Real Estate Investing in the Winter Months

Depending on where you reside, some real estate investors find the winter months to be difficult for their real estate investing business.  Some rehab tasks are too hard to complete in the cold and sometimes real estate sales are not as competitive.  On the flip side, if you buy an investment property in the winter, you can finish up the repairs and put the property on the market as the buying season starts in the Spring.  As a real estate investor, how do you think the colder months affect your real estate investments?  How do you handle weather situations that cause a pause in your business?