Weather in Fontana in December
Fontana, United States averages a high of 16.6°C (61.9°F) and low of 5.1°C (41.2°F) in December, with 5 rain days and 8.4 hours of daily sunshine. Travel score: 77.2/100 (Good). The best time to visit Fontana is June.
High
17°C62°F
Low
5°C41°F
🌧️
5
rain days
☀️
8.4
hrs/day sunshine
💧
59%
humidity
77— Good
December in Fontana is mild and mostly dry — good for most activities.
What are the average temperatures in Fontana?
How much does it rain in Fontana in December?
Fontana receives an average of 66.8mm of rainfall across 5 rainy days in December. The annual total is 438.3mm.
What should I pack for Fontana in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 17°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in December?
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