Official figures showed a surplus of $242 million in June compared with the previous month’s $103m surplus.
Exports rose 11 percent, led by a big increase in dairy commodities such as milk powder, butter and cheese.
Imports rose 7.7 percent, led by cars and petroleum.
On an annual basis, the trade deficit narrowed to $3.7bn compared with May’s $3.8bn.
Source: Radio New Zealand