What should I wear when traveling to Sydney, Australia in July?

The average temperature in Sydney in July is 9℃~17℃. The average daytime temperature is 17°C. It is recommended to wear warm clothes such as suits, jackets, windbreakers, casual clothes, jackets, suits, and thin sweaters. The average temperature at night is 9℃. It is recommended to wear warm clothes such as suits, jackets, windbreakers, casual clothes, jackets, suits, and thin sweaters. The cities with the highest average daily temperatures in Sydney in July are Adelaide (15℃), Albany (16℃), Albury (13℃), and Alice Springs (20℃). The cities with the lowest daily average temperatures in Sydney in July are Adelaide (8℃), Albany (7℃), Albury (3℃), and Alice Springs (4℃).