The value of exports was around 3.9 billion euros ($4.39 billion) while the value of imports stood at 4.1 billion, it said. Finland's monthly trade balance showed a deficit of 245 million euros ($275.65 million).
Exports in January through July were down 6 percent.
Weak exports are hampering the recovery of the Nordic euro member economy, which has struggled in recent years for reasons including high labour costs, the decline of Nokia's former phone business and a recession in neighbouring Russia.