Weather in Iguazu in January 2025
Average weather
Average temperature in Iguazu in January
Going from a maximum of +36°C during the day to a minimum of +17°C during the night, the temperature in January averages around +31°C.
The average maximum temperature goes down 42% by the end of the month, compared with the beginning of the month, from +36°C to +28°C.
Is Iguazu warm or cold in January?
Iguazu is typically hot in January.
Maximum temperatures go up compared to the previous month from +31°C to +31°C. The minimum temperature also goes up from +21°C to +21°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
January is one of the warmest months in Iguazu, here is the comparison with other months:
Climate in Iguazu in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +31°C | +30°C | ||||
| Min. temperature | ||||||
| +10°C | +12°C | +11°C | ||||
| Max. temperature | ||||||
| +40°C | +40°C | +38°C | ||||
| Rainfall | ||||||
| 196 mm | 191 mm | 180 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 77% | 80% | 81% | ||||
| Air pressure | ||||||
| 1009 HPa | 1009 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 7 | 4 | 4 | ||||
| Cloudy days | ||||||
| 3 | 2 | 2 | ||||
| Rainy days | ||||||
| 18 | 21 | 19 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as ok as in December. The temperature levels stay the same in the area of +31°C for average maximum temperature during the day. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 196 mm to 191 mm. Humidity rises from 77% to 80%. The average wind speed doesn’t change much during January, staying around 1 m/s. The days becoming less sunny, going from 7 sunny days in December to 4 in January.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Iguazu is gradually decreasing during January, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last January in Iguazu?
Climate Change over Years
The climate in Iguazu in January has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+26°C) and the highest in 2020 (+28°C). The driest year was 2020 with only 1219 mm of rainfall, and the wettest year was 1983 with 3257 mm.
FAQ
Is January a good time to visit Iguazu?
Can you sunbathe in Iguazu in January?
Is Iguazu rainy in January?
Is it sunny in Iguazu in January?
Other cities in Argentina
Monthly weather in Iguazu
Source of the data
For this page, we’ve looked at the typical weather in Iguazu, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.