プエルト・イグアス 4月の天気
プエルト・イグアスの4月:暑い、雨が多い、空気がきれい — 訪れるのにとても良い時期。
2026年9月更新 · ERA5再解析による気候平年値
プエルト・イグアスでは12か月中6位 · 4月に訪れたい旅行先で1413か所中1015位 · 快適スコア72/100(Bランク)
- 日中
- 29°C
- 夜
- 18°C
- 雨の日
- 8
- 日照
- 9.1 h
- 湿度
- 77%
- 日の長さ
- 12 h

4月のプエルト・イグアスについての旅行者の声
Puerto Iguazu-forum threads on April weather call it a genuinely favorable month, one visitor describing a comfortable Saturday followed by a warmer, more humid Sunday within the same weekend, underscoring how much conditions can shift day to day even in a generally good month. Posters are consistent water flow at the falls depends far more on upstream rain in southern Brazil than on local weather, so a calm local forecast says little about how full the falls will actually run. The subtropical setting means there's no true dry season here, some rain possible in any month, though April is repeatedly named milder and less intense than peak summer. Regulars call April a strong overall pick, cooler than summer without yet reaching the cold snaps that can arrive by midwinter. The record: 28.9C days feeling like a punishing 31C, 18.2C nights, a notably high 126mm across 8.3 days and 77 percent humidity.
プエルト・イグアスのほかの月
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.
地図のプエルト・イグアスのカードから自分のメモを追加できます。
プエルト・イグアスの気候平年値 — 4月
ERA5再解析による月平均値です。AQIはその月の平均US AQI(米国大気質指数)です。
4月のプエルト・イグアスの混雑
その場所自体の混み具合 — 学校休暇や大型連休、編集部がタグ付けした月、そして天気の良さによる人気の高さ。快適スコアには含まれません。
混雑Semana Santa(推定)
ピークの混雑混雑ショルダーシーズン閑散
プエルト・イグアスの天気が良い月
この旅行先自身の一年間の快適スコアでランキングしています — 混み具合とは別のものです(上の「混雑」を参照)。
天気はまずまずプエルト・イグアスの天気がピークを迎えるのは6月〜8月で、特に良いのは7月ごろです。
天気が最高天気はまずまず天気が厳しい
4月のプエルト・イグアスのイベント
毎年の季節のイベント、自然の見どころ、休業、祝日 — 厳選し出典を明記しています。
- ルール
Timed park tickets, bought online
1月1日〜12月31日早めの予約をThe 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. 出典 ↗
- オープン
Full moon walk to the Garganta
1月1日〜12月31日星空シーズン早めの予約をThe 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. 出典 ↗
- 祝日
Semana Santa
4月2日〜5日イースター・聖週間混雑早めの予約を休業Holy Thursday and Good Friday make one of the year's biggest long weekends. Banks and public offices close, long-distance buses and domestic flights sell out, and hotels in popular towns fill at higher rates, so book ahead. 出典 ↗
- 休業
Garganta walkway shut in flood
11月1日〜4月30日 · 例年リスクSummer rain upriver can put the Iguazu over the catwalk to the Devil's Throat balcony, and the circuit shuts until the flow drops. It has stayed shut for weeks after the worst of them. 出典 ↗
近くで開催中のイベント
プエルト・イグアスから300 km以内 — 日帰りやちょっとした移動で行けて、今月何かがある場所です。快適スコアには含まれません。
プエルト・イグアスはどこにある?
4月のプエルト・イグアス — よくある質問
- 4月はプエルト・イグアスを訪れるのに良い時期ですか?
- プエルト・イグアスの4月:暑い、雨が多い、空気がきれい — 訪れるのにとても良い時期。SeasonMapの快適スコアでは、プエルト・イグアスの12か月中6位です(72/100)。
- 4月のプエルト・イグアスはどんな天気ですか?
- 4月のプエルト・イグアスは、平均最高気温28.9°C、最低気温18.2°C、降水量は約125.6 mmで、雨の日はおよそ8.3日です。
- 4月のプエルト・イグアスの大気質はどうですか?
- 4月のプエルト・イグアスの米国大気質指数(US AQI)は、平均約26です。
300 km圏内:Foz do IguaçuのTimed park tickets, booked online(1月1日〜12月31日)。