Monthly climate guide
Puerto Iguazú weather in May
With highs near 24°C (76°F) and lows around 16°C (60°F), May feels warm in Puerto Iguazú. Rainfall averages about 148 mm (wet) and the sky is often cloudy. Daytime highs are 4°C cooler than April and 3°C warmer than June.
What stands out in May
- Only 2 months are cooler in Puerto Iguazú than May.
- May brings late autumn to Puerto Iguazú — the seasons are reversed south of the equator.
- Compared with San Luis, Puerto Iguazú runs roughly 5°C warmer this month.
Avg high
24°C
76°F
Avg low
16°C
60°F
Rainfall
148 mm
wet
Humidity
80%
relative
Sky
56%
cloud · often cloudy
Puerto Iguazú weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 32°C / 89°F | 23°C / 74°F | 147 mm | 73% | 63% |
| February | 32°C / 89°F | 23°C / 74°F | 139 mm | 73% | 61% |
| March | 31°C / 87°F | 21°C / 70°F | 131 mm | 73% | 51% |
| April | 28°C / 83°F | 19°C / 65°F | 119 mm | 75% | 48% |
| May | 24°C / 76°F | 16°C / 60°F | 148 mm | 80% | 56% |
| June | 22°C / 71°F | 13°C / 56°F | 126 mm | 83% | 57% |
| July | 22°C / 71°F | 13°C / 55°F | 80 mm | 80% | 52% |
| August | 24°C / 76°F | 14°C / 57°F | 77 mm | 74% | 46% |
| September | 28°C / 82°F | 17°C / 62°F | 110 mm | 70% | 51% |
| October | 30°C / 85°F | 20°C / 67°F | 190 mm | 73% | 58% |
| November | 31°C / 87°F | 20°C / 69°F | 149 mm | 71% | 55% |
| December | 32°C / 89°F | 23°C / 73°F | 184 mm | 71% | 64% |
What to pack for May
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is May a good time to visit Puerto Iguazú?
Compare the months in the chart above to find your ideal window.
Best time to visit Puerto Iguazú →Other Argentina cities in May
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Puerto Iguazú weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/argentina/puerto-iguazu/may
<a href="https://weathercompare.eu/weather/argentina/puerto-iguazu/may">Puerto Iguazú weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/argentina/puerto-iguazu" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Puerto Iguazú weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/argentina/puerto-iguazu/may">Puerto Iguazú weather in May</a> – WeatherCompare</p>
Puerto Iguazú in May: quick answers
Is May a good time to visit Puerto Iguazú?
May is one of the wetter months in Puerto Iguazú, with about 148 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Puerto Iguazú in May?
Average highs are about 24°C (76°F) and average lows about 16°C (60°F), based on 10 years of daily data.
Does it rain a lot in Puerto Iguazú in May?
Puerto Iguazú typically gets around 148 mm of rain in May — wet.
Figures are long-term averages for the area around Puerto Iguazú (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.