Ha long Bay
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Ha long Bay Weather in January

With daytime temperatures of 20°C (68°F) and nighttime lows of 16°C (61°F), January in Ha long Bay brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 63 mm (2.5 in) falls on average.

Rainfall in Ha long Bay in January

Historically, approximately 10 days this month are expected to have rain, averaging 63 mm (2.5 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Ha long Bay in January

Weather in Ha long Bay is at its excellent in January. Highs reach 20°C (68°F), while nights settle around 16°C (61°F). January is in the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. While this month has some of the cooler temperatures of the year, it's far from cold and remains pleasant.

Sunshine in Ha long Bay in January

The month has fewer sunny days, with around 87 hours of sunshine.

If you favor pleasant temperatures and minimal rainfall, January is one of the best months to visit Ha long Bay.

Ha long Bay Temperature in January

Min Temperature
16°C (61°F)
Max Temperature
20°C (68°F)
Chance of Rain
33%
Precipitation
63 mm (2.5 in)
Rainy days
10 days
Humidity
80% *
Sunshine
87 hours *
Percentage Sunshine
*
* Data from: Ha Long, Vietnam (13 KM, 8 Miles).

Ha long Bay Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ha long Bay - and find the best time to visit.

Daily Historical Temperatures

49-year average (1976-2026)

Based on our historical records, temperatures in Ha long Bay typically stay consistent throughout January, with daily highs averaging around 20°C (68°F). Nights are pleasant, with lows around 15°C (59°F).

Average temperatures in January

Daily Historical Precipitation

49-year average (1976-2026)

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

Average precipitation in January

Historical weather records for Ha long Bay in January

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

Ha long Bay historical weather extremes in January

Based on weather observations in Ha long Bay between 1991 and 2025, these are the recorded extremes during January.

  • The warmest day in January was on January 14, 2023, with a maximum of 30°C (86°F).
  • The lowest daytime temperature in January was 8°C (46°F), recorded on January 24, 2016.
  • The coldest night in January in Ha long Bay was on January 24, 2016, with a minimum of 5°C (41°F).

Best Places in Vietnam in January

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

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 Ha long Bay in January

For Ha long Bay in January, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Ha long Bay in January

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

  • Swimming
    4/10
  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    8/10
  • Outdoor sports
    10/10

Ha long Bay 3-Day Forecast

More climate data for Ha long Bay

Popular in January

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

Bucket list

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