When to go · Puerto Iguazú
Puerto Iguazú in December
Good month. Outside the best window (Apr–May, Aug–Sep). Across Argentina: Patagonia summer starts; book flights early; Christmas and New Year fill everything.
Key facts
- Verdict
- Good
- Temperature
- 31°C (88°F)88°F (31°C) / 20°C (68°F)68°F (20°C)
- average high / low
- Rain days
- 10
- Crowds
- High
- Argentina overall
- Prices
- High
- Argentina overall
Verdict
Outside the best window (Apr–May, Aug–Sep). Across Argentina: Patagonia summer starts; book flights early; Christmas and New Year fill everything.
Is another month better than December?
December is rated good. These months rate higher:
Weather in December
- Puerto IguazúHighs around 31 °C (88 °F), lows around 20 °C (68 °F), rain on about 10 daysHighs around 88 °F (31 °C), lows around 68 °F (20 °C), rain on about 10 days
- Northeast (Iguazú, Esteros del Iberá), Argentina · Puerto Iguazú, Corrienteshot
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.
Crowds and prices
- Crowds · Argentina overall
- High
- Prices · Argentina overall
- High
Argentina overall: Patagonia summer starts; book flights early; Christmas and New Year fill everything.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Puerto Iguazú, side by side.
Verdict
Dec: Good
Apr: Great (better)
Daytime high
Dec: 31 °C (88 °F)88 °F (31 °C)
Apr: 28 °C (82 °F)82 °F (28 °C)
Night low
Dec: 20 °C (68 °F)68 °F (20 °C)
Apr: 17 °C (63 °F)63 °F (17 °C)
Rain days
Dec: 10
Apr: 8 (better)
Crowds
Dec: High
Apr: Medium
Prices
Dec: High
Apr: Medium
Festivals listed
Dec: 0
Apr: 1
December: Outside the best window (Apr–May, Aug–Sep). Across Argentina: Patagonia summer starts; book flights early; Christmas and New Year fill everything.
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
- A rain jacket or umbrella and shoes that dry fast