What should I pay attention to when traveling to Lima, Ecuador in summer?

Average summer temperature in Lima 15~20℃. The average temperature during the day is 20 degrees Celsius. It is recommended to wear short suits, T-shirts, thin jeans, casual clothes, professional suits and other comfortable clothes made of single-layer cotton and linen fabrics. The average temperature at night is 65438 05℃. It is recommended to wear warm clothes such as suits, jackets, coats, suits and thin sweaters. The cities with the highest daily average temperature in Lima in summer are Arequipa (2 1℃), Juliaca (), Cajamarca (2 1℃) and Cuzco (19℃). The cities with the lowest average daily temperature in Lima in summer are Arequipa (9℃), Juliaca (), Cajamarca (7℃) and Cuzco (7℃).