As a field expert in climatology and meteorology, I have a deep understanding of weather patterns and seasonal changes across various regions. When it comes to identifying the warmest place in the United States during the month of December, it's essential to consider several factors such as geographic location, climate classification, and historical weather data.

**Step 1: Identifying the Factors Affecting Temperature**
The United States spans a vast area with a diverse range of climates due to its size and geographical features. Coastal areas, for instance, often have more moderate temperatures, while inland regions can experience more extreme conditions. Proximity to large bodies of water can also moderate temperature fluctuations. Additionally, altitude plays a role, with higher elevations generally being cooler.

Step 2: Analyzing Climate Zones
The U.S. can be divided into several climate zones, including the polar, temperate, and tropical zones. For the warmest temperatures in December, we would focus on the southernmost regions that are likely to have a subtropical or tropical climate.

Step 3: Historical Weather Data
Looking at historical weather data can provide insights into which places are consistently warm during December. Cities that are known for their mild winters and lack of snowfall are strong candidates.

Step 4: Considering the List Provided
The list provided includes several cities that are known for their warmer climates. Savannah, Georgia; Beaufort, South Carolina; Orlando, Florida; San Francisco, California; San Antonio, Texas; New Orleans, Louisiana; Santa Monica, California; and Honolulu, Hawaii are all locations that could potentially be the warmest in December.

Step 5: Making a Determination
Among these cities, Honolulu, Hawaii stands out as it is located in a tropical climate zone and typically experiences the warmest temperatures during the winter months. December in Honolulu is characterized by mild weather with average high temperatures around 79°F (26°C) and average lows around 66°F (19°C). It is also worth noting that Orlando, Florida, being in a subtropical climate zone, also tends to have warm weather in December with average highs around 71°F (22°C) and lows around 50°F (10°C).

Conclusion:
Based on the analysis of climatic factors, historical weather data, and the cities listed, Honolulu, Hawaii is likely the warmest place in the United States in December. Its tropical climate ensures consistently warm temperatures that are ideal for those seeking a reprieve from the colder winter climates found in other parts of the country.

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If you love the holidays but hate the cold, why not trade in your heavy coat and wool mittens this year and celebrate a warm Christmas.Savannah, Georgia. ... Beaufort, South Carolina. ... Orlando, Florida. ... San Francisco, California. ... San Antonio, Texas. ... New Orleans, Louisiana. ... Santa Monica, California. ... Honolulu, Hawaii.More items...read more >>