8.5· 166 reviews
Iguazú Falls Argentine Side Tour
Explore the stunning Iguazú Falls on the Argentine side. Discover the most spectacular area of this natural wonder and enjoy the amazing views!
7 h
from US$ 44
Short answer
The best time to visit Foz do Iguaçu is from March to September. The most comfortable month is July, with highs of 24 °C (75 °F) and 121 mm of rain over 7 days. October is the rainiest month (204 mm over 10 days), and the summer peak is the high season, with higher prices and big crowds.
Source: INMET (updated 2026)
When to go
Best time to visit, month by month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best window: March to September More rain / less comfortable Comfort index · INMET (updated 2026)
Foz do Iguaçu month by month
Temperature and rainfall averages from INMET (updated 2026). The verdict combines thermal comfort and rainfall. Tap a month to see the weather, crowds, prices and what is going on in detail.
| Month | High / Low | Rain | Rainy days | Verdict |
|---|---|---|---|---|
| January | 33° / 22° | 166 mm | 10 | Fair |
| February | 32° / 22° | 180 mm | 10 | Fair |
| March | 31° / 21° | 150 mm | 8 | Fair |
| April | 29° / 18° | 149 mm | 7 | Good |
| May | 25° / 15° | 166 mm | 8 | Good |
| June | 24° / 14° | 145 mm | 8 | Good |
| July ★ | 24° / 13° | 121 mm | 7 | Good |
| August | 26° / 14° | 97 mm | 8 | Good |
| September | 28° / 16° | 163 mm | 9 | Good |
| October | 30° / 19° | 204 mm | 10 | Fair |
| November | 31° / 19° | 165 mm | 9 | Fair |
| December | 32° / 21° | 194 mm | 8 | Fair |
Best month
July
Driest month
August
Avoid (more rain)
October
Tours and tickets
Things to do in Foz do Iguaçu
Where to stay
Hotels in Foz do Iguaçu
July is the best month and also falls in the high season in Foz do Iguaçu: the top-rated hotels fill up and rates rise close to the date. Book your room as soon as you have settled on your dates.
Rates change with the dates: confirm the price on Booking.com.
The weather in Foz do Iguaçu throughout the year
The March to September window brings together the most comfortable months in Foz do Iguaçu: less rain and pleasant temperatures. July is usually the best month, with highs of 24 °C (75 °F), lows of 13 °C (55 °F) and only about 7 days of rain in the month: good conditions for enjoying outdoor attractions with less risk of downpours.
Summer. In summer (December to February), Foz do Iguaçu has highs of around 32 °C (90 °F) and lows of 22 °C (72 °F), and it is the wetter season, with about 180 mm of rain spread over about 9 days a month. The days are hot and call for beach time and shade.
Fall. In fall (March to May), Foz do Iguaçu has highs of around 28 °C (82 °F) and lows of 18 °C (64 °F), and it is the wetter season, with about 155 mm of rain spread over about 8 days a month. The days are hot and call for beach time and shade.
Winter. In winter (June to August), Foz do Iguaçu has highs of around 25 °C (77 °F) and lows of 14 °C (57 °F), and it is the wetter season, with about 121 mm of rain spread over about 8 days a month. Temperatures are pleasant for sightseeing all day.
Spring. In spring (September to November), Foz do Iguaçu has highs of around 30 °C (86 °F) and lows of 18 °C (64 °F), and it is the wetter season, with about 177 mm of rain spread over about 9 days a month. The days are hot and call for beach time and shade.
What to avoid
There are two periods to think twice about before booking. October is usually the rainiest month, so anyone who prioritizes sun should avoid it. The other is high season (New Year's Eve, Carnival and the July school break), when attractions fill up and prices rise; if you want peace and savings, choose weeks without public holidays. None of this rules out the trip, but it changes the experience and the cost quite a bit.