Foz do Iguassu Weather!

The annual average temperature in Foz do Iguassu is 23.8°C, but can be as high as 47°C in the summer (highest) or as low as -5°C  in the winter (lowest).

The average in the summer is 26.5°C and in the winter 15.4°C.

The Foz do Iguassu climate is generally hot or warm throughout the year, due to the relatively low altitude but in spring and summer rain and thunderstorms is fairly common.