Hội An weather in August
August in Hội An: sweltering, soaked, with poor air quality — a gamble, with 18 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#9 of 12 months in Hội An · #1230 of 1413 destinations to visit in August · comfort 50/100 (tier D)
- Days
- 35°C
- Nights
- 27°C
- Wet days
- 18
- Sun
- 10.1 h
- Humidity
- 73%
- Daylight
- 13 h

Traveller notes on Hội An in August
Notes from nearby Hue (102 km away)
Hội An doesn't have its own notes for August yet — these are about Hue, close enough to share the season.
Forum posters describe August as genuinely hot, with humidity commonly reaching around 90% by midday, and note that Central Vietnam (Hue, Da Nang, Hoi An, Nha Trang) is in noticeably better shape than Hanoi and Ho Chi Minh City, both still deep in their own rainy season this month. That said, Hue's real dry season is more like March-April; August sits in a shoulder period that's meaningfully calmer than the region's true wet-season peak (September through December) but still sees regular rain - typically arriving as a short, heavy downpour that clears quickly rather than settling in for the day, rather than a genuinely dry stretch. One useful regional distinction posters raise: Hue's improved conditions lag Hoi An's by roughly a month, so by August both are past the worst, even if neither is fully dry yet.
Other months in Hội An
Hoi An-forum threads on April weather call it usually beach weather unless a visitor gets genuinely unlucky, still comfortably inside the dry, mild stretch that runs February through April before the real heat of May and June sets in. One thread notes sun didn't fully return until after the 20th in a particular year, the earlier part of the month running greyer and more overcast than the reputation suggests, so April isn't a lock for wall-to-wall sun. The sea has calmed by this point, the rougher swell of the northeast monsoon having faded away by late March. Rain when it shows up is typically a short afternoon burst rather than a washout. Posters call late April specifically a strong bet for the best combination of sunshine and manageable heat before summer's harsher temperatures arrive. The record: 31.6C days feeling like a punishing 38C, 24.4C nights, 79mm across 7.7 days, 83 percent humidity, an unhealthy 93 AQI and a 26C sea.
Hoi An-forum threads on March weather call it sunny and warm without the punishing heat that arrives later - low humidity for the region, a nice breeze most days, and temperatures regulars describe as comfortable for walking the old town all afternoon. February through April is singled out as the driest, mildest stretch of the year, and posters consistently rank March and April among the best months to visit specifically because the tourist season is quieter than the winter peak. Beach conditions by the end of March get a specific mention as genuinely pleasant, warm enough for swimming without summer's more oppressive humidity. The record shows a touch more rain and cloud than the sunniest framing implies, but nothing that regulars consider a problem for a week-long visit. The record: 28.8C days feeling like 33C, 22.5C nights, 82mm across 9.4 days, 86 percent humidity, a 24.2C sea and 9.8 hours of sun.
Hoi An-forum threads on July weather are clear that this isn't the region's rainy season - that arrives later, October through January, when the real flooding and typhoon risk lives. July itself is simply hot: light winds, clear air, and days regulars describe as balmy even after dark. Posters note it does still rain a fair amount by volume, but almost always as a short, sharp afternoon burst of thirty to sixty minutes that rarely derails a day's plans. The Cham Islands boat trip stays reliably on the table this month, An Bang Beach is warm enough to swim for hours, and hotel rates run well below the December-February high season. The standing advice is simply to plan around the hottest hours - late morning through mid-afternoon - the way locals do. The record: 34.9C days feeling like a punishing 42C, 26.6C nights, 127mm across 18.2 days, 74 percent humidity, a 99 AQI and a 29.8C sea - hot exactly as billed, with a heavier rain tally than the "not the wet season" framing suggests.
Hoi An-forum threads on May weather call it hot rather than wet - blue skies most days, low chance of rain, with any showers arriving as a short afternoon burst rather than settling in. Posters flag the old town's open-air shopfronts specifically: an Australian visitor used to heat still found the mid-30s genuinely hard to escape indoors, since the historic buildings have no glass windows to seal in air conditioning. The standard advice is to front-load sightseeing for early morning or dusk and treat midday as beach or pool time at nearby An Bang. Regulars call May a good-not-great month overall, solidly ahead of the wetter months later in the year but past the cooler, more comfortable spring window. The record: 34C days feeling like a sticky 40C, 26C nights, 109mm across 16.1 days, 80 percent humidity, an 88 AQI and a 28.2C sea - hot and humid exactly as the forum describes, with more rain days than the "blue skies" framing implies.
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Hội An climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Hội An in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsNational Day, Summer break in Vietnam, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Hội An's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherHội An's weather peaks January–March, best around February.
Best weatherFair weatherToughest weather
What's on in Hội An in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Full moon lantern night
1 Jan – 31 DecLights & fireOn the 14th of each lunar month the old town switches off its electric lights from about six and runs on silk lanterns and candle floats on the Thu Bon. Source ↗
- Season
Beach season
1 Apr – 31 Aug · usuallyMonsoonAn Bang and Cua Dai work in the dry half of the year; the northeast monsoon takes the sand and the swimming away from October onwards.
- Holiday
National Day
30 Aug – 3 Sep · usuallyNational holidayCrowdedBook earlyNational Day on 2 September comes with at least two days off, usually joined to a weekend, and is a domestic travel peak. Flights and buses sell out, hotels fill with Vietnamese families, and streets are hung with red flags. Source ↗
Nearby, and something's on
Within 300 km of Hội An — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Hội An?
Hội An in August — FAQ
- Is August a good time to visit Hội An?
- August in Hội An: sweltering, soaked, with poor air quality — a gamble, with 18 rainy days. It ranks #9 of 12 months for Hội An on SeasonMap's comfort score (50/100).
- What is the weather like in Hội An in August?
- In August, Hội An averages a daily high of 35.2°C and a low of 26.6°C, with about 150.7 mm of rain over roughly 18.3 rainy days.
- What is the air quality in Hội An in August?
- Hội An has a mean US Air Quality Index of about 116 in August.
Within 300 km: Hue's Hue Festival around 1 Jun – 15 Aug, and Da Nang's Dry, calm beach season around 15 Feb – 31 Aug.