Weather in Tustin in December
Tustin, United States averages a high of 18.2°C (64.8°F) and low of 8.4°C (47.1°F) in December, with 5 rain days and 8.4 hours of daily sunshine. Travel score: 77.9/100 (Good). The best time to visit Tustin is August.
High
18°C65°F
Low
8°C47°F
🌧️
5
rain days
☀️
8.4
hrs/day sunshine
💧
71%
humidity
78— Good
December in Tustin is mild and mostly dry — good for most activities.
What are the average temperatures in Tustin?
How much does it rain in Tustin in December?
Tustin receives an average of 54.1mm of rainfall across 5 rainy days in December. The annual total is 328.8mm.
What should I pack for Tustin in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting United States in December?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31