The highest day temperature in January 2025 was 78°F. The lowest night temperature was 61°F. The average values for day and night temperatures during January were 72.6°F и 66.5°F respectivly.

The average sea surface temperature in January 2025 for Hoi An was 75.3°F. The maximum and minimum values were 72.8°F and 77.4°F respectively.

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

Precipitation total in January for Hoi An is 6.5 in.

The average wind speed in January is 6.6 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 January is 3.3 hours.