ウィニペグ 12月の天気
ウィニペグの12月:極寒、雨が少ない、空気がきれい — おすすめできない時期(氷点下をかなり下回る寒さ)。
2026年9月更新 · ERA5再解析による気候平年値
ウィニペグでは12か月中11位 · 12月に訪れたい旅行先で1413か所中1350位 · 快適スコア31/100(Fランク)
- 日中
- -6°C
- 夜
- -13°C
- 雨の日
- 6
- 日照
- 4.3 h
- 湿度
- 79%
- 日の長さ
- 8 h

12月のウィニペグについての旅行者の声
Winnipeg forum regulars don't soften December: cold and usually there is a fair amount of snow, one of the snowiest months, snow falling roughly one out of three days, with readings “around -20°C” typical. Outside the city, conditions turn genuinely severe — the lakes are frozen, the countryside is flat and white and it is usually extremely cold, with most rural tourist attractions shuttered for the season and winter driving specifically flagged as something that needs real experience. Inside the city, the Christmas-New Year stretch is called brightly lit and festive, with restaurants and events running through the cold regardless, plus skating and skiing as the standard cold-weather activities. Our record: -5.3°C days, -13.7°C nights, 28.3cm of snow and a 20.4kph wind — genuinely severe winter cold, matching the “extremely cold, city stays lively, countryside shuts down” read.
ウィニペグのほかの月
Regulars call this a genuinely weird month, capable of amazing warm weather or, just as plausibly, cold conditions with lingering snow, no reliable way to know which version a trip will get. Our row backs that mild, still-changeable read, 19.7C over 7.7C nights feeling 4C, with 76.5mm of rain across 7.5 days and a trace of very late snow, 0.4cm, matching regulars' honest sense that snow this late isn't unheard of. Regulars are specific that many tourist attractions outside the city don't open until the May long weekend, worth checking before planning a day trip early in the month. Layers covering a genuinely wide range remain the standard advice regardless of which week a visit lands on. The record: humidity 60 percent, 11.1 hours of sun, a 21.8 kph wind and AQI 45.
Regulars name this the best month to visit, and the reasoning is specific: cool and temperate rather than summer-hot, with far fewer bugs and the season's fall colour already starting by mid-month. Our row backs the temperate read, 20.8C reading as 19C over 10.8C nights, with 67.3mm of rain across 6.9 days and a real 21.9 kph wind. Layers are the standing advice - warm enough by day, a fleece or jacket earning its place once evening comes. For the colour itself they point to the river parks specifically: Assiniboine Park, Kildonan Park, The Forks and Birds Hill Park, all named repeatedly as the places to walk for it rather than anywhere in the city at random. The record: humidity 69 percent, 8.9 hours of sun and AQI 42.
Manitobans joke that the province has two seasons, winter and mosquito, and then give the practical version: May and June are the peak of the biting insects and mid-July into early August has far fewer of them, along with warm days and long evenings. That window is also the festival season - jazz, Fringe, Folklorama, and the rodeos out of town - so the calendar and the insects point the same way. Our row gives 26.8C days over 16.4C nights, 12.9 hours of sun inside 15.8 of daylight, and 69.6mm of rain across 9.1 days. The record: humidity 68 percent, a 18.9 kph wind and AQI 57.
August is the back half of Winnipeg's short hot season - July and August are when it regularly pushes past 30C, against our row's 25.6C average high - and it is the month regulars recommend for the combination of warm weather, long evenings and noticeably fewer biting insects than June. The local joke is that Manitoba has two seasons, winter and mosquito, and the honest version is that it depends entirely on where you are and what the recent weather has done; visitors report Augusts with no bugs at all. The calendar is the other reason to come: Folklorama runs late July into early August, with the Fringe and the Folk Festival in the same stretch. The record: 14.9C nights, 7.2 precipitation days carrying 74.3mm, 11.3 hours of sun and 14.4 hours of daylight.
地図のウィニペグのカードから自分のメモを追加できます。
ウィニペグの気候平年値 — 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月のウィニペグの混雑
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 Day closures、カナダのWinter / Christmas break、主な訪問国のうち2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
ウィニペグの天気が良い月
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)。
天気が厳しいウィニペグの天気がピークを迎えるのは6月〜8月です。
12月はDeep cold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月のウィニペグのイベント
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
Deep cold
12月15日〜2月20日 · 例年厳寒Weeks at a time below minus twenty with a wind off the prairie behind it, which is why downtown is connected by tunnels and skywalks. Cars are plugged in overnight here as a matter of course. 出典 ↗
- 祝日
Christmas Day closures
12月24日〜1月1日クリスマス・年末年始休業Christmas Day is a statutory holiday nationwide: most shops, museums and many restaurants close and transit runs a holiday schedule. Boxing Day brings sales crowds to the malls where it is kept, and 1 January is another quiet, mostly closed day. 出典 ↗
- 季節
Snow season
スキーシーズンAbout 37 cm of snow falls in the month.
気候の平年値から算出
ウィニペグはどこにある?
12月のウィニペグ — よくある質問
- 12月はウィニペグを訪れるのに良い時期ですか?
- ウィニペグの12月:極寒、雨が少ない、空気がきれい — おすすめできない時期(氷点下をかなり下回る寒さ)。SeasonMapの快適スコアでは、ウィニペグの12か月中11位です(31/100)。
- 12月のウィニペグはどんな天気ですか?
- 12月のウィニペグは、平均最高気温-6.2°C、最低気温-13.4°C、降水量は約28.8 mmで、雨の日はおよそ5.9日です。
- 12月のウィニペグの大気質はどうですか?
- 12月のウィニペグの米国大気質指数(US AQI)は、平均約32です。
- 12月のウィニペグは雪が降りますか?
- 12月のウィニペグの降雪量は、およそ36.9 cmです。