Vietnam Ha Long Bay Weather in July (peak monsoon · avoid) — Climate Guide
July (peak monsoon · avoid) in Ha Long Bay is Avoid
Ha Long Bay Weather in July (peak monsoon · avoid) — Quick Answer
As of 2026- Avg temp
- 32° / 26°
- Rainfall
- 290mm · 17 days
- Crowds
- Quiet
As of 2026, Ha Long Bay in July (peak monsoon · avoid) averages a high of 32°C and low of 26°C with 290mm of rain over about 17 days. Lightest fabrics + rain gear. Sun hat + SPF 50+ for sunny spells.
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
Planning a July (peak monsoon · avoid) trip to Ha Long Bay?
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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.