Nature escape

Foz do Iguaçu weather in May

Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

73

Holiday weather in May

Good

Best time to visit: April – September

What is the weather like in Foz do Iguaçu in May?

In May, Foz do Iguaçu is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 144 mm in total. All in all, May is a good month for a holiday in Foz do Iguaçu.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score757371
Day27°23°22°
Night19°15°14°
Sun6 h4 h4 h
Rain days999

More details for May

Daylight
10 h 54 min07:08 – 18:01
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
8 daysdew point 18 °C or moreAll months
Wind
13 km/haverage daily peakAll months
Cloud cover
52 %on averageAll months
Hot days
1 day30 °C or moreAll months
Time zone
UTC−3America/Sao_Paulo

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %20 %
  • Few rainy daysweight 30 %64 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.

What to pack in May

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Foz do Iguaçu in May: quick answers

Is Foz do Iguaçu hot in May?

Warm rather than hot: in May, daytime highs in Foz do Iguaçu average 23 °C and nights cool to about 15 °C.

Does it rain much in Foz do Iguaçu in May?

Rain is frequent, with about 9 rainy days and 144 mm in total.

Foz do Iguaçu month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences