ミラノ 3月の天気
ミラノの3月:涼しい、ときどき雨 — 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
ミラノでは12か月中6位 · 3月に訪れたい旅行先で1413か所中715位 · 快適スコア75/100(Bランク)
- 日中
- 15°C
- 夜
- 5°C
- 雨の日
- 8
- 日照
- 8.8 h
- 湿度
- 70%
- 日の長さ
- 12 h

3月のミラノについての旅行者の声
Regulars are specific that this month calls for real layers - a cotton sweater and jacket plus an umbrella - since a t-shirt only makes sense on a rare, brightly sunny day rather than as a general bet. Our row backs the cool, damp read, 14.9C over 4.7C nights feeling 2C, with 78.3mm of rain across 8.4 days and only a bare trace of possible snow, 0.9cm, consistent with regulars calling real snow this time of year essentially a non-issue here. Regulars are candid that Milan's weather generally resists prediction, though April is named as typically warmer with its own reputation for rain. The record: humidity 70 percent, 8.8 hours of sun, an 11.4 kph wind and AQI 74.
ミラノのほかの月
The June question on this board is air conditioning, and the answer is that it is far from standard in Italy - check the listing and then check the reviews, because a room without it is a different holiday. Our row gives 28.8C reading as 30C over 18C nights, which is hot rather than extreme, at 67 percent humidity. The rain is the part visitors underestimate: 113.4mm across 10.8 days, more than May's, arriving as storms that the boards say tend to come at night and early morning rather than through the sightseeing day. Sunshine is generous at 12.8 hours inside 15.6 of daylight. The record: a dew point of 15.3C, an 11.2 kph wind and AQI 71.
Regulars put May here in the mid-twenties, warn that the evenings still want a jumper, and say rain is always a possibility. Our row makes that last point firmer than they do: 145.3mm across 15.3 days, so rain falls on half the days of the month, usually as afternoon and evening storms off the plain rather than as grey drizzle. Days reach 22.8C and read as 23C at 71 percent humidity, over 13C nights. The packing answer they give is the right one - short sleeves, long trousers, something warm for after dark, and an umbrella that lives in the bag. Daylight is 14.9 hours with 10.9 of sun. The record: a dew point of 11.3C, an 11.6 kph wind and AQI 62.
September in Milan is still hot by day - mid-20s, with the worst of the summer gone - and cool enough in the evening for a cardigan, with a folding umbrella as the standing recommendation. The date that dominates the month is Fashion Week in late September, when hotel prices run three or four times normal and, at the top end, past a thousand a night near the Duomo. The crowding is more selective than you would expect: regulars describe the Duomo square and the Galleria as busy when the sun is out and the rest of the city much as usual. Our row's 122.7mm over 10.8 days is why the umbrella. The record: 25.3C days that feel like 27C, 15.1C nights and 10 hours of sun.
Milan forum threads describe January as cold and damp, with daytime highs typically in the mid-40s Fahrenheit, frequent fog, and real snow a genuine possibility though not a given. Posters singled out the late-January stretch, around the 30th-31st, as typically the coldest days of the whole year in the city. The universal packing advice was a proper hat, coat, gloves and an umbrella for the damp - but posters also noted that heating indoors runs very warm, so layering matters both ways: light clothing works fine inside shops and hotels, with the heavy coat reserved for stepping back out.
ミラノの気候平年値 — 3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。
3月のミラノの混雑
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。
ピークの混雑Fashion Week, autumn collections、Milano Marathon、主な訪問国のうち4か国で学校休暇(推定)
ピークの混雑混雑ショルダーシーズン閑散
ミラノの天気が良い月
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)。
天気はまずまずミラノの天気が最も良いのは4月、5月、9月です — ひと続きのシーズンではなく、別々の時期です。
天気が最高天気はまずまず天気が厳しい
3月のミラノのイベント
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。
- 祭り
Carnevale Ambrosiano
2月10日〜3月12日 · 例年カーニバルMilan keeps the Ambrosian rite, so its carnival ends on the Saturday after everyone else's Ash Wednesday. Children in costume around the Duomo and a parade that is entirely a local affair. 出典 ↗
- 祭り
Fashion Week, autumn collections
2月24日〜3月2日芸術祭混雑早めの予約をSix days of shows split between the Montenapoleone streets and the Tortona sheds. Hotels in the centre reprice for it and a taxi at show times is not findable. 出典 ↗
- 祭り
Milano Marathon
3月28日〜4月14日 · 例年スポーツイベント休業混雑A flat course through the centre and the western districts on a Sunday in early April, with a relay that puts thousands of teams on the road. The streets inside the ring close for the morning. 出典 ↗
近くで開催中のイベント
ミラノから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。
ミラノはどこにある?
3月のミラノ — よくある質問
- 3月はミラノを訪れるのに良い時期ですか?
- ミラノの3月:涼しい、ときどき雨 — 訪れるのにとても良い時期。SeasonMapの快適スコアでは、ミラノの12か月中6位です(75/100)。
- 3月のミラノはどんな天気ですか?
- 3月のミラノは、平均最高気温14.9°C、最低気温4.7°C、降水量は約78.3 mmで、雨の日はおよそ8.4日です。
- 3月のミラノの大気質はどうですか?
- 3月のミラノの米国大気質指数(US AQI)は、平均約74です。
300 km圏内:ComoのVilla gardens and full boat timetable(3月20日〜11月5日ごろ)、LuganoのCamellias and magnolias(3月10日〜4月15日ごろ)。