Puerto Iguazú Weather
Puerto Iguazú weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Apr, May, Jun, Jul, Aug and Sep.
Puerto Iguazú current weather
Puerto Iguazú now (local time 08:00)
20°C
Drizzle
- Feels like
- 21°
- Humidity
- 95%
- Wind
- 13 km/h
Next 7 days · what to wear
19° – 29°C
Rain likely on 7 of 7 days
👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella.
Puerto Iguazú 14-day forecast
Today
10/4
⛈️
26°
19°
💧100%
Mon
10/5
⛈️
23°
19°
💧98%
Tue
10/6
⛈️
27°
20°
💧71%
Wed
10/7
⛈️
29°
20°
💧65%
Thu
10/8
⛈️
25°
21°
💧84%
Fri
10/9
⛈️
25°
22°
💧95%
Sat
10/10
⛈️
27°
21°
💧85%
Sun
10/11
🌦️
26°
20°
💧49%
Mon
10/12
🌦️
25°
20°
💧77%
Tue
10/13
⛈️
23°
19°
💧82%
Wed
10/14
🌦️
25°
20°
💧69%
Thu
10/15
⛈️
24°
20°
💧37%
Fri
10/16
🌦️
26°
18°
💧27%
Sat
10/17
🌤️
26°
16°
💧22%
Best time to visit Puerto Iguazú
On temperature and rainfall, the most comfortable months in Puerto Iguazú are Apr, May, Jun, Jul, Aug and Sep. The hottest month is February (average high 32°C) and the coldest is July (average low 13°C).
Puerto Iguazú climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 32°C | 24°C | 147 mm | 73% | +11°C |
| Feb | 32°C | 23°C | 129 mm | 72% | +10°C |
| Mar | 32°C | 22°C | 117 mm | 71% | +7°C |
| AprBest | 29°C | 19°C | 124 mm | 74% | +1°C |
| MayBest | 24°C | 15°C | 163 mm | 80% | -7°C |
| JunBest | 22°C | 14°C | 108 mm | 83% | -11°C |
| JulBest | 22°C | 13°C | 85 mm | 80% | -12°C |
| AugBest | 25°C | 14°C | 70 mm | 74% | -10°C |
| SepBest | 27°C | 16°C | 121 mm | 71% | -6°C |
| Oct | 29°C | 20°C | 211 mm | 75% | -2°C |
| Nov | 30°C | 21°C | 159 mm | 73% | +3°C |
| Dec | 32°C | 23°C | 179 mm | 71% | +9°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Puerto Iguazú weather month by month: what to wear
Puerto Iguazú in OctoberThis month
October in Puerto Iguazú is warm to hot: average highs of 29°C and lows of 20°C, around 211 mm of rain (wet) and 75% humidity — about 2°C colder than Hong Kong.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Puerto Iguazú in November
November in Puerto Iguazú is warm to hot: average highs of 30°C and lows of 21°C, around 159 mm of rain (wet) and 73% humidity — about 3°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Puerto Iguazú in December
December in Puerto Iguazú is hot: average highs of 32°C and lows of 23°C, around 179 mm of rain (wet) and 71% humidity — about 9°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Puerto Iguazú in January
January in Puerto Iguazú is hot: average highs of 32°C and lows of 24°C, around 147 mm of rain (some rain) and 73% humidity — about 11°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water.
Puerto Iguazú in February
February in Puerto Iguazú is hot: average highs of 32°C and lows of 23°C, around 129 mm of rain (some rain) and 72% humidity — about 10°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water.
Puerto Iguazú in March
March in Puerto Iguazú is hot: average highs of 32°C and lows of 22°C, around 117 mm of rain (some rain) and 71% humidity — about 7°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Puerto Iguazú in AprilBest month
April in Puerto Iguazú is warm to hot: average highs of 29°C and lows of 19°C, around 124 mm of rain (some rain) and 74% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Puerto Iguazú in MayBest month
May in Puerto Iguazú is pleasantly warm: average highs of 24°C and lows of 15°C, around 163 mm of rain (wet) and 80% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
Puerto Iguazú in JuneBest month
June in Puerto Iguazú is pleasantly warm: average highs of 22°C and lows of 14°C, around 108 mm of rain (some rain) and 83% humidity — about 11°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Puerto Iguazú in JulyBest month
July in Puerto Iguazú is pleasantly warm: average highs of 22°C and lows of 13°C, around 85 mm of rain (some rain) and 80% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Puerto Iguazú in AugustBest month
August in Puerto Iguazú is pleasantly warm: average highs of 25°C and lows of 14°C, around 70 mm of rain (mostly dry) and 74% humidity — about 10°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Puerto Iguazú in SeptemberBest month
September in Puerto Iguazú is warm to hot: average highs of 27°C and lows of 16°C, around 121 mm of rain (some rain) and 71% humidity — about 6°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
FAQ
›What is the best time to visit Puerto Iguazú?
On temperature and rainfall, the most comfortable months in Puerto Iguazú are Apr, May, Jun, Jul, Aug and Sep. The hottest month is February (average high 32°C) and the coldest is July (average low 13°C).
›What's the weather like in Puerto Iguazú in October, and what should I wear?
October in Puerto Iguazú is warm to hot: average highs of 29°C and lows of 20°C, around 211 mm of rain (wet) and 75% humidity — about 2°C colder than Hong Kong. What to wear: Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
›What's the weather like in Puerto Iguazú in November, and what should I wear?
November in Puerto Iguazú is warm to hot: average highs of 30°C and lows of 21°C, around 159 mm of rain (wet) and 73% humidity — about 3°C warmer than Hong Kong. What to wear: T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers; it's wet, so pack a compact umbrella.
›When is the rainy season in Puerto Iguazú?
Puerto Iguazú is wettest in October, with about 211 mm on average, and driest in August, with about 70 mm.
›How cold does Puerto Iguazú get? Does it snow?
The coldest month is July, averaging 22°C by day and 13°C at night. Snow is very unlikely.
Planning a trip to Puerto Iguazú?
More ARG weather
Popular destinations in October
Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: February; coldest: July.