what is the warmest us city in december?
Best December Vacation Weather in the Continental US. Warmest City = Miami, Florida averages highs of 77.9 Â°F daily. Warmest Ocean = the Atlantic at Miami Beach, Florida is 73 Â°F. Warmest Park = Everglades Park, Florida has daytime highs of 82.4 Â°F. Driest Warm Place = Lajitas, Texas gets 0.23 inches of rain. Sunniest Warm City = Yuma in southwest Arizona has 82 % sunshine.