Cau Ha Weather in May
With daytime temperatures of 32°C (90°F) and nighttime lows of 26°C (79°F), May in Cau Ha brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 118 mm (4.6 in) falls on average.
Rainfall in Cau Ha in May
This month experiences about 14 days of rain according to historical data, averaging 118 mm (4.6 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Cau Ha in May
May in Cau Ha brings very high temperatures, with highs of 32°C (90°F) and nights around 26°C (79°F). It's usually most comfortable outside during the morning and later in the day. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Cau Ha in May
Enjoy a sunny month with about 250 hours of sunshine, the clear skies make Cau Ha even more beautiful.If you prefer enjoying temperate temperatures and rain-free days, March typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Cau Ha's climate page.
Cau Ha Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
32°C (90°F)
Chance of Rain
46%
Precipitation
118 mm (4.6 in)
Rainy days
14 days
Humidity
80% *
Sunshine
250 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Cau Ha typically stay consistent throughout May, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
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 May
Historical weather for Cau Ha in May
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.
Cau Ha historical weather extremes in May
Based on 36 years of weather observations in Cau Ha between 1990 and 2026, these are the recorded extremes.
- The hottest May day on record in Cau Ha reached 40°C (104°F) (May 21, 2020).
- On May 3, 2022, Cau Ha saw its coldest May day with temperatures maxing out at 25°C (77°F).
- The coldest night in May in Cau Ha was on May 2, 2011, with a minimum of 21°C (70°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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Cau Ha in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cau Ha 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 Cau Ha's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cau Ha climate overview or explore weather in Vietnam.
