The drop in arrivals was caused by the ongoing upgradation of infrastructure at the Colombo international airport runway due to which the airport remains shut from 8.30 am to 4.30 pm daily till April 6, it said.
The Chinese arrivals also saw a plunge of 21.6 per cent to 25,248, it added.
Arrivals from Western Europe, however, grew 4.4 per cent to 76,770 with the tourists from the UK growing 5.3 per cent to 20,218 and Germany up by 2 per cent to 14,712.
Total East Asian arrivals dropped 11.1 per cent to 32,460 led by the drop in Chinese visitors to 25,248 from 32,186.
Indonesia arrivals grew by 103 per cent to 3,690 but tourism from Malaysia dropped by 22 per cent to 1,672 and Singapore dropped by 16 per cent to 1,157.
In January, a total of 21,936 tourists visited Sri Lanka, a growth of 12.9 per cent despite the airport closure.