May marks the beginning of summer in Hanoi. Temperatures rise significantly, and rainfall becomes more frequent, yet this time of year brings a unique charm that sets Hanoi apart from other destinations in Vietnam. Read on to discover everything you need to know about Hanoi weather in May and how to make the most of your trip.
Hanoi Weather & Temperature in May

- Temperature: The average temperature in Hanoi during May is around 28°C. Daytime highs can reach 31°C, while nighttime lows drop to 24°C, creating a warm but bearable climate.
- Rainfall: Hanoi receives around 190mm of rain in May, nearly double the amount in April.
- Rainy Days: Expect between 14 to 18 wet days, with rain usually increasing towards the end of the month.
- Sunshine Hours: You can enjoy about 7 hours of sunshine per day, typically from 8 AM to 3 PM.
- Humidity: The average humidity is around 69%, slightly higher than April.
While many travelers are cautious about visiting Hanoi in May due to the heat, it’s actually cooler than the peak summer months of June and July. Afternoon showers help reduce the temperature, and indoor activities offer a relaxing way to escape the sun.
Additionally, May is part of the off-peak travel season, which means lower prices for flights, hotels, and attractions. The city is less crowded, and you’re more likely to receive personalized service wherever you go.
Top Things to Do in Hanoi in May
Enjoy Tranquil Street Walks

May is the blooming season for flamboyant red flowers and purple Lagerstroemia. Strolling through Hanoi’s leafy streets while listening to cicadas in the background offers a tranquil escape from the hustle and bustle of daily life.
Cool Off with Local Drinks

In the warm weather, refreshing local treats like coconut ice cream, pickled fruits, and Tao Pho (tofu dessert) are perfect for cooling down. Popular spots like Trang Tien near Hoan Kiem Lake serve delicious lemon and coconut ice cream. Don’t forget to try sweet soups like Che Khuc Bach and lotus seed dessert.
Relax at Ho Tay Water Park

Escape the heat with a fun-filled day at Ho Tay Water Park. With attractions like water slides, wave pools, a lazy river, and rides for all ages, it’s a great destination for families and groups.
Take a Night Stroll in the Old Quarter

As the sun sets, Hanoi comes alive. Head to Ta Hien Street in the Old Quarter for nightlife, cold beer, and people-watching. Cooler temperatures at night make it ideal for evening walks and exploring hidden alleys.
Events & Festivals in Hanoi in May
- International Labor Day (May 1st): This public holiday, celebrated right after Reunification Day (April 30), often results in a long weekend. Expect large crowds and price surcharges on accommodations and tours.
- President Ho Chi Minh’s Birthday (May 19th): A day of national pride, with ceremonies held at Ho Chi Minh Mausoleum and celebrations throughout the capital.
Travel Tips for Visiting Hanoi in May
- Sudden showers can occur any time, but they usually don’t last long and offer a pleasant break from the heat.
- Pack a lightweight raincoat and enjoy the romantic experience of walking in the rain.
- May offers excellent deals on accommodation and flights — perfect for budget-conscious travelers looking to avoid long waits and crowds.
What to Pack for Hanoi in May
- Light, breathable clothing such as cotton or linen
- Long-sleeved shirts to avoid sunburn
- Sunscreen and a wide-brim hat
- Reusable water bottle to stay hydrated
- Raincoat and insect repellent
In conclusion, Hanoi in May offers a distinct experience with seasonal beauty, fewer tourists, and budget-friendly travel options. Whether you’re here for culture, cuisine, or adventure, May is a great time to explore the Vietnamese capital. Don’t forget to check out our best Hanoi tours to make the most of your visit!
We hope this information about Hanoi’s May weather inspires your travel plans and helps you make the most of your early summer adventure in Vietnam’s vibrant capital. For a truly memorable experience, contact World Mate Travel, your trusted Vietnam travel agency!
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