Weather in Lake Forest in December
Lake Forest, United States averages a high of 17.7°C (63.9°F) and low of 8.6°C (47.5°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 Lake Forest is August.
High
18°C64°F
Low
9°C47°F
🌧️
5
rain days
☀️
8.4
hrs/day sunshine
💧
70%
humidity
78— Good
December in Lake Forest is mild and mostly dry — good for most activities.
What are the average temperatures in Lake Forest?
How much does it rain in Lake Forest in December?
Lake Forest receives an average of 54.4mm of rainfall across 5 rainy days in December. The annual total is 357.4mm.
What should I pack for Lake Forest 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