The climate in Haishan during May can be summarized as warm, humid and wet.
May is in the spring in Haishan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 17°C (63°F) is normal.
|Daytime temperature||22.9°C 73.2°F|
|Nightly temperature||17.1°C 62.8°F|
|Average temperature||20°C 68°F|
|Daily sunshine||4.5 hrs|
|Avg rainfall||200 mm 7.9 ins|
|Rainy days||20 days|
|Sea temperature||20.5°C 68.9°F|
|Windspeed||8.3kph 5 mph|
On average May is the 4th wettest month of the year in Haishan with around 200mm 7.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.5 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 May 2019.
|Hottest month:||July||30.3°C 86.5°F|
|Driest month:||December||45mm 1.8ins|
|Coldest month:||January||9.7°C 49.5°F|
|Wettest month:||June||215mm 8.5ins|