Cat Ba Weather in December
December in Cat Ba brings pleasant temperatures, with daytime highs of 22°C (72°F) and nights around 18°C (64°F). The perfect weather makes it a solid choice for a visit.
Rainfall in Cat Ba in December
Historically, approximately 6 days this month are expected to have rain, averaging 47 mm (1.9 in). The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Cat Ba in December
December is a perfect month in Cat Ba, with 22°C (72°F) during the day and 18°C (64°F) at night. December is part of the winter season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Cat Ba in December
The area experiences a moderate amount of sunshine, with approximately 143 hours of sunlight expected. This means a decent mix of sun and overcast.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Cat Ba's climate page.
Cat Ba Temperature in December
Min Temperature
18°C (64°F)
Max Temperature
22°C (72°F)
Chance of Rain
21%
Precipitation
47 mm (1.9 in)
Rainy days
6 days
Humidity
76% *
Sunshine
143 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cat Ba typically stay consistent throughout December, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 17°C (63°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Cat Ba in December
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 December
Our historical data for Cat Ba spans 1987 to 2025, revealing these weather extremes.
- The warmest day in December was on December 7, 1991, with a maximum of 29°C (84°F).
- On December 28, 1991, Cat Ba saw its coldest December day with temperatures maxing out at 10°C (50°F).
- Cat Ba registered its coldest December night on December 23, 1999, with temperatures dropping to 5°C (41°F).
Best Places in Vietnam in December
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Cat Ba in December
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Cat Ba in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Cat Ba's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cat Ba climate overview or explore weather in Vietnam.
