Weather in Diamond Bar in July
Diamond Bar, United States averages a high of 31.2°C (88.2°F) and low of 17.8°C (64°F) in July, with 0 rain days and 13.6 hours of daily sunshine. Travel score: 99.5/100 (Excellent). The best time to visit Diamond Bar is July.
High
31°C88°F
Low
18°C64°F
🌧️
0
rain days
☀️
13.6
hrs/day sunshine
💧
60%
humidity
100— Excellent
July in Diamond Bar is hot and dry — excellent conditions for exploring.
What are the average temperatures in Diamond Bar?
How much does it rain in Diamond Bar in July?
Diamond Bar receives an average of 1.8mm of rainfall across 0 rainy days in July. The annual total is 393.2mm.
What should I pack for Diamond Bar in July?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 31°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
14 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
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