Weather in San Juan in January
San Juan, Peru averages a high of 30°C (86°F) and low of 23.5°C (74.3°F) in January, with 24 rain days and 9 hours of daily sunshine. Travel score: 65.1/100 (Good). The best time to visit San Juan is August.
High
30°C86°F
Low
24°C74°F
🌧️
24
rain days
☀️
9
hrs/day sunshine
💧
88%
humidity
65— Good
January in San Juan is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in San Juan?
How much does it rain in San Juan in January?
San Juan receives an average of 235.2mm of rainfall across 24 rainy days in January. The annual total is 2646.7mm.
What should I pack for San Juan in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧥
Waterproof jacket
Frequent rain expected (24 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Peru 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