of 60.1mm of rainfall across 12 rainy days in July. The annual total is 586.4mm.
What should I pack for Boulder 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