Best Time to Visit Ha Long Bay for Hiking | Weather by Month

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Outdoor activities Potential

82/100

Excellent

Based on optimal climate

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Seasonality

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Best Time

January, February, December

Avoid

Avoid (Extreme Weather)

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Weather

17°C – 29°C

Avg Temp Range

Precipitation

Seasonal (check heatmap)

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Good For

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🥾 Planning a hiking trip to Ha Long Bay?

The best time to visit Ha Long Bay for hiking is January, February, December, when trail conditions are most favorable and the weather is more stable. If you're planning your trip around this period, it can be helpful to look into where to stay and how to organize your hikes in advance.

→ Explore places to stay near hiking areas in Ha Long Bay

→ Discover hiking routes and experiences in Ha Long Bay

Climate Heatmap

See at a glance which months offer the best outdoor activities conditions — based on temperature, rainfall and climate scores.

Summer offers the most reliable hiking conditions in Ha Long Bay, with open trails and longer daylight hours.

→ See where to stay in Ha Long Bay

Outdoor activities conditions breakdown

Monthly weather & climate data for Ha Long Bay

Month	Climate Score	Predictability	Avg Temp	Max Temp	Rain (mm)	Rain Days	Humidity	Season
January	82Excellent Mild temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	17°	20°	32	7	81%	dry
February	78Good Mild temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	19°	22°	26	7.4	78%	dry
March	70Good Mild temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	22°	25°	50	9.5	78%	shoulder
April	39Poor Warm temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	25°	29°	82	9.8	76%	shoulder
May	13Poor Warm temperatures. High rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	28°	32°	184	14.3	75%	wet
June	9Poor Warm temperatures. High rain conditions.	Predictability 38Weather conditions can vary significantly.	29°	33°	211	17.7	76%	wet
July	8Poor Warm temperatures. High rain conditions.	Predictability 0Weather conditions can vary significantly.	29°	33°	249	18.7	75%	wet
August	7Poor Warm temperatures. High rain conditions.	Predictability 0Weather conditions can vary significantly.	29°	33°	255	18.4	76%	wet
September	11Poor Warm temperatures. High rain conditions.	Predictability 5Weather conditions can vary significantly.	28°	32°	214	13.3	76%	wet
October	33Poor Warm temperatures. High rain conditions.	Predictability 60Weather conditions vary somewhat by season.	25°	29°	147	8.6	75%	shoulder
November	61Suboptimal Warm temperatures. High rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	22°	26°	108	6.2	75%	shoulder
December	75Good Mild temperatures. Some rain conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	19°	23°	74	6	76%	shoulder