Best time to visit Iguazú Falls
December through February are when the heat, the rain and the humidity spike – but so do the falls, which reach their roaring peak, soaking everyone in sight with spray.![]()
It’s hard to have everything at once, so when choosing the best time to go to Iguazú Falls, you’ll need to consider if the most powerful water, clear skies or access to the island and walking trails are your priority. In the rainy southern summer, San Martin Island and the rainforest trails may be unreachable. Jan, Feb and Easter bring vacationing locals, and can get extremely busy; midweek is also quieter than weekends. The April-Jun dry season is lovely; sunlight brings butterflies and rainbows in the spray. Aug-Sep are also dry but much cooler, this is great for more active hikes or bike rides. Visit in the early morning when the sunlight catches the spray.
Iguazú falls Weather Chart
MIN °C
MAX °C
RAIN (mm)
JAN
20
32
166
FEB
20
31
148
MAR
19
31
122
APR
16
27
149
MAY
12
24
154
JUN
10
21
146
JUL
10
22
109
AUG
11
24
123
SEP
13
25
134
OCT
15
28
182
NOV
17
30
168
DEC
18
32
134
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Iguazú Falls travel advice
Laura Rosales, from our partner Say Hueque, shares her Iguazú travel advice:
“Both Argentinean and Brazilian sides are beautiful! But there are some slight differences. The Argentinean side of the falls cover 70 percent of both parks, so you will need a full day to visit this side. You will find that the park has different levels that you can walk and discover as well as an ecological train that covers a major part of the circuit of this park. The Brazilian side can be done in half a day, as the circuit is shorter but from this side you will get amazing panoramic views of the Argentinean side and also get up close to the famous ‘Devil`s Throat’.”
“Both Argentinean and Brazilian sides are beautiful! But there are some slight differences. The Argentinean side of the falls cover 70 percent of both parks, so you will need a full day to visit this side. You will find that the park has different levels that you can walk and discover as well as an ecological train that covers a major part of the circuit of this park. The Brazilian side can be done in half a day, as the circuit is shorter but from this side you will get amazing panoramic views of the Argentinean side and also get up close to the famous ‘Devil`s Throat’.”
Packing tips
“When you visit the park, it is always good to carry extra clothes and a towel. The strength of the waterfalls makes a constant mist! Also sunglasses, hat and sunscreen. It can be very hot during the day. If you decide to walk all the paths in the Park, at the end of the day will have walked 7 km, so make sure to wear adequate footwear. Not flip flops! Carrying insect repellent on all tours is very important; have it handy to use after sweating or getting wet.”
Advice on when to go
“Iguazú Falls is a destination that you can visit all year round. Our best recommendation is going during mid-season (from July to October and from February to April); during this period the weather is great and the park is not too crowded with tourists. November, December and January is peak season; sometimes the paths of the park could be a little bit crowded and you`ll have to do queue for everything.”
Learn about the culture
Yamila Barba, tour leader for our partner, Intrepid Travel:
“I really recommend you see The Misson. It's a film from 1986 that explains what happened to the native people in the area of the waterfalls - the Guaraní. The film has really special music when they show all of the waterfalls. It doesn't really have a happy ending, but it's nice to understand what happened when the Spanish came to this area - and especially to South America. What happened when they met the native people and the fight between the Portuguese empire and the Spanish empire, fighting for the land... The music won a lot of different awards – it’s perfect music for the waterfalls.”
“I really recommend you see The Misson. It's a film from 1986 that explains what happened to the native people in the area of the waterfalls - the Guaraní. The film has really special music when they show all of the waterfalls. It doesn't really have a happy ending, but it's nice to understand what happened when the Spanish came to this area - and especially to South America. What happened when they met the native people and the fight between the Portuguese empire and the Spanish empire, fighting for the land... The music won a lot of different awards – it’s perfect music for the waterfalls.”
Iguazú Falls HOLIDAYS TRAVEL ADVICE
At Responsible Travel, we think the best people to advise our travelers are often... other travelers. They always return from our tours with packing tips, weather reports, ideas about what to do - and opinions about what not to.
We have selected some of the most useful Iguazú Falls travel advice that our guests have provided over the years to help you make the very most of your vacation.
We have selected some of the most useful Iguazú Falls travel advice that our guests have provided over the years to help you make the very most of your vacation.
I fulfilled a childhood dream of seeing the Iguazú Falls from both sides. Plenty of water in the river (4million litres per second!) and managed to fly over them in a helicopter and experience them up close in a Rib boat...![]()
– Roland Cherry
“I fulfilled a childhood dream of seeing the Iguazú Falls from both sides. Plenty of water in the river (4million litres per second!) and managed to fly over them in a helicopter and experience them up close in a Rib boat. At Iguazú, make sure you are the time to visit the Itaipu dam on the Brazilian side. Not without controversy in the 1970s when it was built, it is an engineering marvel and we were lucky enough to see one of the spillways open with 10 million litres/ sec of water shooting out. Above all, take your time and try not to do too much in one trip.” – Roland Cherry
“The most memorable or exciting part of my vacation? Probably viewing Iguazú Falls. There are totally "wow"... I have never seen such amazing falls and just didn't want to leave even though I viewed from the Argentina and Brazilian side...” – Gillian Mason on a South America coast to coast tour
“The most memorable or exciting part of my vacation? Probably viewing Iguazú Falls. There are totally "wow"... I have never seen such amazing falls and just didn't want to leave even though I viewed from the Argentina and Brazilian side...” – Gillian Mason on a South America coast to coast tour
There are totally "wow"... I have never seen such amazing falls and just didn't want to leave even though I viewed from the Argentina and Brazilian side...![]()
– Gillian Mason
“It would have been nice to know when taking the Grand boat trip at the Iguazú Falls that you're going to be wet all over. Nobody told us and we didn't have any changing clothes or at least swim suits with us. So the rest of the tour we had to proceed in wet clothes which made it a little awkard.” – Nadja Weidmann
“One day at the Argentinian side of Iguazú Falls and only a few hours in the Brazilian side is sufficient. Would recommend to spend a bit more on hotels in… Iguazú Falls as the standard varies.” – Linda Hoffmann
“One day at the Argentinian side of Iguazú Falls and only a few hours in the Brazilian side is sufficient. Would recommend to spend a bit more on hotels in… Iguazú Falls as the standard varies.” – Linda Hoffmann
More Iguazu Falls articles
All the information you need on visiting one of South America's greatest natural spectacles.
