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.
Cau Ha in January averages 25°C (77°F) during the day and 21°C (70°F) at night. January is part of the rainy season, and falls within the winter season, so frequent rainfall is typical.
Should you favor a climate that's both dry and comfortably warm, March typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Cau Ha - and find the best time to visit.
50-year average (1976-2026)
Based on our historical records, temperatures in Cau Ha typically stay consistent throughout January, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows around 19°C (66°F).
50-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 Cau Ha spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 34 years of weather observations (1991-2025), these are the most extreme conditions recorded in Cau Ha.
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).
Comfortable temperatures call for an easy wardrobe in January. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Cau Ha 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.
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