グラスゴー 12月の天気
グラスゴーの12月:寒い、雨が多い、空気がきれい — 一年で最も訪れにくい月のひとつ。
2026年9月更新 · ERA5再解析による気候平年値
グラスゴーでは12か月中12位 · 12月に訪れたい旅行先で1413か所中1243位 · 快適スコア46/100(Fランク)
- 日中
- 8°C
- 夜
- 2°C
- 雨の日
- 17
- 日照
- 2.2 h
- 湿度
- 91%
- 日の長さ
- 7 h

12月のグラスゴーについての旅行者の声
近くのオーバンからのメモ(97 km)
グラスゴーには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オーバンについてのメモです。
Forum posters describe December in Oban and the wider Scottish Highlands as cold, damp and short on daylight - on a cloudy, rainy day it can feel like it barely gets light at all. Posters are direct that this isn't the tourist season, with a number of B&Bs and smaller businesses closing for the winter while their owners take their own holiday. Posters visiting nearby islands warn that up to 16 hours of darkness calls for real wet-weather gear, patience for cold and wet conditions, and something to keep you entertained indoors. Posters do note Oban itself holds up better than more remote spots thanks to its shops, bars and restaurants offering somewhere to spend the long evening hours. Posters generally rate December as genuinely challenging weather-wise for Oban, workable as a town base even if outlying island day trips become more of a gamble.
グラスゴーのほかの月
Regulars describe genuinely opposite real experiences within the same month - one visitor's back two weeks were glorious with just a couple of showery days, another reported rain most days of their trip - and are consistent this marks the first real sign of autumn, capable of swinging between warm sunny stretches and pretty severe storms. Our row backs the cool, wet read, 16.7C over 8.4C nights feeling 7C, with a real 94.6mm of rain across 14.5 days. Regulars are reassuring on two fronts at least: it almost certainly won't snow and almost certainly won't exceed 30C, narrowing the real range even if the day-to-day outcome stays a genuine toss-up. The record: humidity 84 percent, 6.7 hours of sun, a 19.5 kph wind and one of the cleanest air readings in this project, AQI 31.
Regulars are candid that this is technically one of Scotland's warmest months yet still genuinely wet, and that the city itself sees more rain than the drier east side of the country - unpredictability that regulars say doesn't stop people coming and having a good time regardless. Our row backs the wet read directly, a real 105mm of rain across a striking 16.9 days, alongside mild warmth, 18.7C reading as 17C, over 10.6C nights. Humidity sits high at 83 percent, giving even a dry hour a damp, cool-feeling edge rather than a crisp one. Regulars' practical takeaway is to plan indoor backups for any single day rather than assume the warmest month means reliably dry. The record: 8.5 hours of sun, an 18.6 kph wind and one of the cleanest air readings in this project, AQI 29.
Regulars offer May as better odds rather than a promise: a fair share of dry, sunny days, longer light than almost any month, and fewer visitors than high summer - but it will rain at some point and nobody can say when or how much. It might be glorious and in the low twenties or cold, wet and windy. Our row sits at the sober end, 16.2C days feeling like 14C over 6.5C nights, with 71.7mm across 12.7 days. The compensation is 16.3 hours of daylight. Layers and a waterproof outer, as ever here. The record: humidity 77 percent, 10 hours of sun, a 17.9 kph wind and AQI 39.
Glasgow-forum threads on June packing are blunt: the weather could be lovely and sunny or could be raining most of the time, and it can shift between the two within a few hours - bright sun, sleet, cloud and bright sun again, all in one afternoon. The standing kit is short and long sleeves both, a lightweight jacket plus a separate waterproof hooded rain jacket, waterproof boots (trainers mean cold wet feet), and a jumper with hat and gloves for anywhere windy. The record matches the unpredictable read more than any single forecast: 18.4C days, 9.6C nights, 93mm of rain across nearly sixteen days and ten hours of sun, against seventeen and a half hours of daylight to actually use between the showers.
地図のグラスゴーのカードから自分のメモを追加できます。
グラスゴーの気候平年値 — 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月のグラスゴーの混雑
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 lights and market、イギリスの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
グラスゴーの天気が良い月
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)。
天気が厳しいグラスゴーの天気がピークを迎えるのは5月〜7月です。
天気が最高天気はまずまず天気が厳しい
12月のグラスゴーのイベント
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
Christmas lights and market
11月15日〜12月31日 · 例年クリスマス・年末年始混雑The lights go on in mid-November and the markets run in George Square and St Enoch until the new year. Dark by four, which flatters the sandstone more than daylight does. 出典 ↗
近くで開催中のイベント
グラスゴーから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。
グラスゴーはどこにある?
12月のグラスゴー — よくある質問
- 12月はグラスゴーを訪れるのに良い時期ですか?
- グラスゴーの12月:寒い、雨が多い、空気がきれい — 一年で最も訪れにくい月のひとつ。SeasonMapの快適スコアでは、グラスゴーの12か月中12位です(46/100)。
- 12月のグラスゴーはどんな天気ですか?
- 12月のグラスゴーは、平均最高気温7.6°C、最低気温1.9°C、降水量は約117.7 mmで、雨の日はおよそ16.5日です。
- 12月のグラスゴーの大気質はどうですか?
- 12月のグラスゴーの米国大気質指数(US AQI)は、平均約33です。
- 12月のグラスゴーは雪が降りますか?
- 12月のグラスゴーの降雪量は、およそ3.9 cmです。
300 km圏内:EdinburghのChristmas market(11月15日〜1月4日ごろ)、KeswickのKeswick Victorian Fayre(12月1日〜10日ごろ)。