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Cascade Range your welcome josh.
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California
Flouida
New England/ East Coast.
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.
It is warmest in the southwestern deserts and Hawaii, especially during summer months.
The Pacific
The most mild temperatures -- warmest locations -- in Antarctica are on the Antarctic Peninsula, the northern-most part of the continent. From its Wikipedia page, these details are available from the weather facility at Palmer Research Station (64.77°S, 64.05°W), which is supported by the US: "The temperature is mild, with monthly averages ranging from minus 10°C in July and August to 2°C in January and February. The annual mean is minus 3°C. The extreme range is minus 31°C to 9°C."
The best safest and warmest city in the US is the city of Scottsdale, Arizona. In second place is the city of Plano, Texas.
Appalachian..
All year round would be Hawaii; In summer Phoenix and Death Valley CA, regularly see temperatures exceeding 110 F
It is the Appalachian Mountain Range.
The Southeastern part of the US is very hot and humid in the summer time. Temperatures are cooler in the winter, but little or no snow falls.
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Hawaii
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.