The climate in Hanoi during May can be summarized as very hot, humid and wet.
May is in the spring in Hanoi and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (76°F) is normal.
|Daytime temperature||31.6°C 88.8°F|
|Nightly temperature||24.5°C 76°F|
|Average temperature||28°C 82.4°F|
|Daily sunshine||6.5 hrs|
|Avg rainfall||181 mm 7.1 ins|
|Rainy days||14 days|
|Sea temperature||27.2°C 81°F|
|Windspeed||7.6kph 5 mph|
On average May is the 5th wettest month of the year in Hanoi with around 181mm 7.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 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 Hanoi in May 2023.
|Hottest month:||July||33°C 91.4°F|
|Driest month:||December||19mm 0.7ins|
|Coldest month:||January||19.3°C 66.7°F|
|Wettest month:||August||297mm 11.7ins|