Weather in Diamond Bar in March
Diamond Bar, United States averages a high of 19.7°C (67.5°F) and low of 8.3°C (46.9°F) in March, with 6 rain days and 10.5 hours of daily sunshine. Travel score: 81.1/100 (Excellent). The best time to visit Diamond Bar is July.
High
20°C67°F
Low
8°C47°F
🌧️
6
rain days
☀️
10.5
hrs/day sunshine
💧
69%
humidity
81— Excellent
March in Diamond Bar is mild and mostly dry — excellent conditions for exploring.
What are the average temperatures in Diamond Bar?
How much does it rain in Diamond Bar in March?
Diamond Bar receives an average of 58.1mm of rainfall across 6 rainy days in March. The annual total is 393.2mm.
What should I pack for Diamond Bar in March?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in March?
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