Thailand's August current account was a surplus of $3.99 billion, after July's surplus of $1.77 billion, the central bank said on Monday.
August exports dropped 2.1% from a year earlier, after rising 3.8% in July.
Imports in August declined 15.5% from a year earlier, after rising 0.9%.
August trade surplus was $3.58 billion, compared with July's $1.69 billion surplus
August private consumption was up 0.3% from the previous month, while private investment dipped 2.2%.
Thai central bank sees third-quarter economic growth higher than the second-quarter's 2.3% pace, an official said.