Vietnam Ha Long Bay Weather in April (peak spring · best month) — Climate Guide
April (peak spring · best month) in Ha Long Bay is Perfect
April (peak spring · best month) is Perfect for Ha Long Bay.
Ha Long Bay's best month — 20/26°C, clear skies, perfect for cruise photography + kayaking + cooking class outdoors. Hotels at peak rates as international + Vietnamese travelers arrive. Book cruises 2-3 months ahead. April 30-May 1 holidays bring big crowds + price spike.
Travel score
Ha Long Bay April (peak spring · best month) Weather Stats
Avg High
26°C
Avg Low
20°C
Rainy Days
12
60mm total
Sunshine
5h
Daily avg
Humidity
84%
Warm + humid
UV Index
7
High
Wind
7 km/h
Gusts 13
Sea Temp
22°C
Swimmable
Crowds
Very busy
At attractions
April (peak spring · best month) Sunrise & Sunset
Air Quality
PM2.5
28 μg/m³
PM10
50 μg/m³
Status
Moderate
Feels-Like Temperature & Wind
Feels like
Daytime
27°C
Nighttime
19°C
Humidity and wind affect how the actual temperature feels.
Wind
7 km/h
Max gust 13 km/h
Activities Recommended for April (peak spring · best month)
April (peak spring · best month) Travel Pros & Cons
Pros
- Ideal 20/26°C
- Clear skies for photos
- Warm enough to swim
- Long days
Cons
- Hotel prices peak
- Big holiday crowds late April
- Pre-typhoon humidity rising
April (peak spring · best month) Events & Festivals
- Liberation Day (April 30) + International Labor Day (May 1)
Ha Long Bay in April (peak spring · best month) — Full Picture
Ha Long Bay's best month — 20/26°C, clear skies, perfect for cruise photography + kayaking + cooking class outdoors. Hotels at peak rates as international + Vietnamese travelers arrive. Book cruises 2-3 months ahead. April 30-May 1 holidays bring big crowds + price spike.
What to Wear & What to Pack
T-shirts + shorts daytime, light jacket evenings. Swimwear for kayaking + Ti Top beach.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current26°C
19.7°C
12.3/mo
Summer (Jun·Jul·Aug)
31.7°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 |
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Ha Long Bay April (peak spring · best month) Hotel Picks
Frequently Asked Questions
Is April (peak spring · best month) a good time to visit Ha Long Bay?
Ha Long Bay in April (peak spring · best month) is Perfect. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Ha Long Bay in April (peak spring · best month)?
Ha Long Bay April (peak spring · best month) averages a high of 26°C and a low of 20°C.
Does it rain much in Ha Long Bay in April (peak spring · best month)?
Ha Long Bay April (peak spring · best month) averages 60mm of rainfall over about 12 rainy days.
What should I wear in Ha Long Bay in April (peak spring · best month)?
T-shirts + shorts daytime, light jacket evenings. Swimwear for kayaking + Ti Top beach.
What time are sunrise and sunset in Ha Long Bay in April (peak spring · best month)?
Ha Long Bay April (peak spring · best month) sunrise is 05:30 and sunset is 18:25, with 12h 55min of daylight.
What's the air quality like in Ha Long Bay in April (peak spring · best month)?
Ha Long Bay April (peak spring · best month) air quality (AQI) averages 65, rated Moderate. PM2.5 averages 28μg/m³.
What activities are recommended in Ha Long Bay in April (peak spring · best month)?
In April (peak spring · best month), Ha Long Bay is great for Cruise full circuit, Kayaking, Ti Top swim.
Is April (peak spring · best month) peak season in Ha Long Bay?
Ha Long Bay April (peak spring · best month) crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit 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.