This marked the highest figure so far due to high travel demand for the traditional Lunar New Year (Tet) holiday.
Of the total, those travelling by air increased by 38.9 percent, while arrivals by sea rose by 231.5 percent.
In January, tourists from Asia accounted for 77.4 percent of the total, 39.9 percent higher than that of the same period last year.
The number of European visitors in the reviewed period witnessed a yearly increase of 11.5 percent.
Meanwhile, the number of tourists from America was up 19 percent year-on-year, mainly from the US.
It added that in the last days of January, Vietnamese travel agencies attended the International Tourism Fair in Spain.
Vietnam’s participation at the event is hoped to actively contribute to attracting more Spanish-speaking visitors to the Southeast Asian nation./.