コモ 12月の天気
コモの12月:寒い、ときどき雨、蒸し暑い — 訪れるのに良い時期。
2026年9月更新 · ERA5再解析による気候平年値
コモでは12か月中12位 · 12月に訪れたい旅行先で1413か所中956位 · 快適スコア61/100(Cランク)
- 日中
- 9°C
- 夜
- 1°C
- 雨の日
- 5
- 日照
- 5.4 h
- 湿度
- 81%
- 日の長さ
- 9 h

12月のコモについての旅行者の声
コモのほかの月
Regulars are specific this counts as one of the hotter, more humid months here, the lake itself providing some relief compared to inland Italy though genuinely real heat still builds through the day. Our row backs that hot, genuinely wet read, 28.6C reading as a scorching 32C, over 18.9C nights feeling 21C, with a substantial 138.4mm of rain across 10 days and humidity at 71 percent. Regulars are consistent thunderstorms can roll through the surrounding mountains and clear again quickly, comparisons with nearby Lake Garda and Lake Maggiore a common forum topic since conditions can genuinely differ lake to lake on the same day. Late June through September all get debated as the better window depending on crowd tolerance. The record: 12.6 hours of sun, a 10.3 kph wind and AQI 53.
Regulars split this month into three: early August is delightful and not yet crowded, the week around the 15th - Ferragosto, Italy's big summer holiday - is the worst for both heat and crowds, and late August eases back on both fronts. Our row backs the heat throughout, 28.2C reading as a real 32C at 71.7 percent humidity, with 154.7mm of rain across 8.6 days - regulars describe those storms as spectacular electric ones that leave the air refreshed afterward rather than just a nuisance. This is high season everywhere on the lake, and one visitor calls August the worst month to travel in Italy generally, for the combined heat, crowds and prices - though the lake itself stays swimmable and beautiful whichever week you land in. The record: 11.6 hours of sun, a 10 kph wind and AQI 50.
The June forecast here reads worse than the month does, and regulars explain why: it is sunny with isolated thunderstorms rather than grey with rain. The storms are heavy, short, spectacular and usually in the evening, so the days survive them. Our row shows exactly that shape - 149.6mm falling across only 10 days, fifteen millimetres apiece, under 12.4 hours of sun inside 15.7 of daylight. Temperatures push towards 30C on their account and our average high is 26.7C, with 17.2C nights. On crowds they place late June and July at the top of the season, still short of August, with Bellagio and Varenna busiest at weekends and public holidays. The record: humidity 72 percent and a 10.3 kph wind.
April on Lake Como is variable and regulars will not promise more than that: a good chance of rain, genuinely cold early mornings and evenings at the start of the month, and sun that does turn up. Our row's 17.6C day over an 8C night reads as 16C and 6C, and carries 103.2mm across only 9 precipitation days - about eleven millimetres a wet day, so the rain here arrives in quantity rather than as drizzle. The practical dividing line is the season itself, which starts nearer the end of the month around Easter: ferries run a limited winter timetable until a fuller one appears a few days into April. Without a car, Varenna is the base they name, on the train line and well served by boat. The 0.3cm of snow in our row is the mountains above the lake. The record: humidity 69 percent, 10.1 hours of sun and AQI 50.
地図のコモのカードから自分のメモを追加できます。
コモの気候平年値 — 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月のコモの混雑
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Citta dei Balocchi light festival、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
コモの天気が良い月
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)。
天気が厳しいコモ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。
12月はLake floods the lakefrontと重なります。
天気が最高天気はまずまず天気が厳しい
12月のコモのイベント
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。
- 要注意
Lake floods the lakefront
10月1日〜12月15日 · 例年洪水シーズン休業Autumn rain lifts the lake over the walls into Piazza Cavour most years, which is why the city has spent two decades building barriers. Walkways go down and the lakefront cafes shut for days. 出典 ↗
- 季節
Winter: the villages close
11月10日〜3月15日オフシーズンの休業休業Villas, most lakeside hotels and the smaller ferry stops shut, and the mid-lake villages go quiet. Como city itself is a working town and does not.
- 祭り
Citta dei Balocchi light festival
11月23日〜1月6日 · 例年クリスマス・年末年始混雑Projections onto the cathedral and the old town walls, markets and a rink from late November to Epiphany. It is the one reason the town is busy when the boats have stopped. 出典 ↗
近くで開催中のイベント
コモから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。
コモはどこにある?
12月のコモ — よくある質問
- 12月はコモを訪れるのに良い時期ですか?
- コモの12月:寒い、ときどき雨、蒸し暑い — 訪れるのに良い時期。SeasonMapの快適スコアでは、コモの12か月中12位です(61/100)。
- 12月のコモはどんな天気ですか?
- 12月のコモは、平均最高気温8.7°C、最低気温1.1°C、降水量は約63.4 mmで、雨の日はおよそ5.1日です。
- 12月のコモの大気質はどうですか?
- 12月のコモの米国大気質指数(US AQI)は、平均約53です。
- 12月のコモは雪が降りますか?
- 12月のコモの降雪量は、およそ9.9 cmです。
300 km圏内:MilanのSant'Ambrogio and Oh Bej! Oh Bej!(12月5日〜10日)、LivignoのLa Sgambeda(12月8日〜18日ごろ)。