City break

Hoi An weather in October

Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

52

Holiday weather in October

Fair

Best time to visit: February – April

Air temperature28°CNight 24°
Sea temperature28.1°Cwarm
Sunshine5hrs / dayof 11.8 h daylight
Rainy days25days / month446 mm

What is the weather like in Hoi An in October?

In October, Hoi An is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.1 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 446 mm. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Hoi An.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score405255
Day30°28°26°
Night26°24°23°
Sea29°28°27°
Sun6 h5 h4 h
Rain days232522

More details for October

Daylight
11 h 48 min05:38 – 17:26
UV index
10 · very highclear sky, noon (estimate)
Muggy days
31 daysdew point 18 °C or more
Wind
16 km/haverage daily peak
Cloud cover
74 %on average
Hot days
2 days30 °C or more
Time zone
UTC+7Asia/Ho_Chi_Minh

How the score comes together

  • Temperatureweight 50 %90 %
  • Sunshineweight 20 %33 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Hoi An in October: quick answers

Is Hoi An hot in October?

Yes. In October, Hoi An is hot: daytime highs average 28 °C and nights stay around 24 °C. On about 2 days the thermometer climbs to 30 °C or more.

Can you swim in Hoi An in October?

Yes. In October the sea averages 28.1 °C – lovely and warm for swimming.

Does it rain much in Hoi An in October?

It rains often – on about 25 days, adding up to 446 mm.

Hoi An month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)