Weather: Ha Long Bay — July
It's a rainy period, but great for indoor activities, museums, and lower prices.
☔ Climate Overview
July is a wet time to visit Ha Long Bay. Hot conditions with temperatures reaching 33°C—stay hydrated and seek shade. This is one of the wettest months—waterproof gear is essential. Being off-peak, you'll find better deals and fewer crowds. Sea temperature of 32°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
33°C
28°C
23days
13.3h
Feels like 40°C / 34°C — humidity makes it feel warmer
280mm
9.7h/day
83%
Very Muggy7.7
Very High16 km/h (gusts 33)
32°C 🏊 Comfortable
Is July a good time to visit Ha Long Bay?
It's a rainy period, but great for indoor activities, museums, and lower prices.
Now
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Air Quality
Travel Context
- CrowdsVery Quiet
- Travel Costs Value Rates
Daylight
05:19
18:36
Visiting Ha Long Bay in July: Pros & Cons
Pros
- Abundant sunshine for beach and outdoor fun
- Fewer crowds and better hotel deals
- Warm sea perfect for swimming and snorkeling
Cons
- Frequent rain may disrupt outdoor activities
- High humidity makes the heat feel oppressive
Things to Do in July
Recommended for This Weather
Ha Long Bay Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 21°C | 16°C | 7d (34mm) | 6.4h | 76% Humid | 4.1 Moderate | | Good |
| Feb | 21°C | 17°C | 6d (33mm) | 5.7h | 82% Very Humid | 4.4 Moderate | | Good |
| Mar | 24°C | 20°C | 10d (31mm) | 6.7h | 84% Very Humid | 5.3 High | | Excellent |
| Apr | 27°C | 23°C | 11d (59mm) | 8.7h | 83% Very Humid | 6.8 High | | Excellent |
| May | 31°C | 26°C | 20d (154mm) | 9.7h | 83% Very Muggy | 7.4 Very High | | Excellent |
| Jun | 33°C | 28°C | 22d (271mm) | 8.7h | 82% Very Muggy | 7.3 Very High | | Wet |
| Jul Current | 33°C | 28°C | 23d (280mm) | 9.7h | 83% Very Muggy | 7.7 Very High | | Wet |
| Aug | 32°C | 27°C | 28d (400mm) | 7.7h | 85% Very Muggy | 6.4 High | | Wet |
| Sep | 31°C | 26°C | 26d (366mm) | 7.8h | 84% Very Muggy | 6 High | | Excellent |
| Oct | 29°C | 23°C | 14d (156mm) | 8.1h | 76% Muggy | 5.9 High | | Excellent |
| Nov | 27°C | 21°C | 7d (32mm) | 8.4h | 74% Humid | 5.3 High | | Excellent |
| Dec | 22°C | 17°C | 3d (12mm) | 7.1h | 69% Humid | 4.4 Moderate | | Good |
Ha Long Bay
UNESCO World Heritage Bay with 1,600 limestone karst islands rising dramatically from emerald waters, overnight junk boat cruises, kayaking through caves, floating villages, and one of Vietnam's most iconic natural wonders.
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What to Pack for July
Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
🎒Personalized Packing List
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Frequently Asked Questions
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More Ha Long Bay Guides
Best Time to Visit
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Things to Do
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Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
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Overview
Complete travel guide for Ha Long Bay: top things to do, itineraries, and typical costs.