ボローニャ 12月の天気
ボローニャの12月:寒い、ときどき雨、蒸し暑い — 訪れるのにまずまずの時期。
2026年9月更新 · ERA5再解析による気候平年値
ボローニャでは12か月中12位 · 12月に訪れたい旅行先で1413か所中1006位 · 快適スコア58/100(Dランク)
- 日中
- 9°C
- 夜
- 1°C
- 雨の日
- 9
- 日照
- 5.1 h
- 湿度
- 85%
- 日の長さ
- 9 h

12月のボローニャについての旅行者の声
近くのフィレンツェからのメモ(80 km)
ボローニャには12月のメモがまだありません — これは季節を共にする近くのフィレンツェについてのメモです。
Florence forum regulars describe December with a specific split: “if it's sunny during the day it can heat up, but if it's wet it's frigid, and at night it can go below freezing.” Typical daytime readings sit around 11°C, nights near 2-3°C, with short days and genuine rain risk — waterproof coat, umbrella and sensible shoes for wet cobblestones are standard advice. The reward for the cold and wet: walking straight up to the Uffizi and the Accademia with no line, and the stretch between Christmas and New Year described as magical, decorated and noticeably quieter than peak season. One practical note: many businesses close for the holiday week itself (roughly December 23-January 6), though museums and major attractions stay open. Our record: 11.5°C days, 4.5°C nights, 15.4 rain days, 0.4cm of snow and just 4.6 hours of sun — cold and genuinely wet, matching the “frigid when wet” read.
ボローニャのほかの月
Regulars call mid-month genuinely pleasant, still warm and importantly dry, while flagging this as one of the two shoulder months, alongside April, that reliably offer milder weather even though rain becomes a real possibility as the month wears on. Our row backs that mild, increasingly wet read, 20.5C over 11.1C nights, with 73.3mm of rain across 9.2 days and humidity at 78 percent. Regulars are consistent that evenings cool down noticeably by late October, dropping toward the high single digits Celsius, enough that a real jacket replaces the light layers mid-month allows. This remains a genuinely comfortable month for exploring the porticoes and Piazza Maggiore without summer's heat. The record: 7.6 hours of sun, an 11.2 kph wind and AQI 43.
Asked whether June is too hot for this region, regulars split the month in two: the beginning can be hot by day but not unbearably so, and never in the evening or at night, while the second half is usually too hot. Our row averages 29.8C reading as 32C at 62 percent humidity, over 17.5C nights, with 54.6mm of rain across 7.7 days - a monthly average sitting between their two halves. The city's own answer to heat is structural: something like forty kilometres of portici, the arcades roofing most streets, so the centre can be crossed in shade whatever the sun is doing. They add that humidity is worse out by the river than in town. The record: 13 hours of sun, an 11.8 kph wind and AQI 52.
Regulars warn that the two ends of April are different months here - cold at the start, especially at night, and into the twenties by the close - which our row carries as 19.4C days over 7.6C nights that feel like 5C. They concede the rain, a fair amount of it though less than March, and then give the answer the city was built with: the porticoes run through the whole centre, so wet weather is far less of an obstacle here than anywhere comparable. They were raised to shelter traders and walkers from rain and sun alike. Our 56.7mm falls across 9 days. The record: humidity 68 percent, 10.3 hours of sun, a 13.7 kph wind and AQI 45.
May in Bologna is warm without the July and August heat, and the city is at its liveliest with the students still up - though regulars are split, because some Mays turn out cold and wet. Our row explains the disagreement: 120.9mm across 12.4 precipitation days makes May one of the wettest months of the Bologna year, sitting under a pleasant 23.4C. The consolation is architectural rather than meteorological, and it is the reason this city handles rain better than most - nearly forty kilometres of porticoes, so a wet day is walkable. The end of May into June is when they say it turns near-perfect. Comfortable shoes is the other standing advice. The record: 12.4C nights, humidity 71 percent and 10.9 hours of sun.
地図のボローニャのカードから自分のメモを追加できます。
ボローニャの気候平年値 — 12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。
12月のボローニャの混雑
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Christmas markets、イタリアのChristmas holidays、主な訪問国のうち6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
ボローニャの天気が良い月
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)。
天気が厳しいボローニャ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
12月のボローニャのイベント
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。
- 季節
Po valley fog
11月1日〜2月15日 · 例年霧のシーズンリスクThe nebbia settles on the plain for days at a time and takes the hills, the airport slots and the view from the Asinelli tower with it. The porticoes are the reason the city still works in it.
- 祭り
Christmas markets
11月25日〜1月6日クリスマス・年末年始混雑The nativity-figure stalls under the portico of Santa Maria dei Servi and the Santa Lucia market have run for centuries; the centre is busiest on the weekends before 8 December. 出典 ↗
近くで開催中のイベント
ボローニャから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。
ボローニャはどこにある?
12月のボローニャ — よくある質問
- 12月はボローニャを訪れるのに良い時期ですか?
- ボローニャの12月:寒い、ときどき雨、蒸し暑い — 訪れるのにまずまずの時期。SeasonMapの快適スコアでは、ボローニャの12か月中12位です(58/100)。
- 12月のボローニャはどんな天気ですか?
- 12月のボローニャは、平均最高気温8.6°C、最低気温1.1°C、降水量は約68.3 mmで、雨の日はおよそ9日です。
- 12月のボローニャの大気質はどうですか?
- 12月のボローニャの米国大気質指数(US AQI)は、平均約54です。
- 12月のボローニャは雪が降りますか?
- 12月のボローニャの降雪量は、およそ2.6 cmです。
300 km圏内:FlorenceのOlive harvest and new oil(10月25日〜12月10日ごろ)、San MarinoのChristmas of Wonders(11月22日〜1月6日ごろ)。