Hanoi Weather in April

April in Hanoi is hot, but scorching heat is only occasional, so people rarely feel unbearably oppressive. Rainfall increases, but it is not continuous and each does not last long. Daylight hours are ample, and sunshine is frequent. Additionally, there are numerous festive activities. Overall, it is a comfortable, lively period ideal for travel.

Mild-Hot Temperature

The first half of April in Hanoi still holds a faint hint of spring: with lows ranging from 18 to 22 degrees Celsius (64 - 72 degrees Fahrenheit) and highs between 25 and 30℃ (77 - 86℉), it’s pleasant to venture out for most of the day, like walking along Hoan Kiem Lake to enjoy gentle breeze caressing your face.

By the second half of the month, temperatures rise noticeably and the weather starts to show summer features: lows climb to 22 - 26℃ (72 - 79℉) and highs reach 29 - 34℃ (84 - 93℉). While you’ll inevitably sweat a bit if you go city walking at noon, the early mornings and evenings remain mild and agreeable.

Moderate Rainfall

In Hanoi during April, the northeast monsoon fades and the southwest monsoon carrying warm and humid air currents sweeps northward. Coupled with strong convective weather triggered by rising temperatures, rainfall increases significantly.

The monthly average rainfall is about 90 mm, from about 13 rainy days. Most of the rain falls as showers - intense yet fleeting. It is common to see clear blue sky one moment and sudden heavy downpour the next, only for the sun to come out again within minutes. After the showers, the heat is dispelled and the air becomes exceptionally fresh. In particular, the red walls and green tiles of Tran Quoc Pagoda, rinsed by the rain, glow with vibrant colors, and their reflections shimmering on West Lake like an elegant ink painting.

Daytime and Sunshine Duration Prolong

April in Hanoi brings a full 13 hours of daylight. The sun typically rises at 5:25 - 5:48 and sets at 18:12 - 18:22. You need not to worry about that there is no ample time to unhurriedly check off all the attractions on your list throughout the day.

Additionally, as clashes between cold and warm air masses become less frequent and warm air gradually dominates, clouds thin out and sunny days grow more common, with the average daily effective sunshine duration hitting 4 hours. When sunlight shines over the flagstone paths of the 36 Old Streets, dappled light and shadow interweave, giving the pathways a cozy, nostalgic charm perfect for strolling and snapping photos.

Is April a Good Month to Visit Hanoi?

Yes, April is indeed a great time to visit Hanoi.

First of all, the weather conditions are relatively pleasant. It has not yet entered the sweltering summer season, rainfall is not very frequent, and sunshine is abundant - making it ideal for almost all kinds of outdoor activities.

Second, the festive atmosphere is truly vibrant. This month features two key festivals: the Hung Kings Commemoration Day on the 10th day of the third lunar month, falling on April 26 in 2026, and Vietnam’s Reunification Day on April 30, letting you fully immerse yourself in the lively festive vibes.

Festival Highlights

1.The Hung Kings Commemoration Day is a cherished traditional Vietnamese festival honoring the nation’s ancestors. On this day, grand sacrificial rituals are held at numerous scenic spots, and you can also experience authentic Vietnamese traditional song and dance performances.

2. Reunification Day in Hanoi lets you see the city lined with national flags and fresh flowers everywhere. Also, you can enjoy the grand parades and folk art shows at Ba Dinh Square, and watch the dazzling fireworks displays over Hoan Kiem Lake at night.

What to Pack to Visit Hanoi in April?

Clothes: Basically, summer clothes are sufficient. For example, breathable short-sleeved T-shirts, skirts, dresses, shorts, light trousers, and thin jeans. In the early morning and evening of the first half of the month, it’s a little bit cool, so it’s best to bring a light jacket or a long-sleeved shirt as well.

Shoes: Wearing sports shoes or casual shoes is fine. If you’re worried about feeling hot or sweaty, you can also bring flip-flops or sandals.

Others: 
1. In April, the temperature rises and mosquitoes tend to breed. It is recommended to carry mosquito repellent.

2. The ultraviolet index can reach over 11. It’s best to bring a complete set of sun protection items, such as sunscreen, sun hats and sunglasses.

Travel Recommendations for Hanoi in April

When the midday sun is blazing or it rains, head to Hanoi’s classic indoor spots. For instance, you can watch Vietnam’s national treasure performance at the Water Puppet Theatre, wander through the halls of the Hanoi National Museum to learn about the city’s history, or duck into a cafe in the 36 Streets and enjoy a cup of coffee in the cool air conditioning.

The cool hours of early morning and late afternoon are more suitable for outdoor sightseeing. For instance, head to Ba Dinh Square at 6:30 a.m. to watch the flag-raising ceremony, and take a lakeside stroll around Hoan Kiem Lake in the evening. If you want a more unique experience, pay a visit to Train Street, where multiple trains pass by every day from 5 to 6 a.m. and after 7 p.m. This lets you experience the thrill of trains rushing past just inches away, as they weave through residential neighborhoods and street-side shops.

Tips

1.Hanoi experiences relatively high temperature during the midday in April. When you suddenly enter an air-conditioned room from outside, you may feel a bit cold due to the temperature difference. It is recommended to carry a thin jacket or a shawl with you.

2.Try to minimize outdoor activities during the noon hours. Excessive exposure to the sun can make you feel tired and may even lead to dehydration. Remember to replenish electrolyte water in time.

3.During festival periods, visitor numbers at tourist attractions and shopping malls tend to increase significantly. It is advisable to schedule visits during off-peak hours to avoid overcrowding and ensure a more comfortable and enjoyable experience.

Hanoi Weather by Month