When to go · Puerto Iguazú
Puerto Iguazú in March
Good month. Outside the best window (Apr–May, Aug–Sep). Across Argentina: Good all round: Mendoza harvest festival, Patagonia calmer, Buenos Aires cooling down.
Key facts
- Verdict
- Good
- Temperature
- 31°C (88°F)88°F (31°C) / 19°C (66°F)66°F (19°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Argentina overall
- Prices
- Medium
- Argentina overall
Verdict
Outside the best window (Apr–May, Aug–Sep). Across Argentina: Good all round: Mendoza harvest festival, Patagonia calmer, Buenos Aires cooling down.
Is another month better than March?
March is rated good. These months rate higher:
Weather in March
- Puerto IguazúHighs around 31 °C (88 °F), lows around 19 °C (66 °F), rain on about 9 daysHighs around 88 °F (31 °C), lows around 66 °F (19 °C), rain on about 9 days
- Northeast (Iguazú, Esteros del Iberá), Argentina · Puerto Iguazú, Corrientesfine
Subtropical and wet all year; summer is sticky at 35 °C (95 °F); the falls carry the most water after heavy rains, which can close walkways.Subtropical and wet all year; summer is sticky at 95 °F (35 °C); the falls carry the most water after heavy rains, which can close walkways.
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.
Compare two months
Weather, crowds and prices for any two months in Puerto Iguazú, side by side.
Verdict
Mar: Good
Apr: Great (better)
Daytime high
Mar: 31 °C (88 °F)88 °F (31 °C)
Apr: 28 °C (82 °F)82 °F (28 °C)
Night low
Mar: 19 °C (66 °F)66 °F (19 °C)
Apr: 17 °C (63 °F)63 °F (17 °C)
Rain days
Mar: 9
Apr: 8 (better)
Crowds
Mar: Medium
Apr: Medium
Prices
Mar: Medium
Apr: Medium
Festivals listed
Mar: 1
Apr: 1
March: Outside the best window (Apr–May, Aug–Sep). Across Argentina: Good all round: Mendoza harvest festival, Patagonia calmer, Buenos Aires cooling down.
April: Inside Puerto Iguazú's best window: Apr–May, Aug–Sep.
Puerto Iguazú: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen