マイアミ 4月の天気
マイアミの4月:暑い、ときどき雨、空気がきれい — 一年で最も訪れやすい月のひとつ。
2026年9月更新 · ERA5再解析による気候平年値
マイアミでは12か月中1位 · 4月に訪れたい旅行先で1413か所中102位 · 快適スコア92/100(Sランク)
- 日中
- 28°C
- 夜
- 22°C
- 雨の日
- 4
- 日照
- 11.4 h
- 湿度
- 71%
- 日の長さ
- 13 h

マイアミの4月のようす
The last comfortable month: warm, mostly dry, and much quieter once the students have gone.
shoulder
確度:high
4月のマイアミについての旅行者の声
Two answers on this board converge on the same week. Spring break runs the first three weeks of March and is over by April, and the ocean by then is warm enough for nearly everyone - so late April is the month's best value, warm water and the crowd gone. Their one hedge is that the sea is never over 80F in April; our column says 27.2C, a fraction above that ceiling, so treat it as the top of the range rather than the middle. Air is 28.2C reading as 30C over 22.1C nights, with the dry season still holding at 52.4mm across 3.7 days and 11.4 hours of sun. A 22.2 kph sea breeze does the rest. The record: humidity 71 percent and AQI 50.
マイアミのほかの月
Regulars name a specific turning point rather than a gradual shift: the rainy season effectively ends by mid-month, after which skies stay mostly sunny with much lower humidity than earlier in the year. Our row backs the pleasant, still-warm read, 27.7C reading as 29C, over 21.2C nights, with 108.1mm of rain across 6.1 days - a real total, but regulars describe any rain as a quick shower rather than a sustained soak this late in the season. Regulars are consistent that coming later in the month specifically is the better call, since hurricane season is winding down and the bulk of holiday crowds don't arrive until mid-December. A light sweater is still worth packing for an unexpected cool front or aggressive indoor air conditioning. The sea holds a warm 26C. The record: 9.2 hours of sun, a 20.9 kph wind and AQI 42.
Regulars call this a genuinely reliable month - sunny, low humidity, little rain - with the one real variable being whether a cold front from the north pushes through during the visit. Our row backs the pleasant baseline, 25.9C reading as 27C, over 19.3C nights, with 58.6mm of rain across just 3.1 days. Regulars are specific about what a front actually does here: at worst it knocks daytime highs into the high 60s to low 70s Fahrenheit with wind, and nights into the 50s, a real but short-lived dip rather than a lasting cold snap. A recurring aside is indoor air conditioning running cold enough to want a layer at dinner even on a warm day outside. The sea sits at 25C. The record: 9.9 hours of sun, a 21.5 kph wind and AQI 46.
Florida-forum threads on June weather are blunt about the pattern and relaxed about its consequences: it is very hot, but less humid than July and August, and you can almost count on a short spell of rain most days - usually 10 to 15 minutes, sometimes an hour, rolling through in the late afternoon and cooling the air. Locals warn forecasts beyond 24 hours are close to useless, rain can soak one street and miss the next, and the beach side usually fares better. One poster notes hurricane season has officially begun but tropical systems rarely show before late July. June's record: 31C days, 25.3C nights, humidity around 81 percent, 299mm across 13.6 precipitation days, a 30.3C sea and 10.7 hours of sun.
Miami forum threads describe January as generally pleasant, with average highs in the mid-70s Fahrenheit, but posters were clear that a passing cold front can drop things into the 60s and make it feel genuinely chilly and windy for a day or two before it clears. Rain does happen - forum users cited it falling on roughly a quarter of January days - but showers were described as typically short rather than washing out a whole day. Ocean water was flagged as noticeably cooler this time of year, high 60s to low 70s, fine for some but a real adjustment for anyone expecting summer-warm swimming; the consistent advice was to pack a light layer for evenings and any cold-front days.
通年のメモはマイアミの概要ページにあります。 地図のマイアミのカードから自分のメモを追加できます。
マイアミの気候平年値 — 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月のマイアミの混雑
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。
混雑繁忙期の合間、Dry season
ピークの混雑混雑ショルダーシーズン閑散
マイアミの天気が良い月
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)。
天気が最高マイアミの天気がピークを迎えるのは2月〜4月です。
4月にはSea turtle nestingがあります。
天気が最高天気はまずまず天気が厳しい
4月のマイアミのイベント
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。
- 自然
Sea turtle nesting
3月1日〜10月31日Loggerheads, greens and the occasional leatherback nest along the county's beaches, which is why beachfront lighting is shaded and nests are marked off at dawn. 出典 ↗
- 季節
Dry season
11月1日〜4月30日混雑The half of the year with low humidity, little rain and the whole northern hemisphere trying to be here. It is also when the rates double.
近くで開催中のイベント
マイアミから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。
マイアミはどこにある?
4月のマイアミ — よくある質問
- 4月はマイアミを訪れるのに良い時期ですか?
- マイアミの4月:暑い、ときどき雨、空気がきれい — 一年で最も訪れやすい月のひとつ。SeasonMapの快適スコアでは、マイアミの12か月中1位です(92/100)。
- 4月のマイアミはどんな天気ですか?
- 4月のマイアミは、平均最高気温28.2°C、最低気温22.1°C、降水量は約52.4 mmで、雨の日はおよそ3.7日です。
- 4月のマイアミの大気質はどうですか?
- 4月のマイアミの米国大気質指数(US AQI)は、平均約50です。
300 km圏内:Fort LauderdaleのSea turtle nesting(3月1日〜10月31日)、Everglades National ParkのWading bird nesting(12月1日〜4月15日ごろ)。