Weather in Iguazu in October 2025
Average weather
Average temperature in Iguazu in October
Going from a maximum of +36°C during the day to a minimum of +14°C during the night, the temperature in October averages around +28°C.
The average maximum temperature goes down 9% by the end of the month, compared with the beginning of the month, from +28°C to +26°C.
Is Iguazu warm or cold in October?
Iguazu is typically warm in October.
Maximum temperatures go up compared to the previous month from +26°C to +28°C. The minimum temperature also goes up from +15°C to +18°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how October is compared to other months in Iguazu:
Climate in Iguazu in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +26°C | +28°C | +29°C | ||||
| Min. temperature | ||||||
| +2°C | +6°C | +7°C | ||||
| Max. temperature | ||||||
| +39°C | +40°C | +41°C | ||||
| Rainfall | ||||||
| 152 mm | 208 mm | 165 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 75% | 78% | 76% | ||||
| Air pressure | ||||||
| 1014 HPa | 1011 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 11 | 9 | 9 | ||||
| Cloudy days | ||||||
| 5 | 4 | 3 | ||||
| Rainy days | ||||||
| 12 | 15 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. It’s getting warmer as October arrives. The average maximum temperature goes up from +26°C to +28°C during the day. Prepare for more rain. Average rainfall goes from 152 mm to 208 mm. Humidity rises from 75% to 78%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 11 sunny days in September to 9 in October.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Iguazu is gradually increasing during October, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last October in Iguazu?
Climate Change over Years
The climate in Iguazu in October 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 October a good time to visit Iguazu?
Can you sunbathe in Iguazu in October?
Is Iguazu rainy in October?
Is it sunny in Iguazu in October?
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.