Weather in San Juan in May
San Juan, Argentina averages a high of 19.5°C (67.1°F) and low of 7.8°C (46°F) in May, with 2 rain days and 9.6 hours of daily sunshine. Travel score: 87.3/100 (Excellent). The best time to visit San Juan is November.
High
20°C67°F
Low
8°C46°F
🌧️
2
rain days
☀️
9.6
hrs/day sunshine
💧
61%
humidity
87— Excellent
May in San Juan is mild and dry — excellent conditions for exploring.
What are the average temperatures in San Juan?
How much does it rain in San Juan in May?
San Juan receives an average of 9mm of rainfall across 2 rainy days in May. The annual total is 164.2mm.
What should I pack for San Juan in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to Argentina in May?
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