What are your interests and what kind of experience are you looking for?
Among the destinations to consider are:
Southeast Asia. The northern parts of this region, i.e. northern Thailand, Laos, & parts of Vietnam, have almost ideal weather in Jan & Feb.
Carretera Austral in Chile, and the lake region of south-central Chile & Argentina.
New Zealand
Mexico-the winter is the dry season and comfortable temperatures in most of the country