Open Question: if i move to a different state this year, would i file income taxes in two different states?

im thinkin of movin to a different state.what would be a good time of year to move?i would ofcourse look for a job first.i dont have that much stuff so thats no problem.my field of work has lots of job opening in the area where i like to move too.im thinkin of goin before winter cuz where im at now has lots of snow during winter and where im planning of goin doest have snow.anybody with experience?please help...