30YearWeather
Halong Bay in June
Halong Bay weather in June - Vietnam
🌧️Wet Season

Halong Bay Weather in June

Plan your June trip to Halong Bay, Vietnam. Based on 30 years of NASA data, expect temperatures of 31°C (high) to 27°C (low), with 64% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 31°C in June. Pack rain gear for around 30 rainy days.

Avg High
31°C

Hottest around day 20

Avg Low
27°C

Coolest around day 1

Rainy Days
30days

64% avg rain chance

Sunshine
8hrs/day

Summer season

Sea Temperature in June

Coastal Waters(Ocean)

31.1°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Coastal Waters

Ocean

Halong Bay coastline

Halong Bay June Weather Calendar

Click any day to see detailed weather information

Currency

VND

Vietnamese đồng

Language

Vietnamese

Driving

Right side

Safety

High Safety

GPI: 1.786

Travel Intelligence

Exclusive flight analytics & health data for Halong Bay

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote
10/ 100
Traffic Index

Off the beaten path

Peak Daily Arrivals

0

slots per day

Peak

Jul

Low

Dec

Monthly Traffic Distribution

20
Jan
21
Feb
18
Mar
21
Apr
20
May
19
Jun
25
Jul
23
Aug
22
Sep
20
Oct
19
Nov
17
Dec
Traffic Level
Low Season

Key Connections

Ho Chi Minh City Tan Son Nhat (SGN)
Da Nang (DAD)
Nha Trang Cam Ranh (CXR)
Seoul Incheon (ICN)
Dalat Lien Khuong (DLI)

Health & Safety Advisory

CDC travel health recommendations

10 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Vietnam.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Vietnam.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

Malaria

CDC recommends that travelers going to certain areas of Vietnam take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasRural areas only; rare cases in the Mekong and Red River DeltasNone in the cities of Da Nang, Hai Phong, Hanoi, Ho Chi Minh City (Saigon), Nha Trang, and Quy NhonDrug resistanceChloroquine and mefloquineSpeciesP. vivax(55%)P. falciparum(44%)P. knowlesi,6P. malariae, andP. ovale(rare)Recommended chemoprophylaxisProvinces of Bình Dương, Bình Phước, Đắk Lắk, Đắk Nông, Gia Lai, Khánh Hòa, Kon Tum, Lâm Đồng, Ninh Thuận, Tây Ninh: Atovaquone-proguanil, doxycycline, tafenoquine2All other areas with malaria transmission (except Mekong and Red River Deltas): Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine2Mekong and Red River Deltas: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

+4 more

Source: CDC Travelers' Health

View Complete Health Guide

Is June a Good Time to Visit Halong Bay?

🤔Requires preparation but many visit successfully
Short Answer

⚠️ June falls in Halong Bay's typhoon season. While daily weather averages 31°C with 64% rain, tropical storms can disrupt travel. Flexible bookings recommended.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Oppressive heat and humidity

30.8°C with 85% humidity - challenging conditions

High rainfall period

64% rain probability, 7mm average

Vaccinations required

Yellow Fever

Feels significantly hotter than 30.8°C

Heat index: 42°C due to 85% humidity

Warm tropical seas

31.1°C sea temperature - Hot Soup

Good For

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👨‍👩‍👧‍👦
    Families with children

    42°C heat index dangerous for children

  • 👴
    Elderly travelers

    Heat index of 42°C poses health risks

  • 🥾
    Outdoor enthusiasts

    64% rain probability disrupts outdoor activities

  • 📸
    Photographers

    87% cloud cover limits natural light opportunities

900 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Halong Bay in June averages 31°C with 64% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Halong Bay in June

What are the temperatures in Halong Bay in June?

Daytime highs average 31°C, nights drop to 27°C. Temperatures remain fairly consistent.

How many rainy days in Halong Bay in June?

Expect around 30 days with measurable rainfall. Definitely pack rain gear.

What to wear in Halong Bay in June?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is June peak season in Halong Bay?

This is off-peak season. Expect lower prices and fewer crowds.