Visit Sapa in Vietnam
Balancing on the edges of a rice field with endless views. A trek through the valley of Sapa is definitely a must for the bucket list.
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.
If you favor pleasant temperatures and minimal rainfall, January is one of the best months to visit Ha long Bay.
Pick a month to see the average temperature, rainfall and sunshine in Ha long Bay - and find the best time to visit.
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).
49-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
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.
Based on weather observations in Ha long Bay between 1991 and 2025, these are the recorded extremes during 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 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).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Ha long Bay climate overview or explore weather in Vietnam.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Visit Sapa in Vietnam
Balancing on the edges of a rice field with endless views. A trek through the valley of Sapa is definitely a must for the bucket list.
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