Halong Bay Weather in April: Spring Sunshine & Perfect Cruising Conditions

April is one of the best months to visit Halong Bay, thanks to its warm temperatures, sunny days, and calm waters.

The Halong Bay weather in April strikes a perfect balance for outdoor adventures, from cruising to swimming and kayaking.

With minimal rainfall and extended daylight, visitors can explore the bay’s breathtaking limestone formations, serene beaches, and hidden caves with ease. 

Halong Bay Weather in April
- Peak/ Off Season Cost Crowded Temperature Chance Of Storm Average Rainy Days Publish Holiday
April Weather 🔴 $$ 👤👤 28°C - (82.4 °F) 🌩🌩🌩 6-9 Days None

April Weather Chart

🔴 : Good Weather

🌩: Low Chance Of Storm

👤: Crowded

$$$: Higer Cost

halong bay weather in april look like this

Overview of Ha Long Bay Weather in April

Average Temperature:

  • Highest: 28°C (82.4°F)
  • Lowest: 22°C (71.6°F)
  • The Halong Bay weather in April is characterized by spring sunshine, mild temperatures, and dry conditions. Average daytime temperatures range between 22°C and 28°C, with highs reaching up to 29°C on warmer days. Evenings remain pleasantly cool, with temperatures dropping to around 20°C, creating a refreshing contrast to the warm afternoons.

Humidity: 80%

Humidity levels range from 75% to 80%, which, combined with gentle breezes, ensures comfortable weather throughout your stay.

Rainfall: 20-50mm per month 

Rainfall in April is minimal, averaging 20-50mm over 6-9 rainy days. These occasional light drizzles rarely interfere with outdoor plans, making it one of the driest months of the year.

Average hours of sunshine per day: 8-9 hours

With sunshine lasting 8-9 hours daily, April offers ample daylight for exploration. The warm and dry Halong Bay weather in April is perfect for travelers seeking to enjoy the bay’s natural wonders, whether on a cruise, a beach, or a kayaking trip.

Chance of Storms: Low Chance Of Storm 

Pros and Cons of Travelling To Halong Bay In April Infographic

Pros and Cons of Visiting HaLong Bay in April

Pros:

  • Warm, sunny, and dry: April welcomes ideal weather with temperatures ranging from 22–28°C, low rainfall, and blue skies – perfect for beach time, kayaking, and swimming.
  • Cruise-friendly seas: Calm sea conditions and long daylight hours make this a golden month for overnight cruises, cave visits, and island hopping.
  • Scenic beauty in full bloom: Nature is vibrant in April – green cliffs, blooming flora, and clear skies make for a postcard-perfect landscape.

Cons:

  • Increased travel demand: With excellent weather and the start of Vietnam’s domestic travel season, Halong Bay sees more visitors, especially during the Reunification Day holiday period.
  • Higher prices toward month-end: As the 30/4 holiday approaches, hotel and cruise rates increase – especially for long weekends.
Reunification Day Crowds

Public Holidays & Festivals April

Hung Kings’ Commemoration Day (10th day of the 3rd lunar month)

Usually falls in April. Though not directly celebrated in Halong, it’s a national holiday and may affect travel volume/pricing.

Reunification Day (April 30)

A major public holiday that marks the end of the Vietnam War. Expect more domestic travelers during this period.

t-shirt and shorts
sweater
sunscreen and essential items

What to wear in Halong Bay in April?

Packing for Halong Bay weather in April requires versatile clothing that accommodates warm days and cool evenings. Here’s a guide to help you pack:

For daytime

Daytime in April is sunny and warm, making lightweight clothing essential:

  • T-shirts, tank tops, or breathable blouses for staying cool during activities.
  • Shorts, skirts, or loose trousers for comfort and flexibility.
  • A sunhat, sunglasses, and sunscreen to protect yourself from UV rays while cruising or sightseeing.

For evenings

Evenings in Halong Bay are cooler, especially on the water. Pack:

  • A light sweater or cardigan to layer up when temperatures dip.
  • Long trousers or casual pants for evening strolls or outdoor dinners.
  • Comfortable closed-toe shoes for exploring night markets or enjoying night time cruises.

For water activities

April’s warm waters make swimming and kayaking highly enjoyable. Don’t forget:

  • Quick-drying swimwear or rash guards for water-based activities.
  • Waterproof sandals or shoes with good grip for boarding boats or kayaking.
  • A lightweight waterproof jacket or bag to keep your belongings dry.

The Halong Bay weather in April is ideal for outdoor adventures, and being prepared ensures a comfortable and enjoyable experience.

Conclusion
The Halong Bay weather in April provides the perfect conditions for outdoor adventures with warm temperatures, clear skies, and minimal rainfall.

Whether you’re cruising, relaxing on tranquil beaches, or exploring caves, April showcases the bay’s natural beauty at its finest.

While the peak season brings more visitors and higher prices, the exceptional weather and extended daylight make it an unforgettable time to explore this iconic destination.