Cat Ba Island weather in August
Hot and humid, with frequent heavy rain. Average highs of 30°C and lows of 27°C, with around 24 rainy days expected throughout the month.
While August isn't our top-rated month for Cat Ba Island, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
30°C
Average low
27°C
Rainy days
24 days
Best months to visit
March, April, October, November, December
What to do in Cat Ba Island in August
Whatever the weather, Cat Ba Island rewards curious visitors. Here are some of the best ways to spend your time:
Kayak through Ha Long Bay limestone karsts
Rock climb dramatic Cat Ba cliff faces
Trek Cat Ba National Park jungle trails
Visit Hospital Cave from Vietnam War era
Relax on beaches with water sports
Explore Cat Ba Town's bustling harbor
What to pack for August
Light breathable clothing, high-SPF sunscreen, a wide-brimmed hat, and a reusable water bottle are essential. Pack sandals and at least one light layer for air-conditioned interiors.
Browse other months
January
19C
Mild and comfortable, with occasional showers.
February
19C
Mild and comfortable, with occasional showers.
Recommended
March
23C
Mild and comfortable, with some rainy days.
Recommended
April
26C
Warm and pleasant, with some rainy days.
May
29C
Warm and pleasant, with regular rainfall.
June
31C
Hot and humid, with regular rainfall.
July
30C
Hot and humid, with frequent heavy rain.
August (you are here)
30C
Hot and humid, with frequent heavy rain.
September
29C
Warm and pleasant, with frequent heavy rain.
Recommended
October
27C
Warm and pleasant, with some rainy days.
Recommended
November
24C
Mild and comfortable, with occasional showers.
Recommended
December
20C
Mild and comfortable, with occasional showers.
Book your August trip to Cat Ba Island
Find hotels, tours and experiences for the perfect escape.
