Weather in San Juan in October
San Juan, Argentina averages a high of 25.7°C (78.3°F) and low of 12.2°C (54°F) in October, with 3 rain days and 12.1 hours of daily sunshine. Travel score: 94.1/100 (Excellent). The best time to visit San Juan is November.
High
26°C78°F
Low
12°C54°F
🌧️
3
rain days
☀️
12.1
hrs/day sunshine
💧
45%
humidity
94— Excellent
October in San Juan is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in San Juan?
How much does it rain in San Juan in October?
San Juan receives an average of 18.6mm of rainfall across 3 rainy days in October. The annual total is 164.2mm.
What should I pack for San Juan in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 14°C from day to night
Traveling to Argentina in October?
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