Hoi An weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Fair
Best time to visit: February – April
What is the weather like in Hoi An in January?
In January, Hoi An is warm: daytime highs average 24 °C, and nights cool down to about 20 °C. The sea averages 23.6 °C – pleasant for swimming. The sun is scarce, with only about 4 hours a day. It is the rainy season: rain falls on about 18 days, totalling 178 mm. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Hoi An.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 50 | 52 | 68 |
| Day | 24° | 24° | 25° |
| Night | 21° | 20° | 21° |
| Sea | 25° | 24° | 23° |
| Sun | 3 h | 4 h | 5 h |
| Rain days | 24 | 18 | 12 |
More details for January
- Daylight
- 11 h 17 min06:17 – 17:34
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 23 daysdew point 18 °C or more
- Wind
- 15 km/haverage daily peak
- Cloud cover
- 72 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+7Asia/Ho_Chi_Minh
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %8 %
- Few rainy daysweight 30 %2 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Insect repellent
- Rain jacket or umbrella
Hoi An in January: quick answers
Is Hoi An hot in January?
Warm rather than hot: in January, daytime highs in Hoi An average 24 °C and nights cool to about 20 °C.
Can you swim in Hoi An in January?
Yes. In January the sea averages 23.6 °C – pleasant for swimming.
Does it rain much in Hoi An in January?
It rains often – on about 18 days, adding up to 178 mm.
Hoi An month by month
The whole year in Hoi AnAll destinations: VietnamWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)