Weather in El Cajon in January
El Cajon, United States averages a high of 18.1°C (64.6°F) and low of 8°C (46.4°F) in January, with 5 rain days and 8.9 hours of daily sunshine. Travel score: 78.8/100 (Good). The best time to visit El Cajon is July.
High
18°C65°F
Low
8°C46°F
🌧️
5
rain days
☀️
8.9
hrs/day sunshine
💧
68%
humidity
79— Good
January in El Cajon is mild and mostly dry — good for most activities.
What are the average temperatures in El Cajon?
How much does it rain in El Cajon in January?
El Cajon receives an average of 57.1mm of rainfall across 5 rainy days in January. The annual total is 314.3mm.
What should I pack for El Cajon in January?
Essentials
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Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
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Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting United States in January?
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