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.
August in Cao Bằng sees daytime temperatures around 31°C (88°F) and lows of 23°C (73°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
August in Cao Bằng has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Pick a month to see the average temperature, rainfall and sunshine in Cao Bằng - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Cao Bằng typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 23°C (73°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Cao Bằng spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Cao Bằng spans 1976 to 2026, revealing these weather extremes.
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in August →
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).
Warm but pleasant conditions in Cao Bằng in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. 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 Cao Bằng climate overview or explore weather in Vietnam.
Where to go in August - 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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