Foz do Iguaçu weather in January
January in Foz do Iguaçu: sweltering, soaked, with clean air — a good time to visit.
#11 of 12 months in Foz do Iguaçu · #395 of 604 destinations to visit in January · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Foz do Iguaçu climate normals — January
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 151 mm / 6 in | ⛈ soaked |
| Rainy days | 16 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 13.5 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Foz do Iguaçu?
Loading map…
Foz do Iguaçu in January — FAQ
- Is January a good time to visit Foz do Iguaçu?
- January in Foz do Iguaçu: sweltering, soaked, with clean air — a good time to visit. It ranks #11 of 12 months for Foz do Iguaçu on SeasonMap's comfort score (61/100).
- What is the weather like in Foz do Iguaçu in January?
- In January, Foz do Iguaçu averages a daily high of 31.6°C and a low of 24°C, with about 151.2 mm of rain over roughly 16 rainy days.
- What is the air quality in Foz do Iguaçu in January?
- Foz do Iguaçu has a mean US Air Quality Index of about 28 in January.