The highest day temperature in December 2023 was 85°F. The lowest night temperature was 64°F. The average values for day and night temperatures during December were 77.8°F и 73.3°F respectivly.

The average sea surface temperature in December 2023 for Hoi An was 81.2°F. The maximum and minimum values were 78.8°F and 82.4°F respectively.

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation total in December for Hoi An is 12.3 in. It makes december one of the most rainy months of the year.

The average wind speed in December is 7.9 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hoi An in December is 2.3 hours.