ヴァンヴィエン 8月の天気
ヴァンヴィエンの8月:猛暑、大雨続き、空気がきれい — おすすめできない時期(雨の日30日)。
2026年9月更新 · ERA5再解析による気候平年値
ヴァンヴィエンでは12か月中12位 · 8月に訪れたい旅行先で1413か所中1278位 · 快適スコア44/100(Fランク)
- 日中
- 29°C
- 夜
- 23°C
- 雨の日
- 30
- 日照
- 6.2 h
- 湿度
- 92%
- 日の長さ
- 13 h

8月のヴァンヴィエンについての旅行者の声
Vang Vieng-forum threads on an August visit describe river conditions as genuinely variable week to week, posters warning tubing can swing between manageable and hazardous depending on recent rain. Regulars call one August notably severe, several posters recalling flooding that halted tubing entirely for weeks that year. Posters call a fast, high river the more typical August experience, several regulars naming a roughly ninety-minute float with no rock-bumping since the water sits well above normal levels. Regulars call tubing on an actively rainy day genuinely worth skipping, several threads warning cold water and poor visibility make conditions considerably less enjoyable and less safe. Posters recommend checking river conditions with an operator before heading out, several regulars calling this standard given how quickly August rain can change things. The record: 29C days, 23.3C nights, an extraordinarily high 547.7mm across nearly 30 days and 92 percent humidity.
ヴァンヴィエンのほかの月
Vang Vieng-forum threads on an April visit describe the month as genuinely the hottest of the year with temperatures near thirty-four degrees Celsius and mostly sunny skies. Regulars call air quality genuinely the real wildcard, several posters naming smoke from burning in early April as persisting until monsoon rains clear it. Posters call Vang Vieng less affected than Luang Prabang by haze, several regulars naming this as unpredictable. Regulars call mid-April's Pi Mai festival genuinely one of the busiest times nationally, several threads naming water fights as the centerpiece. Posters call accommodation and room rates genuinely at peak during Pi Mai, several regulars naming this as the reason to book ahead. Regulars recommend checking haze forecasts before mid-April, several threads naming this standard. Posters recommend real flexibility in plans given smoke and crowds, several regulars calling this standard. The record: 33.4C days, 23.9C nights, 63.1mm.
Vang Vieng-forum threads on a February visit describe the route from Phonsavan as a real option for anyone combining a wider northern Laos loop, posters recommending a short flight followed by an overland bus connection. Regulars call homestays a genuinely good way to experience the town beyond the main tubing and karst-viewpoint circuit, several posters recommending arranging one directly on arrival. Posters call zip-lining, tubing and kayaking all real February options, conditions considered comfortable and reliable this time of year. Regulars call the karst scenery worth the trip regardless of activity choice, viewpoints around town a genuine highlight even on a short stop. Posters recommend confirming current tour operators and prices locally, options here changing more than travelers expect year to year. The record: 28.8C days feeling like 31C, 17.8C nights, 35.7mm across over 3 days and 62 percent humidity.
Vang Vieng-forum threads on tubing during September and October are consistent this still sits within the wet season's tail end, real caution warranted given how high and fast the Nam Song River can run. Posters call tubing genuinely inadvisable during the peak, current and water levels elevated enough to pose a real safety concern regardless of experience. Regulars describe conditions as generally improving as October wears on, trending toward the drier pattern that sets in around November. Posters recommend checking current river conditions with a local operator before booking, self-assessment from a forecast called unreliable. Regulars call the karst scenery worth the trip regardless of whether tubing is advisable that week. Posters recommend flexible plans and swapping water activities for cave hikes if conditions call for it. The record: 29.5C days feeling like a punishing 35C, 21.9C nights, an extraordinarily high 132mm across nearly 19 days and 84 percent humidity.
Vang Vieng-forum threads on September tubing are direct this sits deep in the wetter season, the Nam Song River running noticeably higher and faster, a genuinely different experience from the slow, lazy float posters describe for calmer months. Regulars call the current in September capable of feeling like proper whitewater rather than a relaxed drift, real caution and a life jacket standing advice regardless of experience. Posters are blunt that most serious incidents on the river involve alcohol rather than the current, but are equally direct a swollen September river raises the stakes for anyone not paying attention. The dramatic limestone karst scenery is even more striking against the lush, saturated green of the season. Regulars recommend checking river conditions with a local operator before tubing on any given September day. The record: 29.5C days feeling like a punishing 34C, 23C nights, an extraordinarily high 258mm across nearly 28 days and 90 percent humidity.
地図のヴァンヴィエンのカードから自分のメモを追加できます。
ヴァンヴィエンの気候平年値 — 8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。
8月のヴァンヴィエンの混雑
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。
閑散主な訪問国のうち4か国で学校休暇、天気が一年で最も悪い月のひとつ(推定)
ピークの混雑混雑ショルダーシーズン閑散
ヴァンヴィエンの天気が良い月
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)。
天気が厳しいヴァンヴィエンの天気がピークを迎えるのは12月〜2月で、特に良いのは1月ごろです。
8月はFast, muddy Nam Songと重なります。
天気が最高天気はまずまず天気が厳しい
8月のヴァンヴィエンのイベント
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
Fast, muddy Nam Song
5月15日〜10月15日 · 例年洪水シーズンIn the rains the river runs high, brown and fast; tubing and kayaking get genuinely risky after heavy downpours. The upside is green hills and far fewer visitors. 出典 ↗
- 季節
Wet season
モンスーンリスク30 rainy days and about 548 mm in the month — the real kind of rainy season, not afternoon showers.
気候の平年値から算出
近くで開催中のイベント
ヴァンヴィエンから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。
ヴァンヴィエンはどこにある?
8月のヴァンヴィエン — よくある質問
- 8月はヴァンヴィエンを訪れるのに良い時期ですか?
- ヴァンヴィエンの8月:猛暑、大雨続き、空気がきれい — おすすめできない時期(雨の日30日)。SeasonMapの快適スコアでは、ヴァンヴィエンの12か月中12位です(44/100)。
- 8月のヴァンヴィエンはどんな天気ですか?
- 8月のヴァンヴィエンは、平均最高気温29°C、最低気温23.3°C、降水量は約547.7 mmで、雨の日はおよそ29.6日です。
- 8月のヴァンヴィエンの大気質はどうですか?
- 8月のヴァンヴィエンの米国大気質指数(US AQI)は、平均約27です。
300 km圏内:Luang PrabangのDawn alms round etiquette(1月1日〜12月31日)、VientianeのSouthwest monsoon(5月15日〜10月15日ごろ)。