Is house flipping lucrative during the winter months?

[Lisa D. Hamblin]

I live in Ohio and our winters are sometimes severe. Someone once told me you can't do construction work during the winter because it affects the materials. (Such as tar, concrete, wood, etc). Roofs and foundations are especially difficult to do correctly in the cold, or so I am told. Is there truth to this, or should I try for a different income stream during certain seasons?