Vietnam Ha Long Bay Weather in July (peak monsoon · avoid) — Climate Guide
July (peak monsoon · avoid) in Ha Long Bay is Avoid
July (peak monsoon · avoid) is Avoid for Ha Long Bay.
Worst month for Ha Long Bay — typhoon season + heaviest rain + cruise cancellations common. Strongly avoid for first-time visitors. Only consider if you have flexible dates + cancellation insurance + low budget priority.
Travel score
Ha Long Bay July (peak monsoon · avoid) Weather Stats
Avg High
32°C
Avg Low
26°C
Rainy Days
17
290mm total
Sunshine
6h
Daily avg
Humidity
84%
Brutal humidity
UV Index
10
Very high
Wind
10 km/h
Gusts 20
Sea Temp
28°C
Warm but algae
Crowds
Quiet
At attractions
July (peak monsoon · avoid) Sunrise & Sunset
Air Quality
PM2.5
32 μg/m³
PM10
55 μg/m³
Status
Moderate
Feels-Like Temperature & Wind
Feels like
Daytime
36°C
Nighttime
27°C
Humidity and wind affect how the actual temperature feels.
Wind
10 km/h
Max gust 20 km/h
Activities Recommended for July (peak monsoon · avoid)
July (peak monsoon · avoid) Travel Pros & Cons
Pros
- Cheapest cruise prices
- Smallest crowds
Cons
- Typhoon season
- Cruises cancel 25-35% of days
- Poor photography
- Jellyfish + algae blooms
July (peak monsoon · avoid) Events & Festivals
- Peak typhoon season begins
Ha Long Bay in July (peak monsoon · avoid) — Full Picture
Worst month for Ha Long Bay — typhoon season + heaviest rain + cruise cancellations common. Strongly avoid for first-time visitors. Only consider if you have flexible dates + cancellation insurance + low budget priority.
What to Wear & What to Pack
Lightest fabrics + rain gear. Sun hat + SPF 50+ for sunny spells.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
26°C
19.7°C
12.3/mo
Summer (Jun·Jul·Aug)
Current31.7°C
26°C
16.7/mo
Autumn (Sep·Oct·Nov)
27°C
21.7°C
9.3/mo
Winter (Dec·Jan·Feb)
20°C
14°C
8/mo
Ha Long Bay Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 19° | 13° | 8d·25mm | 4h | 78% | 4 | Moderate | Shoulder | |
| 20° | 14° | 10d·30mm | 3h | 80% | 4 | Moderate | Shoulder | |
| 22° | 16° | 11d·35mm | 4h | 82% | 5 | Busy | Peak | |
| 26° | 20° | 12d·60mm | 5h | 84% | 7 | Very busy | Peak | |
| 30° | 23° | 14d·175mm | 6h | 84% | 9 | Moderate | Shoulder | |
| 32° | 26° | 15d·250mm | 6h | 84% | 10 | Quiet | Low season | |
| 32° | 26° | 17d·290mm | 6h | 84% | 10 | Quiet | Low season | |
| 31° | 26° | 18d·320mm | 5h | 85% | 9 | Quiet | Low season | |
| 30° | 24° | 14d·240mm | 6h | 82% | 8 | Quiet | Low season | |
| 27° | 22° | 8d·100mm | 6h | 76% | 7 | Very busy | Peak | |
| 24° | 19° | 6d·50mm | 6h | 75% | 5 | Busy | Peak | |
| 21° | 15° | 6d·25mm | 5h | 77% | 4 | Moderate | Peak |
View Other Months
Ha Long Bay July (peak monsoon · avoid) Hotel Picks
Frequently Asked Questions
Is July (peak monsoon · avoid) a good time to visit Ha Long Bay?
Ha Long Bay in July (peak monsoon · avoid) is Avoid. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Ha Long Bay in July (peak monsoon · avoid)?
Ha Long Bay July (peak monsoon · avoid) averages a high of 32°C and a low of 26°C.
Does it rain much in Ha Long Bay in July (peak monsoon · avoid)?
Ha Long Bay July (peak monsoon · avoid) averages 290mm of rainfall over about 17 rainy days.
What should I wear in Ha Long Bay in July (peak monsoon · avoid)?
Lightest fabrics + rain gear. Sun hat + SPF 50+ for sunny spells.
What time are sunrise and sunset in Ha Long Bay in July (peak monsoon · avoid)?
Ha Long Bay July (peak monsoon · avoid) sunrise is 05:25 and sunset is 18:55, with 13h 30min of daylight.
What's the air quality like in Ha Long Bay in July (peak monsoon · avoid)?
Ha Long Bay July (peak monsoon · avoid) air quality (AQI) averages 70, rated Moderate. PM2.5 averages 32μg/m³.
What activities are recommended in Ha Long Bay in July (peak monsoon · avoid)?
In July (peak monsoon · avoid), Ha Long Bay is great for Hanoi indoor, Cooking class onboard (weather permitting), Cave visits indoor.
Is July (peak monsoon · avoid) peak season in Ha Long Bay?
Ha Long Bay July (peak monsoon · avoid) crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Ha Long Bay
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.