Weather in Lake Forest in January
Lake Forest, United States averages a high of 17.9°C (64.2°F) and low of 8.4°C (47.1°F) in January, with 6 rain days and 8.7 hours of daily sunshine. Travel score: 77.6/100 (Good). The best time to visit Lake Forest is August.
High
18°C64°F
Low
8°C47°F
🌧️
6
rain days
☀️
8.7
hrs/day sunshine
💧
71%
humidity
78— Good
January 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 January?
Lake Forest receives an average of 71.3mm of rainfall across 6 rainy days in January. The annual total is 357.4mm.
What should I pack for Lake Forest in January?
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
Traveling to United States in January?
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