May marks the beginning of the Mekong Delta’s rainy season — water levels in the river system start rising, the landscape turns a deeper green, and floating markets take on a slightly quieter character. Afternoon showers are frequent but usually brief, leaving mornings clear for exploration.
Weather in the Mekong Delta in May
- Temperature: 26–33°C (79–91°F)
- Conditions: Increasing afternoon rainfall; mornings often clear
- River: Water levels beginning to rise
- Humidity: High — 80%
Why Visit the Mekong Delta in May
- Lower accommodation prices as tourist season eases
- Lush green delta landscapes emerging from first rains
- Labour Day (May 1) brings festive atmosphere to Can Tho and My Tho
- Fewer crowds at floating markets and cultural sites
Best Things to Do in May
- Cai Rang Floating Market: Morning visit before afternoon rain
- Canal tours: Ben Tre and Vinh Long — lush and green in early rains
- Khmer pagodas: Tra Vinh and Soc Trang
- Tram Chim National Park: Birdwatching in changing seasonal conditions
Travel Tips for May
- Plan all boat tours and outdoor activities in the morning
- Pack a lightweight rain jacket for afternoon showers
- May is budget-friendly — good value month for adventurous travellers