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Climate · Puerto Iguazú

Puerto Iguazú in May

Warm and damp, as the days shorten.

Typical weather, averaged over 30 years

May in Puerto Iguazú is warm: highs near 77°F, lows near 60°F. Rain falls on about two days a week, and the days shorten by 27 minutes from the first week to the last.May in Puerto Iguazú is warm: highs near 25°C, lows near 16°C. Rain falls on about two days a week, and the days shorten by 27 minutes from the first week to the last.

High
77°F25°Caverage
Low
60°F16°Caverage
Wet days
2a week · 30% of days
Daylight
10h 53mon average

Is May a good time to visit Puerto Iguazú?

Yes. May is one of Puerto Iguazú's best months (May to August).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How May sits in the year

week by week

Temperature

Highs near 77°F in May, against 74°F to 90°F through the year.Highs near 25°C in May, against 23°C to 32°C through the year.

Chance of a wet day

30% of days in May, against 23% to 55% through the year.

Cloud cover

41% cover in May, against 35% to 50% through the year.

Daylight

10h 53m in May, against 10h 34m to 13h 43m through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. April85°29°low 67°low 19°2 wet days a weekRain on about two days a week.
  2. May77°25°low 60°low 16°2 wet days a weekRain on about two days a week.
  3. June74°23°low 58°low 14°2 wet days a weekRain on about two days a week.

Where Puerto Iguazú sits, in May

America/Argentina/Cordoba
this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
7:08 AMsets 6:01 PM
Above the sea
200 mlow-lying
Latitude
25.6°Ssouthern hemisphere
Nearest of ours
Buenos Aires1066 km south

The land around Puerto Iguazú, shaded by its typical high in May, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Argentina in May

high · low · wet days
See May on the planning mapThe whole year in Puerto Iguazú

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Puerto Iguazú. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.