The Southwest and Southeast are the warmest regions in the US. However, out of the four regions defined by the census bureau, the West and South would have to be the warmest.
The Pacific
The warmest city in the US to visit in December is typically Miami, Florida, with average temperatures ranging from 60-77F.
The best safest and warmest city in the US is the city of Scottsdale, Arizona. In second place is the city of Plano, Texas.
Hawaii
corpsi christi texas
In the United States, the states that typically experience the warmest temperatures in January are Hawaii and Florida.
Mesa and Gilbert are the warmest and driest cities in the winter in the United States. Generally the warmest and driest state during winter in the United States is Arizona.
Lake havasau
The Indian ocean is the warmest ocean
Yes, 2017 was one of the warmest years on record, but not the warmest.
No, in fact 2012 continued the warming trend of the previous years. It was "the warmest year on record" for the lower 48 states of the US, and the eighth warmest year world-wide.