香港 8月 天氣
香港的8月:酷熱、雨量驚人,還有空氣悶熱,現在不是時候——26 個雨天。
更新於 2026 年 9月 · 氣候平均值取自 ERA5 再分析
香港:12 個月中排第 12 · 8月全球 1413 個中第 1303 · 舒適度 38/100(等級 F)
- 白天
- 31°C
- 夜間
- 27°C
- 雨天
- 26
- 日照
- 8.6 h
- 濕度
- 88%
- 白晝時間
- 13 h

香港的8月是什麼樣子
The hottest month, humid throughout, and the highest typhoon risk of the year.
typhoonlow season
可信度:high
8月的香港旅人筆記
Hong Kong-forum threads on typhoon season confirm August sits at the wettest, most humid stretch of the year, weather closely tracking July with steamy conditions and short, intense afternoon bursts rather than a long, steady soak. Posters run the actual odds for anyone worried: over decades of records, a serious storm signal has been called on average only a handful of days across the entire month, and even a direct hit rarely lasts longer than about half a day before easing. Regulars call the humidity, not any single storm, the real daily challenge - light, breathable clothing and frequent breaks in air-conditioned malls or the MTR are the standing advice regardless of the sky. The record: 31.2C days feeling like a punishing 38C, 26.7C nights, an extraordinarily high 339mm across 26.1 days, 88 percent humidity, a 28.8C sea and an unhealthy 75 AQI.
香港的其他月份
March here is cool by local standards - 15 to 25C is the range regulars quote and our row sits at 22.5C over 17.9C - with showers and sun in roughly equal measure. The thing they warn about is fog. Some March days it is thick enough that you cannot see across the street, and crucially it is worse with height and near the water than it is downtown, so the Peak and the harbour views are the part of the trip to keep flexible. Our 7.8 hours of sun inside 12 of daylight is that greyness counted. Humidity is already 81 percent. Layers rather than a coat; a long sleeve over a t-shirt is their formula. The record: 73.5mm of rain across 10.2 days and AQI 98.
Hong Kong-forum threads on February split on one detail: the general climate is cool and dry, but when Chinese New Year lands in the month the weather is often described as cool and damp, closer to foggy than crisp. Crowds follow the lunar calendar more than the thermometer - the first day of the new year is called a 'very dead city' with museums and markets shut, while day three or four brings a crowded city as everyone comes back out. Outside CNY week, posters say to expect no crazy waits and zero typhoon risk this month. The record: 19.9C days, 14.9C nights, 34mm of rain across 6.2 days, 7.5 hours of sun. What the forums undersell: AQI runs 96 here, the second-haziest month on the calendar after December.
Hong Kong-forum threads on December packing are consistent: T-shirt weather by day, a light jacket or jumper for evenings and for indoor air conditioning that regulars warn runs full blast regardless of season, and one of the driest stretches of the year so an umbrella is a just-in-case rather than a must. The record matches: 20.5C days feeling like 19C, 15.3C nights, just 14mm total across under three days, and eight hours of sun. What the forum posts don't dwell on but the data does: December's AQI runs 112, the hazier end of the city's year, so it's a comfortable month to be outside but not always a clear one.
Hong Kong forum threads describe January as one of the coldest months by local standards but genuinely pleasant overall - typical daytime temperatures in the mid-to-high teens Celsius rising toward 20C, low humidity, and often sunny, dry conditions with little chance of rain. Posters noted an occasional cold front can drop temperatures suddenly into single digits, though this is the exception rather than the norm. A light jacket for outdoors plus something extra for aggressively air-conditioned indoor spaces was the standard packing tip - one visitor specifically noted friends from tropical Singapore found even mild Hong Kong January weather genuinely cold by comparison.
香港 氣候平均值 — 8月
每月平均值取自 ERA5 再分析。AQI 為該月美國空氣品質指數的平均值。
香港在8月的人潮
這個地點本身有多擠——學校假期與大型連假、編輯標記的月份,以及天氣讓它有多搶手。從不計入舒適度分數。
人少編輯認定的清靜月份、香港的Summer vacation、主要客源市場中有 4 個正逢學校假期
人潮高峰人多平季人少
香港天氣最好的月份
依這個目的地自己全年的氣候舒適度分數排序——這和它有多擁擠是兩回事(見上方「人潮」)。
天氣最差香港的天氣在 12月–2月 達到最佳。
8月正好碰上Typhoon season。
天氣最好天氣尚可天氣最差
8月的香港有什麼活動
每年重複的季節活動、自然奇景、休業期和假期 — 經過編輯篩選並附上來源。
- 風險
Typhoon season
5月1日–11月30日有休業Tropical cyclones can reach the city from May, with July to September the likeliest. A number eight signal closes offices, shops and ferries for a day, and flights go with them. 來源 ↗
- 節慶
Yu Lan, the ghost month
8月5日–9月15日 · 通常宗教節慶Through the seventh lunar month the Chiu Chow associations raise bamboo theatres in parks and playgrounds for opera, burn paper offerings on street corners and hand out rice at the end. Nothing shuts; the city is quietly busy with it for a month. 來源 ↗
- 季節
Wet season
季風雨季有風險26 rainy days and about 339 mm in the month — the real kind of rainy season, not afternoon showers.
依氣候平均值推算
香港在哪裡?
8月的香港 — 常見問題
- 8月適合去香港嗎?
- 香港的8月:酷熱、雨量驚人,還有空氣悶熱,現在不是時候——26 個雨天。 以 SeasonMap 的舒適度分數來看,這是 香港 12 個月裡的第 12 名(38/100)。
- 香港在8月的天氣如何?
- 8月的香港平均最高溫 31.2°C、最低溫 26.7°C,降雨約 339 mm,雨天約 26.1 天。
- 香港在8月的空氣品質如何?
- 香港在8月的美國 AQI 月平均值約為 75。