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 perfect 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.
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 Ha long Bay's climate page.
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
*
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 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
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.
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 Ha long Bay's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ha long Bay climate overview or explore weather in Vietnam.
