The season of December is often characterized as winter in the United States, marked by colder temperatures, snowfall, and festive celebrations. This season is typically associated with the holiday season, including Christmas and New Year's Eve, which are celebrated by many Americans.

December is the coldest month of the year in many parts of the United States, with average temperatures dropping significantly below the annual mean. According to the National Oceanic and Atmospheric Administration (NOAA), the average temperature in December ranges from the 20s to the 30s Fahrenheit (about -6 to -1 degrees Celsius) across the country. In the northern regions, such as Alaska and the northern tier of states, temperatures can plummet well below freezing, often reaching the teens or even below zero. In contrast, the southern states, like Florida and Texas, may experience mild winters with temperatures in the 40s to 60s Fahrenheit (about 4 to 15 degrees Celsius).

The holiday season in December is a time when many Americans engage in festive activities, such as decorating homes with Christmas lights, attending holiday parties, and exchanging gifts. This period is also marked by various cultural and religious celebrations, including Christmas, Hanukkah, and Kwanzaa. The season's cold weather and festive atmosphere contribute to a sense of warmth and community among many Americans.

Data from the U.S. Census Bureau indicates that approximately 70% of Americans celebrate Christmas, while around 18% celebrate Hanukkah and 1.7% celebrate Kwanzaa. The holiday season in December is a significant time for retail sales, with many businesses offering special promotions and discounts to attract customers. According to the National Retail Federation, holiday retail sales in December 2021 reached a record $886.7 billion, reflecting the importance of this season for the economy.

In conclusion, December in the United States is the season of winter, characterized by colder temperatures and festive celebrations. The holiday season brings a sense of warmth and community, with many Americans participating in various cultural and religious festivities. Data from NOAA and the U.S. Census Bureau highlight the significance of December as a time for family gatherings, economic activity, and cultural expression.