What should I wear to travel to San Francisco in May?

The average temperature in San Francisco in May is 10℃~ 19℃. The average temperature during the day is 19℃. It is recommended to wear comfortable clothes made of single cotton and linen fabrics such as shorts, T-shirts, thin jeans, casual clothes and professional suits. The average temperature at night is 65438 00℃. 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 San Francisco in May are Abilene (29℃), Akron (2 1℃), Albany (2 1℃) and Albuquerque (26℃). The cities with the lowest daily average temperature in San Francisco in May are Abilene (16℃), Akron (9℃), Albany (7℃) and Albuquerque (9℃).