The reserves, which are the largest in the world, rose by $11 billion to reach $3.128 trillion. This is compared to the $3.154 trillion predicted by a Reuters poll of analysts and the $3.117 trillion recorded in November.
The Yuan saw a 2.8% increase against the dollar in December, while the Dollar fell by 2.3% against a basket of other major currencies.
The amount of gold held by China at the end of December was 64.64 million fine troy ounces, a decrease from the end of November. However, the value of China's gold reserves rose to $117.24 billion at the end of December, up from $111.65 billion at the end of November.