Puerto Iguazú weather in October
October in Puerto Iguazú: hot, soaked, with clean air — a good time to visit.
#10 of 12 months in Puerto Iguazú · #459 of 604 destinations to visit in October · comfort 66/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Puerto Iguazú climate normals — October
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 20°C / 67°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 191 mm / 7.5 in | ⛈ soaked |
| Rainy days | 11 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 19°C / 65°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 12.7 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Puerto Iguazú in October — FAQ
- Is October a good time to visit Puerto Iguazú?
- October in Puerto Iguazú: hot, soaked, with clean air — a good time to visit. It ranks #10 of 12 months for Puerto Iguazú on SeasonMap's comfort score (66/100).
- What is the weather like in Puerto Iguazú in October?
- In October, Puerto Iguazú averages a daily high of 29.5°C and a low of 19.7°C, with about 190.8 mm of rain over roughly 11.4 rainy days.
- What is the air quality in Puerto Iguazú in October?
- Puerto Iguazú has a mean US Air Quality Index of about 42 in October.