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Warmest sea in Vietnam in May

58 coastal locations in Vietnam ranked by their typical May sea temperature. Region-wide average in May: 28.7°C. The top of the list is where to find the warmest swimming this month.

Warmest in May

Ha Tien

31.1°C May mean in Vietnam

Regional May average

28.7°C

across all 58 coastal locations in Vietnam

Vs annual mean

+1.7°C

above the year-round regional average

What the Vietnam sea feels like in May

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Vietnam monthly average 23.0°C to 29.6°C
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F
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  • Warmest month July 29.6°C
  • Coldest month February 23.0°C
  • Annual mean 27.0°C
  • Months above 20°C 12 of 12

Where May fits in the year

May sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Vietnam month rankings:

Vietnam sea temperature map (live)

The map shows today's latest reading at every Vietnam location. The list below is based on the typical May mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Vietnam locations in May

Sorted by the typical May mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location May mean
1 Ha Tien tỉnh Kiên Giang 31.1°C
2 An Thoi 31.0°C
3 Phu Quoc 31.0°C
4 Hon Tho Chau Kiên Giang 30.6°C
5 Ho Chi Minh City 30.5°C
6 Mui Can Gio Thành phố Hồ Chí Minh 30.4°C
7 Vung Tau 30.4°C
8 Mui Vung Tau Bà Rịa - Vũng Tàu 30.3°C
9 Con Dao Islands 30.1°C
10 Poulo Condore Ba Ria - Vung Tau 30.0°C
11 Lagi 30.0°C
12 Pointe De Ke Ga Bình Thuận 30.0°C
13 Mui Ne 29.8°C
14 Phan Thiet 29.8°C
15 Pulau Cecir De Mer Bình Thuận 29.7°C
16 Pointe de Lagan Bình Thuận 29.6°C
17 Nha Trang 29.5°C
18 Cam Ranh 29.5°C
19 Phan Rang 29.5°C
20 Cap Padaran Ninh Thuận 29.3°C
21 Port Dayot Khánh Hòa 28.9°C
22 Vung Ro Phú Yên 28.9°C
23 Qui Nhon-A Bình Định 28.6°C
24 Quy Nhon 28.6°C
25 Song Cau 28.6°C
Show 25 more ▸
26 Hon Nieu Cua Lo 28.4°C
27 Hon Me Khanh Hoa province 28.3°C
28 Hon Ne Thanh Hóa 28.3°C
29 Thuan An Thừa Thiên Huế 28.3°C
30 Tarn Kwam Bình Định 28.3°C
31 Chon May (Chumai) Thừa Thiên Huế 28.3°C
32 Thanh Hoa 28.2°C
33 Hue 28.1°C
34 Thuan An Beach 28.1°C
35 Kikuik Quảng Ngãi 28.1°C
36 Cham Islands 28.0°C
37 Cua Ba Lat Nam Định Province 28.0°C
38 Cua Cam Approaches (Hon Dau) Hải Phòng 28.0°C
39 Do Son Hải Phòng 28.0°C
40 Vung Ang Hà Tĩnh 28.0°C
41 Vung Chua Quảng Bình 28.0°C
42 Haiphong 28.0°C
43 Hanoi 28.0°C
44 Quang Khe Quảng Bình 28.0°C
45 Da Nang 27.9°C
46 Cat Ba 27.8°C
47 Hoi An 27.8°C
48 Tuan Chau 27.8°C
49 Cu Lao Cham Quảng Nam 27.8°C
50 Apowan Hải Phòng 27.6°C

Coldest 10 in Vietnam in May

Same data the other way. Helpful if you want to know which Vietnam coasts to avoid for swimming in May.

# Location May mean
1 Ile Bach Long Vi Hải Phòng 27.2°C
2 Sha Pak Wan Quảng Ninh 27.3°C
3 Cam Pha 27.3°C
4 Tsieng Mun Quảng Ninh 27.4°C
5 Loc Chuc San Quảng Ninh 27.4°C
6 Ha Long Bay 27.5°C
7 Apowan Hải Phòng 27.6°C
8 Hon Gay Quảng Ninh 27.6°C
9 Passe des Hydres Quảng Ninh 27.6°C
10 Cu Lao Cham Quảng Nam 27.8°C

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