January weather forecast
Hoi An, Vietnam

As Hoi An welcomes the new year, the city experiences comparatively cooler weather conditions, making January one of the ideal months to visit. With lower rainfall than the previous month, reaching only 92mm (3.62") over an average of five days, the reduced precipitation allows for an increase in outdoor activities. Moving from the chillier days of December, this month sees a slight rise in temperatures. The cultural heritage of the city, combined with the inviting weather, offers a unique charm for tourists and locals alike.

Temperature

Hoi An's coldest month, January, generally records average temperatures ranging from a high of 25°C (77°F) to a low of 19°C (66.2°F).

Rainfall

In January, the rain falls for 5 days. Throughout January, 92mm (3.62") of precipitation is accumulated. In Hoi An, during the entire year, the rain falls for 144 days and collects up to 1929mm (75.94") of precipitation.

Daylight

In January, the average length of the day is 11h and 18min.
On the first day of January, sunrise is at 06:13 and sunset at 17:25. On the last day of the month, sunrise is at 06:16 and sunset at 17:43 +07.

Sunshine

January through May and December, with an average of 7h of sunshine, are months with the most sunshine.

UV index

January, November and December, with an average maximum UV index of 9, are months with the lowest UV index. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 9 in January suggests the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.