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 about 167 mm of rain in the month.
Day
24°C
Night
20°C
Sea
24°C
Rain
167 mm
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: about 167 mm of rain falls in the month.
That is 17°C warmer than an average January day in London.
Of the 56 sun destinations we track, Hoi An is the #29 warmest in January.
Going to Hoi An in January?
Share the TikToks and Instagram Reels you've saved for Hoi An to Dream Trip. It finds the places, pins them on a map and builds your days around them.
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.
| Month | Day | Night | Sea | Rain |
|---|---|---|---|---|
| January | 24°C | 20°C | 24°C | 167 mm |
| February | 25°C | 20°C | 24°C | 85 mm |
| March | 27°C | 22°C | 25°C | 67 mm |
| April | 30°C | 24°C | 26°C | 65 mm |
| May | 32°C | 26°C | 28°C | 89 mm |
| June | 34°C | 27°C | 30°C | 103 mm |
| July | 33°C | 27°C | 30°C | 153 mm |
| August | 34°C | 27°C | 31°C | 154 mm |
| September | 31°C | 25°C | 31°C | 285 mm |
| October | 28°C | 24°C | 29°C | 506 mm |
| November | 27°C | 23°C | 27°C | 432 mm |
| December | 25°C | 21°C | 25°C | 376 mm |
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: about 167 mm of rain falls in the month.
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. Rain is the average monthly total. 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.
