The weather in Hong Kong in May is very hot. The average temperatures are between 25°C and 29°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of May in Hong Kong. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Hong Kong in May 2025.
If you’re planning to visit Hong Kong in the near future, we highly recommend that you review the 14 day weather forecast for Hong Kong before you arrive.