🌧️
Weather in Ha Long Bay
🇻🇳 Vietnam
Climate Type
🌺Subtropical
Current Weather
25°C
Rain• 93% humidity
24°C
Avg Temperature
178
Rainy Days/Year
80%
Avg Humidity
91
Sun Hours/Year
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⚠️ Weather Alerts
🌀
Hurricane/Typhoon Risk
Storm season: August, September, October, November
Monthly Weather Overview
Average conditions throughout the year
| Month | Temp | Rain | Humidity | Conditions |
|---|---|---|---|---|
January | 17°C | 7 days | 73% | |
February | 18°C | 9 days | 82% | 💧 |
March | 20°C | 9 days | 83% | ✓💧 |
April | 25°C | 11 days | 86% | ✓💧 |
May | 27°C | 20 days | 85% | ✓🌧️💧☀️ |
June | 29°C | 27 days | 86% | 🌧️💧☀️ |
JulyAvoid | 29°C | 26 days | 85% | 🌧️💧☀️ |
AugustAvoid | 29°C | 28 days | 85% | 🌧️💧☀️ |
SeptemberAvoid | 28°C | 23 days | 84% | ✓🌧️💧 |
OctoberBest | 26°C | 9 days | 73% | ✓☀️ |
NovemberBest | 23°C | 5 days | 70% | ✓☀️ |
DecemberBest | 19°C | 4 days | 70% |
✓ Ideal temp (20-28°C)🌧️ Rainy (15+ days)🔥 Hot (32°C+)❄️ Cold (<10°C)💧 Humid (80%+)☀️ Sunny (8h+)
Climate Charts
Visual overview of Ha Long Bay's weather patterns
17°
Jan
18°
Feb
20°
Mar
25°
Apr
27°
May
29°
Jun
29°
Jul
29°
Aug
28°
Sep
26°
Oct
23°
Nov
19°
Dec
Cold (<10°C) Cool (10-17°C) Mild (18-24°C) Warm (25-29°C) Hot (30°C+)
Best Time to Visit Ha Long Bay
✓
Recommended
OctoberNovemberDecember
Minimal rain, sunny
⚠️
Consider Avoiding
JulyAugustSeptember
Heavy rainfall, high humidity
Seasonal Breakdown
❄️ Winter
Dec, Jan, Feb
18°C
7 rainy days/month
Coldest months
🌸 Spring
Mar, Apr, May
24°C
13 rainy days/month
Warming up
☀️ Summer
Jun, Jul, Aug
29°C
27 rainy days/month
Warmest months
🍂 Fall
Sep, Oct, Nov
26°C
12 rainy days/month
Cooling down
What to Pack for Ha Long Bay
Based on Subtropical climate
👕
Layerable clothing
Variable weather
☔
Quality rain jacket
178 rainy days/year
🌂
Compact umbrella
Frequent rain expected
🎒
Packable day bag
Daily exploration
🧭 2-Minute Quiz
Take the quiz →Liked the weather? See the full picture
Take our free quiz to compare Ha Long Bay against other cities based on your passport, budget, and what matters to you — climate included. No signup needed to see your matches.