When to go · San Juan
San Juan in January
Avoid month. Listed as a month to avoid: Dec–Feb (35–40 °C days), and the summer holiday weeks.Avoid month. Listed as a month to avoid: Dec–Feb (95–104 °F days), and the summer holiday weeks.
Key facts
- Verdict
- Avoid
- Temperature
- 35°C95°F / 20°C68°F
- average high / low
- Rain days
- 4
- Crowds
- High
- Argentina overall
- Prices
- High
- Argentina overall
Verdict
Listed as a month to avoid: Dec–Feb (35–40 °C days), and the summer holiday weeks.Listed as a month to avoid: Dec–Feb (95–104 °F days), and the summer holiday weeks.
Weather in January
- San JuanHighs around 35 °C, lows around 20 °C, rain on about 4 daysHighs around 95 °F, lows around 68 °F, rain on about 4 days
- Cuyo (Mendoza and the high Andes), Argentina · Mendoza, San Juan, Aconcaguahot
Dry and sunny; harvest (vendimia) in March; the pass to Chile can close with snow in June–September.
Crowds and prices
- Crowds · Argentina overall
- High
- Prices · Argentina overall
- High
Argentina overall: Peak summer holidays: Patagonia at its best but booked out, Buenos Aires hot and half-empty, Northwest rainy.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen