ヤクーツク 12月の天気
ヤクーツクの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
ヤクーツクでは12か月中12位 · 12月に訪れたい旅行先で1413か所中1390位 · 快適スコア25/100(Fランク)
- 日中
- -34°C
- 夜
- -39°C
- 雨の日
- 1
- 日照
- 1.1 h
- 湿度
- 70%
- 日の長さ
- 5 h

12月のヤクーツクについての旅行者の声
Forum posters describe December in Yakutsk, one of the coldest permanently inhabited cities on Earth, with matter-of-fact bluntness - one visitor specifically reported outside temperatures of -38C during their trip. Posters comparing regional Siberian cities note Yakutsk runs slightly colder than some other Far Eastern District destinations, with December and February both mentioned as common windows for a deliberate cold-extremes trip here. Posters consistently recommend booking any tours well in advance rather than trying to arrange them on arrival, since availability for a specific December date can be limited. Posters generally treat Yakutsk's brutal winter cold as the whole point of visiting this time of year, not a deterrent - though it demands serious cold-weather gear regardless of how prepared a visitor feels.
ヤクーツクのほかの月
Forum posters describe February conditions in Yakutsk as brutally cold, with one visitor specifically citing -38C outside during a February visit, and posters generally describing the sky as staying gray through the depths of winter. Posters are direct that most tourists visit Yakutsk in summer for good reason, since winter here can swing as low as -50C, a genuine extreme even by Siberian standards. Posters do point to the city's famous Kingdom of Permafrost attraction - an underground ice cave carved into the permafrost - as a definitive highlight regardless of season, arguably even more atmospheric in the depths of winter. Posters generally rate February as an extreme-cold, specialist destination rather than a casual winter city break, full extreme-cold gear considered essential.
Yakutsk forum regulars keep repeating the same defining fact for any summer month here: can have +30° summers and -50° winters, a genuinely extreme range that makes August still solidly warm even as it's the back half of the short Siberian summer. Visitors researching the season find both summer and winter tours offered by local operators, confirming August sits comfortably within the viable travel window rather than a shoulder month. Daylight stays generous this far north even past the solstice. Our record: 21.5°C days, 12°C nights, 9.2 rain days and 15.9 hours of daylight — warm and bright, continuing the same reversal pattern already on file for June: a city built on permafrost running genuinely warm in summer.
Yakutsk markets itself on the extreme — it could be minus fifty in winter, and in summer the temperature reaches plus thirty outside — and June sits inside that summer swing, warm enough that visitor guides warn you may feel like you're in a sauna on the hottest days, a genuine surprise for a city built on permafrost. The other thing every guide mentions: near-endless daylight this far north, and a mosquito and gnat population thick enough that a headnet is standard packing advice alongside sun protection. Our record: 24.9°C days, 12.9°C nights and 19.5 hours of daylight — warm and bright, the reversal that makes Yakutsk's climate worth a note on both ends of the year.
地図のヤクーツクのカードから自分のメモを追加できます。
ヤクーツクの気候平年値 — 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月のヤクーツクの混雑
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。
混雑New Year holidays、主な訪問国のうち5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
ヤクーツクの天気が良い月
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)。
天気が厳しいヤクーツクの天気がピークを迎えるのは6月〜8月です。
12月はDeep winter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月のヤクーツクのイベント
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。
- 休業
No crossing at freeze and break-up
10月15日〜12月10日 · 例年For several weeks each autumn, and again in May, the Lena carries loose ice: too broken for the ferry, too thin to drive on. The highway east simply stops, and hovercraft or a flight is the only way across. 出典 ↗
- 季節
Deep winter
11月20日〜3月5日 · 例年厳寒The coldest city of its size anywhere, built on permafrost with its buildings up on piles and its pipes above ground. Cars are left running outside shops, phones die in minutes, and the fog you see is the town's own breath.
- オープン
Lena ice road
12月15日〜4月15日 · 例年氷のシーズンThere is no bridge over the Lena anywhere in Sakha, so once the ice is thick enough the river becomes the road and the trucks run supplies out over it. Driving on a marked lane across a kilometres-wide river is ordinary here. 出典 ↗
- 祝日
New Year holidays
12月31日〜1月8日 · 例年国民の祝日休業早めの予約をThe longest break of the Russian year: usually the first eight days of January or more are non-working. Offices, banks and many services close, while trains, flights and hotels fill with holidaying families at peak fares. 出典 ↗
ヤクーツクはどこにある?
12月のヤクーツク — よくある質問
- 12月はヤクーツクを訪れるのに良い時期ですか?
- ヤクーツクの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、ヤクーツクの12か月中12位です(25/100)。
- 12月のヤクーツクはどんな天気ですか?
- 12月のヤクーツクは、平均最高気温-34.4°C、最低気温-39.2°C、降水量は約3.4 mmで、雨の日はおよそ1.3日です。
- 12月のヤクーツクの大気質はどうですか?
- 12月のヤクーツクの米国大気質指数(US AQI)は、平均約32です。
- 12月のヤクーツクは雪が降りますか?
- 12月のヤクーツクの降雪量は、およそ8.2 cmです。