A lot of people plan to take vacations in the summer because the weather is nice in most locations and because kids are out of school. No matter where you go, you are bound to see huge crowds during the months between May and August. Even if you go around April or September, you’re likely to see larger crowds than usual since the weather is still nice. Going on a vacation in the winter isn’t first on most people’s minds, but it can actually be the best time of year to take a trip. You are likely to encounter far fewer crowds, which means that you can enjoy the sights without getting overwhelmed. Since fewer crowds means less demand, you can also enjoy lower prices on everything from airfare and lodging to meals and admissions. Here are a few of the best vacation spots for the winter to get you inspired for planning your next trip: San Diego A lot of people think that California is sunny and warm all year long, but the upper two thirds get cold in the winter, and the northern parts even get a large share of snow. San Diego is in the southern part…