Cao Bằng Weather in May
Cao Bằng in May averages 30°C (86°F) during the day and 22°C (72°F) at night. May is part of the rainy season, so frequent rainfall is typical.
Rainfall in Cao Bằng in May
As part of the rainy season, Cao Bằng sees around 15 days of rain in May, with an average of 224 mm (8.8 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Cao Bằng in May
In May, Cao Bằng gets high temperatures, with highs of 30°C (86°F). Nights cool to around 22°C (72°F). This kind of day-to-night contrast is typical for this time of year. With lows of 22°C (72°F), the nights are warm and generally comfortable.
Sunshine in Cao Bằng in May
The month brings about 162 hours of sunlight, offering a comfortable mix of sun and rainy moments.May in Cao Bằng can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 Cao Bằng's climate page.
Cao Bằng Temperature in May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cao Bằng typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows typically ranging from 21°C (70°F) to 23°C (73°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Cao Bằng in May
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.
Cao Bằng historical weather extremes in May
According to our 50 years of weather records for Cao Bằng, the following extremes were recorded between 1976 and 2026.
- The warmest day in May was on May 6, 2023, with a maximum of 40°C (104°F).
- The coldest May day was on May 1, 1983, with a maximum of 19°C (66°F).
- Cao Bằng registered its coldest May night on May 1, 1983, with temperatures dropping to 12°C (54°F).
Best Places in Vietnam in May
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in May →
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What to Wear in Cao Bằng in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Cao Bằng in May
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 Cao Bằng's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cao Bằng climate overview or explore weather in Vietnam.