The rise followed a 5.0% decrease in November.

Economists had expected a 0.3% increase according to the median of 7 estimates.

On a seasonally adjusted month-on-month basis, exports rose 6.6% in December, extending the prior month's 3.7% expansion, Enterprise Singapore said in a statement.

Economists had forecast a 3.6% rise.

(Reporting by Aradhana Aravindan in Singapore; Editing by Himani Sarkar)