Warmest sea in China in January

316 coastal locations in China ranked by their typical January sea temperature. Region-wide average in January: 12.7°C. The top of the list is where to find the warmest swimming this month.

Warmest in January

Scarborough Shoal

26.9°C January mean in China

Regional January average

12.7°C

across all 316 coastal locations in China

Vs annual mean

-7.8°C

below the year-round regional average

What the China sea feels like in January

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

China monthly average 12.1°C to 28.2°C

Warmest month August 28.2°C
Coldest month February 12.1°C
Annual mean 20.5°C
Months above 20°C 6 of 12

Where January fits in the year

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

All twelve China month rankings:

China sea temperature map (live)

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

Sorted by the typical January 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	January mean
1	Scarborough Shoal Hainan	China	26.9°C
2	Baoshan	China	26.1°C
3	Paracel Islands Hainan	China	25.1°C
4	Jiadong	China	24.7°C
5	Sanya Gang Hainan	China	24.4°C
6	Yinggehai	China	24.4°C
7	Tianya	China	24.4°C
8	Yalong Bay	China	24.2°C
9	Yalong Wan	China	24.2°C
10	Haitangwan	China	24.2°C
11	Sanya	China	24.2°C
12	Dongsha	China	23.9°C
13	Basuo Hainan Sheng	China	23.9°C
14	Boao	China	23.4°C
15	Yangpu Gang Hainan Sheng	China	22.1°C
16	Baimajing	China	21.7°C
17	Paipu	China	21.7°C
18	Leluo	China	21.2°C
19	Eman	China	21.1°C
20	Guangcun	China	21.1°C
21	Tiaolou	China	20.9°C
22	Hai'an Gang Guangdong Sheng	China	20.9°C
23	Hainan Island	China	20.8°C
24	Haikou Gang Hainan Sheng	China	20.7°C
25	Mulan Tou (Hainan Head) Hainan Sheng	China	20.5°C

Show 25 more ▸

26	Chengjiang	China	20.4°C
27	Guanbu	China	20.4°C
28	Guandu	China	20.4°C
29	Haikou	China	20.4°C
30	Jiazi	China	20.4°C
31	Xiuying	China	20.3°C
32	Puqian	China	20.2°C
33	Waglan Island Hong Kong	China	20.1°C
34	Wenwei Zhou Guangdong	China	20.0°C
35	Naozhou Dao Guangdong Province	China	20.0°C
36	Bohe	China	19.7°C
37	Hong Kong (Quarry Bay) Hong Kong	China	19.7°C
38	Wailingding Dao Guangdong Sheng	China	19.7°C
39	Potou	China	19.7°C
40	Xiashan	China	19.7°C
41	Zhanjiang	China	19.6°C
42	Tsang Chau Guangdong Sheng	China	19.6°C
43	Tuoning Liedao Guangdong Sheng	China	19.6°C
44	Yantian Harbour Guangdong Sheng	China	19.5°C
45	Diancheng Guangdong Province	China	19.5°C
46	Gaolan Dao Guangdong Sheng	China	19.5°C
47	Caotan	China	19.4°C
48	Cheban	China	19.4°C
49	Yingzai	China	19.4°C
50	Meisha	China	19.3°C

Coldest 10 in China in January

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

#	Location	Country	January mean
1	Changchun	China	-1.2°C
2	Changtu	China	-1.2°C
3	Liaohe Kou Liaoning	China	-1.2°C
4	Yingkou	China	-1.1°C
5	Bayuquan Liaoning Sheng	China	-1.0°C
6	Jinzhou	China	-0.7°C
7	Jiguan	China	-0.5°C
8	Juexi	China	-0.5°C
9	Huludao Gang Liaoning Sheng	China	-0.0°C
10	Lianhe	China	0.7°C