Why is it best to consider interior painting in winter? Interior painting is often seen as a spring and summer activity. After all, not many people are thinking about home improvement when they are busy shoveling snow off their sidewalk. While spring and summer are certainly the best times for exterior painting, the winter can be a great time to give your home a new feel through painting its interior. There are several great reasons to consider interior painting in winter: Great interior painting deals can be found in the winter Painters generally work on both home interiors and exteriors.