Wetter in Puerto Iguazú im Mai
Mai in Puerto Iguazú: warm, sehr nass, mit sauberer Luft – okay, wenn du damit leben kannst: 11 Regentage.
Aktualisiert: September 2026 · Klimanormalwerte aus der ERA5-Reanalyse
Platz 5 von 12 Monaten in Puerto Iguazú · Platz 958 von 1413 Reisezielen im Mai · Komfort 74/100 (Stufe B)
- Tagsüber
- 25°C
- Nachts
- 15°C
- Regentage
- 11
- Sonne
- 7.5 h
- Luftfeuchte
- 81%
- Tageslicht
- 11 h

Notizen von Reisenden zu Puerto Iguazú im Mai
Puerto Iguazu-forum threads on May weather call it a genuinely strong shoulder-season month, mild afternoons that stay comfortable for a full day of walking the falls trails without the intense heat of peak summer, though mornings and evenings can feel noticeably cooler. Posters are consistent this sits toward the drier stretch of the year, blue skies fairly likely though a shower on any given day can't be ruled out entirely. Regardless of the forecast, posters are unanimous that visitors get genuinely soaked at the main viewpoints and catwalks purely from spray off the falls themselves, ponchos or a three-dollar plastic cover sold locally standard advice either way. Water levels and crowd numbers are both called favorable in May compared to the busier peak holiday stretches. The record: 25.3C days feeling like 26C, 15C nights, 81 percent humidity and 6.9 hours of sun.
Andere Monate in Puerto Iguazú
Puerto Iguazu-forum threads on a June visit describe conditions as genuinely fine, posters calling it a little on the cold side but still nice, with a range roughly between thirteen and twenty-two degrees. Regulars call June through August genuinely the coolest, driest stretch of the year here, several posters naming this the reason conditions feel noticeably different from the humid peak season. Posters call water levels a real concern in June specifically, several regulars warning lower flow can make the falls less dramatic than wetter months. Regulars call fewer crowds and comfortable hiking real upsides of a June visit, several threads naming this a fair tradeoff against reduced water volume. Posters recommend checking recent water-level reports if seeing the falls at full force matters most, several regulars calling this standard given how much flow varies. The record: 23.7C days, 13.2C nights, 120.5mm across nearly 9 days and 81 percent humidity.
Puerto Iguazu-forum threads on an early September visit describe water levels as a genuine question mark this time of year, posters comparing conditions against summer footage to gauge whether boat rides under the falls would still be running strong. Regulars call crowds noticeably lighter in early September compared with peak season, a real advantage for anyone prioritizing space at the main viewpoints. Posters recommend two full days as a solid September stay, enough time to properly cover both the Argentine and Brazilian sides of the falls. Regulars call combining a night in Puerto Iguazu with one across the border in Foz do Iguacu a real option, several posters describing exactly this split-stay approach. Posters recommend booking border-crossing transport ahead regardless of exact dates, logistics here considered smoother with a plan in place. The record: 29.5C days feeling like 32C, 16.3C nights, an extraordinarily high 92.2mm across over 8 days and 74 percent humidity.
Puerto Iguazu-forum threads on trip planning for a March visit describe this as still squarely within the wetter season, posters calling afternoon showers a real possibility most days though rarely enough to derail a full day at the falls. Regulars call the water genuinely powerful this time of year, upstream rainfall keeping volume high across the roughly 275 individual falls in the complex. Regulars recommend the boat ride from the Argentine side for anyone wanting to get properly soaked, a dry change of clothes standing advice. Posters describe mosquito activity as a real concern some years, repellent worth packing regardless of any single forecast. Regulars call the Devil's Throat viewpoint genuinely spectacular with this much water moving through it. Posters recommend a full day for the Argentine side alone given how much trail there is. The record: 31.9C days feeling like a punishing 37C, 20.6C nights, 122.3mm across nearly 12 days and 77 percent humidity.
Puerto Iguazu-forum threads on February conditions are consistent this sits deep within the region's hot, sticky stretch, posters calling humidity itself as much a factor as the raw temperature reading. Regulars describe sun and a sudden downpour as both entirely possible within the same afternoon, the subtropical pattern here shifting fast regardless of forecast. Posters recommend real waterproof gear, a shower able to roll through the walkways with little warning. Regulars call water flow generally strong this time of year, though a heavier system can leave it visibly muddier from red clay soils upstream. Posters recommend March through May for milder, less humid conditions if flexible, February still workable for lush, green surroundings. Regulars call the falls worth the heat and humidity regardless of exact month. The record: 33.1C days feeling like a punishing 38C, 21.4C nights, an extraordinarily high 115.5mm across nearly 12 days and 76 percent humidity.
Schreib deine eigene Notiz – direkt auf der Karte, bei Puerto Iguazú.
Klimanormalwerte Puerto Iguazú – Mai
Monatliche Durchschnittswerte aus der ERA5-Reanalyse. Der AQI ist der mittlere US-Luftqualitätsindex des Monats.
Andrang in Puerto Iguazú im Mai
Wie voll der Ort selbst ist – Schul- und Massenferien, die Monate, die die Redaktion markiert hat, und wie begehrt das Wetter sie macht. Fließt nie in den Komfort-Score ein.
Zwischensaisonein gewöhnlicher Monat(geschätzt)
HochbetriebViel losZwischensaisonRuhig
Die besten Monate fürs Wetter in Puerto Iguazú
Gerankt nach dem Klimakomfort-Score dieses Reiseziels übers Jahr – etwas anderes als der Andrang (siehe Andrang oben).
Ordentliches WetterDie beste Wetterphase in Puerto Iguazú reicht von Juni bis August, am schönsten ist es um den Juli.
Bestes WetterOrdentliches WetterSchwierigstes Wetter
Was ist los in Puerto Iguazú im Mai
Wiederkehrende saisonale Events, Naturschauspiele, Schließungen und Feiertage – kuratiert und mit Quelle.
- Regel
Timed park tickets, bought online
1. Jan. – 31. Dez.Früh buchenThe Argentine side sells a dated, time-slotted ticket online and the park asks you to turn up in your slot. Buying at the gate on a holiday weekend is how people end up losing a morning. Quelle ↗
- Eröffnung
Full moon walk to the Garganta
1. Jan. – 31. Dez.Sternenhimmel-SaisonFrüh buchenThe park runs a night train and walkway trip to the Devil's Throat only on the nights around each full moon, sold separately and months ahead. It is called off when the river runs too high. Quelle ↗
In der Nähe ist was los
Im Umkreis von 300 km um Puerto Iguazú – ein Tagesausflug oder ein kurzer Abstecher – mit etwas, das diesen Monat los ist. Fließt nie in den Komfort-Score ein.
Wo liegt Puerto Iguazú?
Puerto Iguazú im Mai – häufige Fragen
- Ist der Mai eine gute Reisezeit für Puerto Iguazú?
- Mai in Puerto Iguazú: warm, sehr nass, mit sauberer Luft – okay, wenn du damit leben kannst: 11 Regentage. Beim Komfort-Score von SeasonMap liegt der Monat für Puerto Iguazú auf Platz 5 von 12 (74/100).
- Wie ist das Wetter in Puerto Iguazú im Mai?
- Im Mai liegen die Tageshöchstwerte in Puerto Iguazú im Schnitt bei 25.3°C und die Tiefstwerte bei 15°C, mit rund 153.2 mm Regen an etwa 10.6 Regentagen.
- Wie ist die Luftqualität in Puerto Iguazú im Mai?
- Puerto Iguazú hat im Mai einen mittleren US-Luftqualitätsindex (AQI) von etwa 24.
Im Umkreis von 300 km: Foz do Iguaçu: Timed park tickets, booked online, 1. Jan. – 31. Dez..