Ha long Bay Weather in March
In Ha long Bay, March brings high daytime temperatures around 23°C (73°F), with nights cooling to 19°C (66°F). Expect quite a bit of rainfall this month.
Rainfall in Ha long Bay in March
Past climate data indicates that roughly 13 days will see rain, totalling around 66 mm (2.6 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Ha long Bay in March
Ha long Bay in March is worth a visit. The temperature is perfect, with 23°C (73°F) during the day and 19°C (66°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 19°C (66°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 Ha long Bay in March
The area experiences limited sunny days, amounting to roughly 47 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.If you favor pleasant temperatures and minimal rainfall, March 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 March
Min Temperature
19°C (66°F)
Max Temperature
23°C (73°F)
Chance of Rain
44%
Precipitation
66 mm (2.6 in)
Rainy days
13 days
Humidity
88% *
Sunshine
47 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Ha long Bay typically stay consistent throughout March, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 20°C (68°F).
Average temperatures in March
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Ha long Bay in March
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 March
Based on weather observations in Ha long Bay between 1991 and 2026, these are the recorded extremes during March.
- The warmest day in March was on March 5, 2003, with a maximum of 35°C (95°F).
- Ha long Bay experienced its chilliest March day on March 1, 2000, reaching only 11°C (52°F).
- The lowest overnight temperature recorded in March was 8°C (46°F) (March 17, 2011).
Best Places in Vietnam in March
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ha long Bay in March
For Ha long Bay in March, 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 March
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.
