Weather in San Juan in August
San Juan, Peru averages a high of 29.6°C (85.3°F) and low of 22.7°C (72.9°F) in August, with 20 rain days and 9.9 hours of daily sunshine. Travel score: 67.1/100 (Good). The best time to visit San Juan is August.
High
30°C85°F
Low
23°C73°F
🌧️
20
rain days
☀️
9.9
hrs/day sunshine
💧
88%
humidity
67— Good
August in San Juan is hot and 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 August?
San Juan receives an average of 144.6mm of rainfall across 20 rainy days in August. The annual total is 2646.7mm.
What should I pack for San Juan in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧥
Waterproof jacket
Frequent rain expected (20 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Peru in August?
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