What should I wear to travel to Boston in winter?

The average temperature in Boston in winter is-2~6 degrees Celsius. The average temperature during the day is 6 degrees Celsius. It is recommended to wear trench coats, coats, jackets, sweaters, sweaters, suits, winter clothes and other warm clothes. The average temperature at night is MINUS 2 degrees Celsius. It is recommended to wear thick warm clothes such as cotton-padded clothes, winter clothes, leather jackets, tweed coats, fedora hats, gloves, down jackets and fur jackets. The cities with the highest daily average temperature in Boston in winter are Abilene (35℃), Akron (28℃), Albany (29℃) and Albuquerque (34℃). The cities with the lowest daily average temperature in winter in Boston are Abilene (-1℃), Akron (-8℃), Albany (-12℃) and Albuquerque (-6℃).