This is a difficult question to answer without quite a bit more information. First off, it’s obviously going to be pretty cold in most of Europe that time of year, although most of the major cities aren’t known for accumulations of snow. As long as you are okay with cold weather then it’s mostly down to budget and your main interests. I’m guessing that you haven’t been to Europe yet since you didn’t mention any places that you’d prefer to skip this time.
Mexico’s spectacular Día de Muertos (Day of the Dead), bewitches Mexico City at the start of each November. Donning the skeleton face paint for the mass parades in the main Zócalo square is a must, but take time to step back from the party and seek out more intimate family celebrations where deceased loved ones are honoured with candles, sugar skulls and, of course, tequila. If you’d prefer to relax with a rum, then Barbados in November may be more to your tastes. The sugar-cane liquor is thought to have originated here in the 17th century and continues to be the local tipple of choice. Toasting the sunset from one of the island’s magnificent beaches is a quintessential experience. 

Few people travel between Thanksgiving and Christmas—specifically, from the Tuesday after Thanksgiving to the Thursday or Friday before the peak Christmas rush—so you can enjoy substantial savings off peak-season rates (four nights for the price of three, seven nights for the price of five) and your chances of an upgrade are good—if you book through a Caribbean specialist with clout.
Overall this is a perfect time of year to visit almost anywhere in Argentina. When December arrives things really start filling up and all the locals are on their own holidays, so November is the ideal mix of great weather that isn't too steamy, and modest crowds and prices. With Argentina's recent inflation and currency devaluation, it can be hard to know how expensive this trip will be, but for most people it will be cheaper than in recent years.
If intermittent fasting is part of your low-carb routine, use it strategically to skip meals and make travel simpler. Perhaps you rush to your early morning flight and wait to eat until lunch. Or, eat a hearty low-carb breakfast before leaving home and don’t eat again until dinner at your destination. One nice thing about fasting is that you can do it anywhere.
My other two suggestions are San Juan, Puerto Rico and Cartagena, Colombia. Both cities have really wonderful colonial districts and modern resort districts nearby. San Juan is more expensive, but still reasonable, and it has far better beaches. Both have a bit of rain in November, but it tends to come and go quickly. You’ll get similar rainstorms in most of the Caribbean in November, so it’s a bit tricky. I hope this helps. If you had something else in mind let me know and I’ll try again. -Roger 

From November through February there are literally no European cities that could qualify as having “great weather.” We list Tenerife below because it's technically in Europe, although not really much of a cultural destination. Antalya, Turkey (which technically isn't even in Europe), has the closest thing to a sunny climate with acceptable temperatures. So during the winter Europe is all about cultural tourism, and lower hotel prices make it especially appealing for those who like to stretch their travel budgets and avoid crowds at the same time.
By early December the rainy season is pretty much over in Cartagena, and it cools down just a bit more as well, so the weather really doesn't get any better than this. As with most others on this list, right around Christmas you'll find that hotels get more expensive and are more crowded, so if you can go earlier in the month you'll be paying less and dealing with fewer crowds.
My Husband and I plan to holiday in a warm place in December from the 20th away from Namibia where we live. We are not looking at South Africa at all. We would like to see interesting places and cultures. We are not the beach type. We are interested in scenery as well. We visited China last year and it was too cold. We don’t surf and we don’t snorkel. We love people, not too expensive shopping, wildlife and birds.
By the time November rolls around, Cancun has pretty much perfect weather for anyone. The heat of summer and early autumn has turned into a tropical warmth that is usually accompanied by pleasant breezes so it's lovely all day and all evening. The peak season doesn't start until late December so this is the perfect time to visit when rates are still nearly at their summer lows.
Sunny SoCal may be beautiful all year-round, but the more-than-mild temperatures of November make it an even more stellar choice for those hoping for not-too-harsh sun, sand, and sea to chase away any impending winter blues. Head on over to the world-famous Santa Monica Pier or shop till you drop at Third Street Promenade. Of course, there’s also the good old beach itself, where you’ll find surfers, beach babes, locals, and tourists alike mingling festively together at Pacific Park amusement park, the outdoor gym at Muscle Beach, or on the historic Looff Hippodrome Carousel-- there’s also Bergamot Station in the heart of the city, which houses several art galleries to check out.

Located off the coast of East Africa, the Seychelles—an archipelago consisting of 115 islands—is about as close to paradise as you can get. Crystal clear water, lush jungles, and powder-fine sand make it the ultimate early winter escape, particularly for romantic getaways. Book one of the 30 breathtaking pool villas at Six Senses Zil Pasyon, which is among the region's top luxury resorts. The hotel is situated on a private island that offers prime territory for snorkeling, sailing, kayaking, and hiking—plus, the spa has scenic pavilion-style treatment rooms that are worth the trip alone. Health conscious guests will be particularly impressed by the property's new "Eat with Six Senses" program, which is intended to make travelers leave vacation without the guilt that comes with overindulging. There are four tailor-made treatment plans that focus on sleep, detoxing, fitness, and more, depending on the issues you prefer to address. 
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