Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Hoi An is from February, March, April. — consistent weather climate
⛈Hot & rainy
| Score | 65 | 81 | 84 | 71 | 55 | 55 | 49 | 49 | 36 | 48 | 51 | 45 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Rainy | Humid | Pleasant | Hot & dry | Hot & dry | Hot & dry | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Rainy | Rainy |
| Temperature | 20–24°C | 20–25°C | 22–28°C | 24–30°C | 26–33°C | 27–34°C | 27–33°C | 27–34°C | 26–31°C | 24–28°C | 23–27°C | 21–24°C |
| Feels like | 22–27°C | 22–28°C | 26–32°C | 29–36°C | 32–39°C | 33–41°C | 32–39°C | 32–40°C | 31–38°C | 28–33°C | 27–31°C | 23–27°C |
| Precipitation | 170mm 28 days | 83mm 17 days | 54mm 11 days | 70mm 9 days | 83mm 10 days | 74mm 8 days | 152mm 13 days | 137mm 12 days | 269mm 22 days | 490mm 30 days | 400mm 30 days | 381mm 30 days |
| Sunshine | 5.6h ☀︎ 49% | 8.3h ☀︎ 71% | 10.3h ☀︎ 85% | 10.7h ☀︎ 86% | 10.1h ☀︎ 79% | 9.4h ☀︎ 72% | 8.4h ☀︎ 65% | 8.1h ☀︎ 64% | 8.2h ☀︎ 67% | 5.9h ☀︎ 50% | 6.1h ☀︎ 53% | 3.7h ☀︎ 33% |
| Wind | NE · 16 km/h | E · 17 km/h | E · 18 km/h | E · 18 km/h | SE · 16 km/h | S · 16 km/h | S · 15 km/h | SW · 15 km/h | E · 15 km/h | N · 18 km/h | NE · 18 km/h | NE · 19 km/h |
| Humidity (%) | 86% | 86% | 86% | 84% | 80% | 74% | 76% | 75% | 83% | 86% | 86% | 85% |
| Day length | 11.3h | 11.6h | 12.1h | 12.5h | 12.9h | 13.1h | 13.0h | 12.6h | 12.2h | 11.8h | 11.4h | 11.2h |
On the 14th night of every lunar month, Hoi An's Ancient Town switches off electric lighting and glows instead with silk…
Hoi An celebrates the Mid-Autumn Festival (Tet Trung Thu) each September with elaborate lantern displays, lion dances, a…
The VnExpress Marathon Hoi An draws runners from Vietnam and abroad for a race route winding past rice paddies, the Thu…
Hoi An reaches peak crowd capacity in October and December—the very months when torrential rains swallow the riverbanks—while the town's most sublime, radiant weather passes through quietly between February and April.
Travelers arrive in Hoi An seeking the timeless timbered merchant houses, butter-yellow alleyways, and silk lanterns that define its UNESCO-listed historic port. Yet central Vietnam marches to a climate calendar fundamentally different from the rest of Southeast Asia. While travelers commonly assume late autumn brings dry relief across the region, Hoi An in October and November is often knee-deep in floodwaters, with wooden sampans navigating the main thoroughfares. If you want the postcard fantasy—pedaling a bicycle through emerald paddies, languorous riverside dinners, and dry evenings under thousands of glowing lanterns—the conventional holiday schedule will betray you. The real magic belongs to the early spring.
This is the period when Hoi An delivers entirely on its reputation. February breaks open with crisp, bright mornings and crystalline blue skies, shaking off the clammy monsoon clouds of winter. By March, the town enters its absolute prime. Sunshine stretches past ten hours a day, the air carries a light sea breeze, and the daytime heat remains gentle enough that walking the narrow lanes of Hoi An Ancient Town is an unadulterated pleasure rather than an endurance test.
Everything during these months operates outdoors. Tailors fling open their wooden shutters, cafes spill onto the pavement, and the waters of the Thu Bon River reflect clear afternoon skies. March and April provide the easiest conditions for cycling out to An Bang Beach for an afternoon swim, where the ocean is calm and clean after months of rough winter surf.
Evenings during this window are balmy and reliably dry. When the Hoi An Lantern Full Moon Festival takes place on the fourteenth night of each lunar month, the town cuts its electric lighting to let silk lanterns glow against the dark riverbanks. Unlike later in the year, when downpours can extinguish the paper river-offerings, spring nights allow the floating candles to drift undisturbed downriver under starlit skies.
As May settles in, the central coast turns into a kiln. Midday temperatures climb rapidly, and intense humidity makes being outside between noon and late afternoon deeply punishing. The old shophouses, built from dark timber and tile, trap the heat, turning the unshaded lanes into baking corridors. Life recalibrates around the extremes: mornings start at dawn, afternoons are spent behind whirring fans, and the town re-emerges only after sundown.
In June, the VnExpress Marathon Hoi An takes off at first light specifically to beat this brutal humidity, sending runners through rural lanes and riverbanks before the full blaze of the morning sun arrives. June and July bring a surprising lull in international visitor numbers, offering quiet stretches of sand at Cua Dai Beach and uncrowded streets, provided you are willing to spend your midday hours indoors.
August, however, brings an intense crowd surge without any relief from the heat. It is one of the busiest months of the year, packed with travelers enduring the thickest, muggiest days of the dry season. If you visit in midsummer, align your hours with the locals: wake with the sun for peaceful walks, retreat during the sweltering afternoons, and step out only when twilight softens the heat.
September marks the turn toward the monsoon, though it begins with a burst of festive life. Children parade through the streets with dragon masks and luminous displays for the Mid-Autumn Festival (Tet Trung Thu), filling Hoi An Ancient Town with drumming and paper lanterns. But the skies grow steadily heavier, and by month's end, the deluge arrives in earnest.
October presents the central paradox of Hoi An travel: it is the single most crowded month of the year, yet it suffers the most extreme rainfall on the calendar. Downpours are not brief afternoon showers; they are relentless, hours-long torrents that dump nearly half a meter of rain across the town. Low-lying quarters near the river regularly flood to the waist, forcing ground-floor businesses to hoist furniture into their upper rafters while shopkeepers wade through water with plastic tarps.
Visiting during October and November requires rubber boots and low expectations for outdoor sightseeing. While watching lanterns float on swollen river currents has an eerie, atmospheric beauty, heavy bursts cancel plans with little warning. Unless your idea of a vacation involves boarding a wooden skiff to cross a flooded pedestrian street, steer well clear of this sodden peak.
December carries high visitor numbers into a lingering, damp chill. The torrential flash floods usually subside, but the weather settles into a stubborn pattern of heavy cloud cover, cutting sunshine down to just a few hours a day. Temperatures hover around comfortable numbers on paper, but the persistent drizzle and humid breeze off the ocean seep through clothing, making the stone town feel surprisingly raw.
January remains cool and grey through its early weeks, though rain intensity gradually tapers down to a soft, occasional mist. It is a quiet, contemplative time where the yellow plaster walls look moody against slate skies. If you don't mind carrying a light jacket and missing beach weather, late January offers an atmospheric, slow-paced encounter with the town just before the radiant spring dry season officially arrives.