Warmest sea in Asia in August

3,667 coastal locations in Asia ranked by their typical August sea temperature. Region-wide average in August: 27.2°C. The top of the list is where to find the warmest swimming this month.

Warmest in August

Hon Nieu

30.7°C August mean in Vietnam

Regional August average

27.2°C

across all 3,667 coastal locations in Asia

Vs annual mean

+3.1°C

above the year-round regional average

What the Asia sea feels like in August

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.

Asia monthly average 20.7°C to 27.2°C

Warmest month August 27.2°C
Coldest month February 20.7°C
Annual mean 24.0°C
Months above 20°C 12 of 12

Where August fits in the year

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

All twelve Asia month rankings:

Asia sea temperature map (live)

The map shows today's latest reading at every Asia location. The list below is based on the typical August 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 Asia locations in August

Sorted by the typical August 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	Country	August mean
1	Hon Nieu Cua Lo	Vietnam	30.7°C
2	Hon Me Khanh Hoa province	Vietnam	30.7°C
3	Hon Ne Thanh Hóa	Vietnam	30.7°C
4	Thanh Hoa	Vietnam	30.6°C
5	Tupe	Kyrgyzstan	30.5°C
6	Banos Mimaropa	Philippines	30.5°C
7	Fuji	Japan	30.5°C
8	Qiansuo	China	30.4°C
9	Qidu	China	30.4°C
10	Zhejiang	China	30.4°C
11	Bukit Mertajam	Malaysia	30.4°C
12	Butterworth	Malaysia	30.4°C
13	George Town	Malaysia	30.4°C
14	Penang	Malaysia	30.4°C
15	Perai	Malaysia	30.4°C
16	Permatang Kuching	Malaysia	30.4°C
17	Tanjung Tokong	Malaysia	30.4°C
18	Cua Cam Approaches (Hon Dau) Hải Phòng	Vietnam	30.4°C
19	Do Son Hải Phòng	Vietnam	30.4°C
20	Chengjiang	China	30.4°C
21	Guanbu	China	30.4°C
22	Guandu	China	30.4°C
23	Batu Ferringhi	Malaysia	30.4°C
24	Butterworth Wharves Pulau Pinang	Malaysia	30.4°C
25	Labuk Bay Sabah	Malaysia	30.4°C

Show 25 more ▸

26	Pinang (Georgetown) Pulau Pinang	Malaysia	30.4°C
27	Pulau Rimau Pulau Pinang	Malaysia	30.4°C
28	Tanjung Dawai Kedah	Malaysia	30.4°C
29	Haiphong	Vietnam	30.4°C
30	Hanoi	Vietnam	30.4°C
31	Hangzhou	China	30.4°C
32	Liyang	China	30.4°C
33	Qiantang	China	30.4°C
34	Yuejin	China	30.4°C
35	Alor Setar	Malaysia	30.4°C
36	Sungai Petani	Malaysia	30.4°C
37	Cua Ba Lat Nam Định Province	Vietnam	30.4°C
38	Pulau Bidan Kedah	Malaysia	30.4°C
39	Sungai Kedah Kedah	Malaysia	30.4°C
40	Cat Ba	Vietnam	30.4°C
41	Tuan Chau	Vietnam	30.4°C
42	Kuala Perlis	Malaysia	30.4°C
43	Pulau Beras Basah Kedah	Malaysia	30.4°C
44	Pelabuhan Kuah Kedah	Malaysia	30.4°C
45	Apowan Hải Phòng	Vietnam	30.4°C
46	Hon Gay Quảng Ninh	Vietnam	30.4°C
47	Passe des Hydres Quảng Ninh	Vietnam	30.4°C
48	Ko Koi Noi Satun	Thailand	30.4°C
49	Langkawi Chang Wat Satun	Thailand	30.4°C
50	Chon May (Chumai) Thừa Thiên Huế	Vietnam	30.4°C

Coldest 10 in Asia in August

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

#	Location	Country	August mean
1	Pioneer	Russia	-0.8°C
2	Bukhta Teplits Arkhangelskaya	Russia	-0.7°C
3	Franz Josef Land	Russia	-0.7°C
4	Domashni Island Murmansk	Russia	-0.2°C
5	Vrangel	Russia	1.0°C
6	Cape Chelyuskin Krasnoyarsk Krai	Russia	1.5°C
7	Mys Flora Arkhangelsk Oblast	Russia	1.6°C
8	Hansen Island Krasnoyarsk Krai	Russia	1.6°C
9	Kotyelny Island Bulunsky District	Russia	1.9°C
10	Rade de Zarya Krasnoyarsk Krai	Russia	2.5°C