Hoi An weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Fair
Best time to visit: February – April
What is the weather like in Hoi An in December?
In December, Hoi An is warm: daytime highs average 24 °C, and even at night it stays warm at around 21 °C. The sea averages 25.1 °C – pleasant for swimming. The sun is scarce, with only about 3 hours a day. It is the rainy season: rain falls on about 24 days, totalling 370 mm. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Hoi An.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 55 | 50 | 54 |
| Day | 26° | 24° | 24° |
| Night | 23° | 21° | 20° |
| Sea | 27° | 25° | 24° |
| Sun | 4 h | 3 h | 4 h |
| Rain days | 22 | 24 | 18 |
More details for December
- Daylight
- 11 h 12 min06:06 – 17:17
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 25 daysdew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 79 %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 %2 %
- 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 December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Insect repellent
- Rain jacket or umbrella
Hoi An in December: quick answers
Is Hoi An hot in December?
Warm rather than hot: in December, daytime highs in Hoi An average 24 °C and nights cool to about 21 °C.
Can you swim in Hoi An in December?
Yes. In December the sea averages 25.1 °C – pleasant for swimming.
Does it rain much in Hoi An in December?
It rains often – on about 24 days, adding up to 370 mm.
Hoi An month by month
The whole year in Hoi AnAll destinations: VietnamWhere to go in December
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)