Hoi An weather in January
Hoi An averages 24°C by day and 20°C at night in January, with the sea at 24°C and 20 days with at least 1 mm of rain.
Day
24°C
Night
20°C
Sea
24°C
Rainy days
20
Flight from London
12h
What January feels like
January is hot but wet in Hoi An: rainy season, so pack for showers.
The sea is 24°C: fine for swimming without a wetsuit.
It is rainy season, with rain on about 20 days.
Of the 48 sun destinations we track, Hoi An is the #23 warmest in January.
Want it warmer in January?
These are hotter than Hoi An this month for at most an hour and a half more flying:
Hoi An weather by month
January is highlighted. Compare with December and February, or see the full year in Hoi An.
Hoi An in January: quick answers
Is Hoi An hot in January?
January is hot but wet in Hoi An: rainy season, so pack for showers. Average highs are 24°C and lows 20°C.
Can you swim in Hoi An in January?
The sea is 24°C: fine for swimming without a wetsuit.
Does it rain in Hoi An in January?
It is rainy season, with rain on about 20 days.
What is the warmest month in Hoi An?
June, at an average high of 34°C. The coolest is January at 24°C.
How long is the flight to Hoi An from the UK?
About 12h direct from London, estimated from the 9,873 km distance. Check your airline for exact times.
Still choosing? See where is hot in January for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in January from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Hoi An in January?
Save the restaurants, beaches and views you find on TikTok and Instagram for Hoi An straight to a map, then let Dream Trip turn them into a day-by-day plan.
