Climate guide for Cat Ba Island, Vietnam

Cat Ba Island in November

Weather, crowds & best time to visit

How to read the score (0–10)
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November · Vietnam

Best time to visit Cat Ba Island in November Weather, crowds & prices

Weather in Cat Ba Island in November

Average temperature 21°C, 36 mm of rain, about 10 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

November score

7.9/10

Ranked #1 of 12 months

Full year for Cat Ba Island
Avg temp
21°C
Rainfall
36 mm
Humidity
80%
Days with 6h+ sun
10
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

November in Cat Ba Island scores 7.9/10 for nature and wildlife travel - the single best month of the year. Expect around 21°C, 36 mm of rain, and roughly 10 days with 6+ hours of sunshine this month.

Largest island in Halong/Lan Ha Bay featuring rainforest national parks, bioluminescent plankton, and kayaking.

November in Cat Ba Island — the year's strongest window

Trail conditions at 21°C (71°F) favour early starts and shaded routes in November; midday is for water breaks, not for exposed climbs.

With around 36 mm of rain, any showers tend to pass through rather than settle in; about 10 days with 6+ hours of sunshine and 11 hours of daylight fill the rest.

On our climate-comfort scale this is the top-ranked month of the year for Cat Ba Island at 7.9/10 — the reference point every other month on this page is measured against.

Pack light clothing, a hat and real sun protection, footwear you can get muddy.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Cat Ba Island in November?
In November, Cat Ba Island averages 21°C, 36 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 7.9/10.
Is November a good time to visit Cat Ba Island?
November earns a 7.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Cat Ba Island in November?
Expect about 36 mm of rain in November. Average humidity is 80% and there are about 10 days with 6+ hours of sunshine.

Curated in Cat Ba Island

Tickets & experiences

Things to do in Cat Ba Island

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