Climate guide for Cat Ba Island, Vietnam

Best Time to Visit
Cat Ba Island

How to read the score (0–10)
05810
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About Cat Ba Island

Cat Ba Island is the rugged adventure gateway to Lan Ha Bay, boasting dense jungle trails, endangered golden-headed langurs, floating fishing villages, and quiet beaches.

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Travel Tips

Lan Ha Bay Kayaking Cruise
Book an overnight Lan Ha Bay boat cruise from Cat Ba to kayak through Bright Cave and Dark Cave karst lagoons.
Cat Ba National Park Ngu Lam Peak Hike
Hike the 2-hour jungle trail inside Cat Ba National Park up to Ngu Lam Peak for 360-degree green karst panoramas.
Hospital Cave Military Tour
Explore Hospital Cave (Hang Quan Y), featuring 17 underground concrete rooms built inside a cave during the Vietnam War.

Things to do in Cat Ba Island

Cat Ba Island, Vietnam. Live activities and tours from GetYourGuide, matched to this destination.

Frequently asked

When is the best time to visit Cat Ba Island, Vietnam?
The best months to visit Cat Ba Island are January, February, March, November, December. January is the single peak month with a climate score of 9.1/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Cat Ba Island year-round?
Cat Ba Island has a nature and wildlife climate profile. Average monthly temperatures range from 19°C in January to 36°C in July, with climate scores between 5.2 and 9.1 out of 10.
Which months should I avoid in Cat Ba Island?
The lowest-scoring months in Cat Ba Island are May (5.2/10), June (5.2/10), July (5.2/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Cat Ba Island?
May is the wettest month in Cat Ba Island, averaging about 260 mm of rainfall. January is the driest, at roughly 25 mm.
Which is the sunniest month in Cat Ba Island?
January sees the most sun in Cat Ba Island, with about 23 sunny days on average - ideal for outdoor plans.
Is Cat Ba Island good for nature and wildlife travel?
Cat Ba Island is profiled as a nature and wildlife destination in Asia, Vietnam. Its highest-scoring window (January, February, March, November, December) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Cat Ba Island calculated?
Each month is rated 0-10 using ERA5 climate normals for Cat Ba Island: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for a nature and wildlife trip.

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