By the time May approaches, average highs reach up to 28°C. The average high temperature in May is 29°C (84°F) and the low temperature is 24°C (75°F). Hong Kong, China - Travel and vacation weather averages, current conditions and forecasts. 1 Aug 2019 - … The monthly average temperature in Hong Kong for April is 24°C. The 23 rd day of the third lunar month (the end of April) is the Birthday of Tin Hau.On this day, more than 70 Tin Hau temples in Hong Kong will host celebrations. Hong Kong weather in 2019: record for thunderstorms equalled, more hot nights than ever, and one freak afternoon that ‘turned day into night’ Summer arrives in late May and sudden downpours or storms may occur from time to time. At 1.40pm on July 31, the Hong Kong Observatory issued its first No 8 typhoon signal of the year as Wipha hit the city. Winter weather in Hong Kong (mid-December to February) is noticeably cooler than the city's other seasons but is nevertheless mild. What's the Weather like in Hong Kong in April . Protesters gather outside the Eastern Courts to support the arrested anti-extradition Bill protesters who face rioting charges, as the typhoon Wipha approaches Hong Kong on Jul 31, 2019. The Hong Kong Observatory is a government department responsible for monitoring and forecasting weather, as well as issuing warnings on weather-related hazards. Temperature . As it is in the rainy season, the Hong Kong weather in May is hot and humid, but it is still suitable for travel. Daytime averages stay close to 26°C with a mild nighttime average of 21°C. The signal was downgraded to No 3 about 10 hours later. The Observatory also monitors and assesses radiation levels in Hong Kong, and provides other meteorological and geophysical services to meet the needs of the public and the shipping, aviation, industrial and engineering sectors. Hong Kong is one of the best places to experience these two Chinese festivals. With the northeast monsoon over southern China weaker than normal for most of the time in the month, December 2019 was much warmer than usual in Hong Kong. The monthly mean maximum temperature was 21.9 degrees, 1.7 degrees above the normal figure of 20.2 degrees and one of the fourth highest on record for December. This is a good time for traveling because spring is an important season when all flowers begin to blossom, grass and trees turn green, and birds are singing on the branches. April 28 th is Champions Day, which is one of the greatest international horse racing tournaments in Hong Kong.Featuring three top contests in one day, this is an exciting event for horse racing fanatics. With an average temperature between 20°C (68°F) and 25°C (77°F), the Hong Kong weather in April is warm and humid. The average temperature for April in Hong Kong is … The best time to visit Hong Kong is from October to early December, when the weather is sunny, cool, and pleasant.. January/February is the best time to experience Hong Kong festivals, as it is the time when the Spring Festival and the Lantern Festival are celebrated. Weather in Hong Kong in April is mainly sunny with relatively low humidity, making the month one of the best to visit the city. April really starts to heat up in Hong Kong as temperatures wander away from winter temperatures and approach summer temperatures.