The four home improvement projects you must finish before winter. When is it a good time to begin remodeling your home or simply working on some home improvement projects? Technically anytime of the year is a great time, but to save the most money on labor and material September through December is an ideal time. Since it is much colder in the winter and in many state (like Oregon) it doesn’t stop raining until very late spring you can’t do much outside. Which is why we have put together a list of four indoor home improvement projects you can complete on a budget before the holidays roll around.