The climate in Hong Kong during May can be summarized as hot, humid and very wet.
May is in the spring in Hong Kong and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (83°F), whilst at night 24°C (75°F) is normal.
|Daytime temperature||28.6°C 83.4°F|
|Nightly temperature||23.7°C 74.6°F|
|Average temperature||26.1°C 79°F|
|Daily sunshine||5.5 hrs|
|Avg rainfall||292 mm 11.5 ins|
|Rainy days||15 days|
|Sea temperature||25.9°C 78.6°F|
|Windspeed||10.1kph 6 mph|
On average May is the 4th wettest month of the year in Hong Kong with around 292mm 11.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Hong Kong in May 2021.
|Hottest month:||July||31.3°C 88.3°F|
|Driest month:||January||25mm 1ins|
|Coldest month:||January||18.4°C 65.1°F|
|Wettest month:||August||368mm 14.5ins|