When to go · Foz do Iguaçu
Foz do Iguaçu in December
Avoid month. Listed as a month to avoid: Dec–Feb (hot and rainy).
Key facts
- Verdict
- Avoid
- Temperature
- 33°C (91°F)91°F (33°C) / 19°C (66°F)66°F (19°C)
- average high / low
- Rain days
- 9
- Crowds
- High
- Brazil overall
- Prices
- High
- Brazil overall
Verdict
Listed as a month to avoid: Dec–Feb (hot and rainy).
Is another month better than December?
December is rated avoid. These months rate higher:
Weather in December
- Foz do IguaçuHighs around 33 °C (91 °F), lows around 19 °C (66 °F), rain on about 9 daysHighs around 91 °F (33 °C), lows around 66 °F (19 °C), rain on about 9 days
- South and Iguaçu, Brazil · Foz do Iguaçu, Florianópolis, Gramadohot
Hot summers, cool winters with frost in the highlands; the falls are fullest after rains, most often in summer.
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.
Christmas big impact
25 Dec · Brazil
Family holiday; summer travel peak starts.
Crowds and prices
- Crowds · Brazil overall
- High
- Prices · Brazil overall
- High
Brazil overall: Summer rains start; New Year's Eve on Copacabana fills Rio; book everything early.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Foz do Iguaçu, side by side.
Verdict
Dec: Avoid
Mar: Great (better)
Daytime high
Dec: 33 °C (91 °F)91 °F (33 °C)
Mar: 31 °C (88 °F)88 °F (31 °C)
Night low
Dec: 19 °C (66 °F)66 °F (19 °C)
Mar: 18 °C (64 °F)64 °F (18 °C)
Rain days
Dec: 9
Mar: 9
Crowds
Dec: High
Mar: Medium
Prices
Dec: High
Mar: Medium
Festivals listed
Dec: 1
Mar: 1
December: Listed as a month to avoid: Dec–Feb (hot and rainy).
March: Inside Foz do Iguaçu's best window: Mar–May, Aug–Nov.
Foz do Iguaçu: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen