When to go · San Juan
San Juan in March
Great month. Inside San Juan's best window: Mar–May, Sep–Nov.
Key facts
- Verdict
- Great
- Temperature
- 31°C88°F / 16°C61°F
- average high / low
- Rain days
- 3
- Crowds
- Medium
- Argentina overall
- Prices
- Medium
- Argentina overall
Verdict
GreatBest and avoid months for San Juan
Inside San Juan's best window: Mar–May, Sep–Nov.
Weather in March
- San JuanHighs around 31 °C, lows around 16 °C, rain on about 3 daysHighs around 88 °F, lows around 61 °F, rain on about 3 days
- Cuyo (Mendoza and the high Andes), Argentina · Mendoza, San Juan, Aconcaguabest weather
Dry and sunny; harvest (vendimia) in March; the pass to Chile can close with snow in June–September.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Semana Santa big impact
Easter (Thu–Fri; 25–26 Mar 2027) · Argentina
Domestic travel peak; buses and flights full.
Crowds and prices
- Crowds · Argentina overall
- Medium
- Prices · Argentina overall
- Medium
Argentina overall: Good all round: Mendoza harvest festival, Patagonia calmer, Buenos Aires cooling down.
What to pack
- Light, breathable clothes, a sun hat and sunscreen