Cat Ba
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Cat Ba Weather in October

October in Cat Ba brings high temperatures, with highs of 29°C (84°F) and nights dropping to 25°C (77°F). Rainfall is on the higher side this month, averaging around 144 mm (5.7 in), so keep a rain jacket handy.

Rainfall in Cat Ba in October

Rain is expected on roughly 11 days, totalling around 144 mm (5.7 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Cat Ba in October

Cat Ba in October gets highs of 29°C (84°F) during the day and drops to 25°C (77°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Cat Ba in October

Expect sunny days throughout the month, with an estimated 190 hours of sunshine. This makes it a pleasant time to visit Cat Ba.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, November and December typically offer the best circumstances for Cat Ba.

Cat Ba Temperature in October

Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
37%
Precipitation
144 mm (5.7 in)
Rainy days
11 days
Humidity
79% *
Sunshine
190 hours *
Percentage Sunshine
*
* Data from: Ha Long, Vietnam (24 KM, 15 Miles).

Cat Ba Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cat Ba - and find the best time to visit.

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Cat Ba typically stay consistent throughout October, with daily highs averaging around 29°C (84°F). Nights are warm, with lows typically ranging from 21°C (70°F) to 24°C (75°F).

Average temperatures in October

Daily Historical Precipitation

49-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

Historical weather records for Cat Ba in October

Browse day-by-day weather records for Cat Ba spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Cat Ba historical weather extremes in October

According to our 32 years of weather records for Cat Ba, the following extremes were recorded between 1993 and 2025.

  • The hottest October day on record in Cat Ba reached 35°C (95°F) (October 5, 2025).
  • On October 15, 2000, Cat Ba saw its coldest October day with temperatures maxing out at 17°C (63°F).
  • The coldest night in October in Cat Ba was on October 19, 2022, with a minimum of 15°C (59°F).

Best Places in Vietnam in October

Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in October →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Cat Ba in October

Warm temperatures in October make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Cat Ba in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Cat Ba 3-Day Forecast

More climate data for Cat Ba

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.