May falls in the rainy season. Be prepared May is also the hottest month. The average maximum temperature lies around 33.0°C (91.4°F). During the night it can be very warm as well. With a water temperature of around 30.0°C (86°F), this is a great month to swim. You will see the sun sometimes in this month, it has 124 hours of sun. So what to wear in May? Visitors traveling to Ho Chi Minh City should plan on bringing a totally waterproof rain jacket since it will be raining some days. Also bring your shorts and or a skirt because it can be very warm or even hot.

For other monthly weather averages and what to do in May look at the numbers below.