What should I wear to travel to Poland in March?

The average temperature in Poland in March is-1℃~7℃. The average temperature during the day is 7℃. It is recommended to wear trench coats, coats, jackets, sweaters, sweaters, suits, winter clothes and other warm clothes. The average temperature at night is-65438 0℃. 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 coats. The cities with the highest daily average temperature in Poland in March are Poznan (8℃), Wroclaw (9℃), Gdansk (6℃) and Warsaw (7℃). The cities with the lowest daily average temperature in March in Poland are Poznan (0℃), Wroclaw (0℃), Gdansk (0℃) and Warsaw (-1℃).