Weather in Iguazu in July 2025
Average weather
Average temperature in Iguazu in July
Going from a maximum of +28°C during the day to a minimum of +6°C during the night, the temperature in July averages around +23°C.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +26°C to +27°C.
Is Iguazu warm or cold in July?
Iguazu is typically mild in July.
Maximum temperatures go up compared to the previous month from +21°C to +22°C. The minimum temperature also goes up from +13°C to +13°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
July is one of the coolest months in Iguazu, here is the comparison with other months:
Climate in Iguazu in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +21°C | +22°C | +25°C | ||||
| Min. temperature | ||||||
| -1°C | -1°C | 0°C | ||||
| Max. temperature | ||||||
| +30°C | +31°C | +35°C | ||||
| Rainfall | ||||||
| 143 mm | 125 mm | 103 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 85% | 81% | 76% | ||||
| Air pressure | ||||||
| 1017 HPa | 1017 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 11 | 14 | 15 | ||||
| Cloudy days | ||||||
| 7 | 6 | 6 | ||||
| Rainy days | ||||||
| 11 | 10 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as ok as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +21°C to +22°C during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 143 mm to 125 mm. It feels drier, as humidity decreases from 85% to 81%. The average wind speed doesn’t change much during July, staying around 2 m/s. The good news is there are likely to be more sunny days in July, from 11 to 14.
But maybe it is worth considering traveling in August as the weather gets better.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Iguazu is gradually increasing during July, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last July in Iguazu?
Climate Change over Years
The climate in Iguazu in July 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 July a good time to visit Iguazu?
Can you sunbathe in Iguazu in July?
Is Iguazu rainy in July?
Is it sunny in Iguazu in July?
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.