Weather in Hong Kong in April is mainly sunny with relatively low humidity, making the month one of the best to visit the city. The average temperature for April in Hong Kong is a warming, but not suffocating 22C (72).
April's humidity levels remain bearable, although at the end of the month you can expect them to start hitting the high numbers, when it becomes hard to enjoy being outdoors in the city. April is probably the month that best combines pleasant temperatures with equally pleasant humidity.
Unfortunately, it's not all good news, April also brings rain, withprecipitation reaching 137mm. Luckily this is spread over an average of just eight days, meaning most days will be raincoat free.