What is the weather like in Halong Bay throughout the year?

Halong Bay experiences varying weather throughout the year. The warmest month is July with average highs of 31°C. The coolest month is January.

What is the weather like in Halong Bay in December?

Halong Bay in December scores 58/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Halong Bay in December?

December in Halong Bay is ideal for: Families with children, Elderly travelers, Outdoor enthusiasts, Cultural tourists, Honeymoon couples.

Best Time to Visit Halong Bay | 30-Year Weather Analysis

Why December is the Best Time to Visit Halong Bay

Is December a Good Time to Visit Halong Bay?

👌Good option with minor considerations(58/100)

Short Answer

December brings storm season risk to Halong Bay. While typical weather is 21°C with 8% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Vaccinations required

Yellow Fever

Ideal temperature range

21°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 8% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Schistosomiasis

Shoulder season - balanced conditions

68% of peak - good value with moderate crowds

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 21°C temperatures and low 8% rain risk
👴
Elderly travelers
Comfortable 21°C temperature range with manageable humidity
🥾
Outdoor enthusiasts
Ideal hiking conditions: 21°C, 8% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 100/100 with romantic weather conditions

Who Should Avoid

💼
Business travelers
Storm season may cause flight disruptions

Warmest

July

31°C avg

Coolest

January

19°C avg

Driest

December

8% rain

Wettest

August

73% rain

Planning Your Trip to Halong Bay, Vietnam

Wondering when is the best time to visit Halong Bay? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Halong Bay are December, January, November. During these months, you'll experience optimal temperatures around 21°C with only 8% chance of rain.

The Halong Bay climate varies throughout the year. July is the hottest month with average highs of 31°C, while January is the coldest at 19°C. If you're planning outdoor activities or sightseeing in Halong Bay, avoid August when rainfall peaks at 73% probability.

For the best Halong Bay weather experience, we recommend visiting during December for the driest conditions or the shoulder months of December and January for a perfect balance of weather and fewer crowds.

Halong Bay Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Halong Bay

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit Halong Bay: Travel Style Guide

Personalized Halong Bay travel recommendations based on 30-year weather data

Beach Lovers

Warmest weather with ideal sea temperatures for swimming

OctoberAprilNovember

Avoiding Crowds

Fewer tourists with acceptable weather conditions

May

Photography

Best light conditions with clear skies

DecemberJanuaryFebruary

Honeymoon

Perfect conditions for a romantic getaway

JanuaryFebruaryMarch

Halong Bay Weather FAQ: Your Questions Answered

What is the best time to visit Halong Bay?

Based on 30 years of weather data, the best months to visit Halong Bay are December, January, November. These months offer the optimal combination of pleasant temperatures (21°C avg) and low rainfall (8% chance).

When is the hottest time of year in Halong Bay?

July is historically the warmest month in Halong Bay with average highs of 31°C. If you prefer cooler weather, consider visiting in January when temperatures average around 19°C.

When is the rainy season in Halong Bay?

August typically sees the most rainfall in Halong Bay with a 73% chance of rain. For the driest conditions, plan your visit in December when rain probability drops to just 8%.

How accurate is the Halong Bay weather forecast?

Our Halong Bay climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to Halong Bay.

What should I pack for Halong Bay?

Packing depends on when you visit. In July (warmest month), pack light summer clothes for 31°C weather. In January (coolest month), bring layers for 19°C temperatures. During August, pack rain gear as there's a 73% chance of rain.

Is Halong Bay good for a destination wedding?

Yes! The best months for an outdoor wedding in Halong Bay are December (only 8% rain chance) and December for optimal weather conditions. Avoid August when rain probability peaks at 73%.