At Iguaçu you get wet whether it rains or not. The spray at the Devil's Throat and the boat rides under the falls soak you through, and with 32°C (90°F) highs in January and February plus the humidity, you won't dry out fast. Pack for water, not just weather.
Foz do Iguaçu weather by month
Daily high and low (°C), and days with rainSee the numbers
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High | 32°C90°F | 32°C90°F | 31°C88°F | 27°C81°F | 25°C77°F | 23°C73°F | 22°C72°F | 24°C75°F | 28°C82°F | 28°C82°F | 30°C86°F | 31°C88°F |
| Low | 22°C72°F | 23°C73°F | 22°C72°F | 19°C66°F | 16°C61°F | 14°C57°F | 13°C55°F | 14°C57°F | 17°C63°F | 19°C66°F | 20°C68°F | 21°C70°F |
| Rain days | 14 | 15 | 13 | 12 | 10 | 10 | 7 | 8 | 9 | 12 | 13 | 15 |
Season by season
Summer
December–FebruaryHot, humid and wet. Highs are 31–32°C (88–90°F), lows 21–23°C (70–73°F), and there are 14 to 15 rain days a month. Light quick-dry clothes, a rain shell and a waterproof bag for your phone are the kit.
Autumn
March–MayStill hot in March at 31°C (88°F), easing to 25°C (77°F) by May, with 10 to 13 rain days a month. The humidity drops as the season goes on. Pack summer clothes plus a light layer for May evenings, when lows reach 16°C (61°F).
Winter
June–AugustThe mildest and driest stretch, with highs of 22–24°C (72–75°F) and 7 to 10 rain days a month. Mornings get cool, with lows of 13–14°C (55–57°F), so bring a fleece for early starts at the park gates and for after the boat ride, when wet clothes feel colder.
Spring
September–NovemberHeats up fast, from 28°C (82°F) in September to 30°C (86°F) in November, and the rain builds from 9 to 13 days a month. Mosquitoes come back with the heat, so pack repellent along with the rain gear.
What to bring to Foz do Iguaçu
0 of 22 packed- Nite Ize RunOff Waterproof Packing CubeBags & Luggage
Its waterproof zipper is rated to 1 m for 30 minutes, so your phone and passport ride out the boat trip under the falls dry.
The spray at the Devil's Throat soaks anything absorbent, and a light, packable shell is easy to carry on a 32°C (90°F) day.
Waterproof, light and small enough to stuff in a pocket between the viewpoints, which beats a cotton hoodie that stays wet all afternoon.
- Sawyer 20% Picaridin Insect Repellent Lotion, 4 ozHealth & Safety
20% picaridin rated up to 12 hours against mosquitoes, which covers a full day in the park and dinner outside after.
- Crocs Classic ClogFootwear & Shoe Care
Croslite foam doesn't care about water, so these handle the boat ride, the wet walkways and the hotel pool without a soggy shoe at the end.
- Peak Design Everyday Backpack Zip 20LBags & Luggage
Weather sealing around the zips matters here, because the spray finds its way into ordinary backpacks fast.
- Hydro Flask 24 oz Wide Mouth Bottle with Flex Straw CapWater Bottles & Hydration
Cold water for 24 hours in 32°C (90°F) humidity, with a straw cap you can sip from on the walkways.
Its EU plug fits Brazil's Type C sockets, but check the voltage first, because some outlets in Foz run at 220V.
Clothing
- Quick-dry shirts · 4Falls spray soaks you through
- Quick-dry shorts · 2
- Swimwear · 1Under clothes for the boat ride
- Light sweater · 1Jun–Aug lows of 13–14°C
- Spare dry outfit · 1Change after the boat ride
Footwear
- Quick-dry walking sandals with straps · 1 pairWet walkways at the Devil's Throat
Gear
- Waterproof phone pouch
- Wide-brim sun hat
- Sunglasses
Health and toiletries
- SunscreenHighs of 32°C in Jan–Feb
- Hand sanitizer
Documents and money
- PassportNeeded to cross to Argentina
- Credit card and some cash
- Travel insurance
What shoes should you pack for Foz do Iguaçu?
The trails on both the Brazilian and Argentine sides are paved paths and metal walkways, and the spray keeps them wet and slippery. Bring sneakers with grip that you don't mind soaking, or clogs for the boat ride. Pack a dry pair for the evening.
What do people wear in Foz do Iguaçu?
Pure practical. Quick-dry shorts or light trousers, a T-shirt and a rain shell or poncho are what everyone at the falls wears. Wear a swimsuit under your clothes for the boat trip. In town it's casual, and shorts and sandals are fine at most restaurants.
What plugs does Foz do Iguaçu use?
Brazil uses Type C and N sockets. Foz do Iguaçu is mostly 127V, but some outlets are 220V, so check before plugging in. Type C plugs, the two thin round pins, fit both socket types.
Tours and things to do in Foz do Iguaçu
Packed and ready? Browse guided tours, day trips and tickets for Foz do Iguaçu.
What should you leave at home for Foz do Iguaçu?
Leave anything that can't get wet in the hotel, or seal it up. Skip the umbrella at the falls, because the spray comes from every direction and you'll want your hands free on the walkways. And don't carry snacks in an open bag, the coatis along the trails will go straight for it.
Packing for Foz do Iguaçu: questions people ask
What should I wear to Iguazu Falls?
Quick-dry clothes, a rain shell or poncho and shoes that can get wet. The spray soaks you on the walkways even on a dry day.
Will I get wet at Iguaçu Falls?
Yes. At the Devil's Throat and on the boat rides you'll get soaked, so keep your phone and passport in a waterproof bag.
What is the weather like in Foz do Iguaçu?
Hot and humid most of the year, with highs of 27–32°C (81–90°F) from September to April. June and July are cooler, at 22–23°C (72–73°F).
Do I need my passport for the Argentine side?
Yes. Getting to the Argentine side of the falls means crossing the border through immigration, so bring your passport.
Do I need insect repellent in Foz do Iguaçu?
Yes, especially from September to April when it's hot and humid. Mosquitoes are common around the park and in town.
Prices change often — the price on the retailer’s page is the one you pay.