Foz do Iguaçu weather in January
Temperature, rain and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: April – September
What is the weather like in Foz do Iguaçu in January?
In January, Foz do Iguaçu is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 152 mm. On about 21 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is not an ideal month for a holiday in Foz do Iguaçu.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 42 | 39 | 45 |
| Day | 31° | 31° | 31° |
| Night | 22° | 23° | 23° |
| Sun | 6 h | 7 h | 6 h |
| Rain days | 15 | 15 | 14 |
More details for January
- Daylight
- 13 h 34 min06:00 – 19:34
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 54 %on averageAll months
- Hot days
- 21 days30 °C or moreAll months
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 50 %43 %
- Sunshineweight 20 %58 %
- Few rainy daysweight 30 %20 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in January
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Foz do Iguaçu in January: quick answers
Is Foz do Iguaçu hot in January?
Yes. In January, Foz do Iguaçu is hot: daytime highs average 31 °C and nights stay around 23 °C. On about 21 days the thermometer climbs to 30 °C or more.
Does it rain much in Foz do Iguaçu in January?
It rains often – on about 15 days, adding up to 152 mm.
Foz do Iguaçu month by month
The whole year in Foz do IguaçuAll destinations: BrazilWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences