Foz do Iguaçu weather in August
August in Foz do Iguaçu: warm, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Foz do Iguaçu · #231 of 604 destinations to visit in August · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Foz do Iguaçu climate normals — August
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 82 mm / 3.2 in | 🌧 rainy |
| Rainy days | 6 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 9 h/day | |
| Daylight | 11.2 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Foz do Iguaçu?
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Foz do Iguaçu in August — FAQ
- Is August a good time to visit Foz do Iguaçu?
- August in Foz do Iguaçu: warm, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Foz do Iguaçu on SeasonMap's comfort score (83/100).
- What is the weather like in Foz do Iguaçu in August?
- In August, Foz do Iguaçu averages a daily high of 25.2°C and a low of 15.1°C, with about 82.2 mm of rain over roughly 6.4 rainy days.
- What is the air quality in Foz do Iguaçu in August?
- Foz do Iguaçu has a mean US Air Quality Index of about 33 in August.