Puerto Iguazú weather in December
December in Puerto Iguazú: sweltering, rainy, with clean air — a fair time to visit.
#12 of 12 months in Puerto Iguazú · #430 of 604 destinations to visit in December · comfort 57/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Puerto Iguazú climate normals — December
| Daytime high | 32°C / 90°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 144 mm / 5.7 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 13.7 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Puerto Iguazú in December — FAQ
- Is December a good time to visit Puerto Iguazú?
- December in Puerto Iguazú: sweltering, rainy, with clean air — a fair time to visit. It ranks #12 of 12 months for Puerto Iguazú on SeasonMap's comfort score (57/100).
- What is the weather like in Puerto Iguazú in December?
- In December, Puerto Iguazú averages a daily high of 32°C and a low of 22.4°C, with about 144 mm of rain over roughly 10.6 rainy days.
- What is the air quality in Puerto Iguazú in December?
- Puerto Iguazú has a mean US Air Quality Index of about 34 in December.