Warmest sea in China in December

316 coastal locations in China ranked by their typical December sea temperature. Region-wide average in December: 15.6°C. The top of the list is where to find the warmest swimming this month.

Warmest in December

Baoshan

28.0°C December mean in China

Regional December average

15.6°C

across all 316 coastal locations in China

Vs annual mean

-4.8°C

below the year-round regional average

What the China sea feels like in December

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

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 December fits in the year

December 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 December 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 December

Sorted by the typical December 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	December mean
1	Baoshan	China	28.0°C
2	Scarborough Shoal Hainan	China	27.8°C
3	Paracel Islands Hainan	China	26.1°C
4	Tianya	China	25.7°C
5	Jiadong	China	25.6°C
6	Sanya Gang Hainan	China	25.6°C
7	Yinggehai	China	25.5°C
8	Haitangwan	China	25.4°C
9	Sanya	China	25.4°C
10	Yalong Bay	China	25.4°C
11	Yalong Wan	China	25.4°C
12	Basuo Hainan Sheng	China	25.1°C
13	Dongsha	China	24.9°C
14	Boao	China	24.8°C
15	Yangpu Gang Hainan Sheng	China	23.7°C
16	Leluo	China	23.6°C
17	Baimajing	China	23.5°C
18	Paipu	China	23.5°C
19	Eman	China	23.1°C
20	Guangcun	China	23.1°C
21	Tiaolou	China	23.0°C
22	Hai'an Gang Guangdong Sheng	China	22.9°C
23	Hainan Island	China	22.9°C
24	Chengjiang	China	22.7°C
25	Guanbu	China	22.7°C

Show 25 more ▸

26	Guandu	China	22.7°C
27	Haikou Gang Hainan Sheng	China	22.7°C
28	Mulan Tou (Hainan Head) Hainan Sheng	China	22.6°C
29	Haikou	China	22.5°C
30	Jiazi	China	22.5°C
31	Xiuying	China	22.4°C
32	Puqian	China	22.3°C
33	Naozhou Dao Guangdong Province	China	22.0°C
34	Bohe	China	21.9°C
35	Potou	China	21.7°C
36	Xiashan	China	21.7°C
37	Zhanjiang	China	21.7°C
38	Wenwei Zhou Guangdong	China	21.6°C
39	Waglan Island Hong Kong	China	21.5°C
40	Diancheng Guangdong Province	China	21.5°C
41	Changhua	China	21.4°C
42	Hong Kong (Quarry Bay) Hong Kong	China	21.4°C
43	Wailingding Dao Guangdong Sheng	China	21.4°C
44	Gaolan Dao Guangdong Sheng	China	21.2°C
45	Tsang Chau Guangdong Sheng	China	21.1°C
46	Tuoning Liedao Guangdong Sheng	China	21.1°C
47	Yantian Harbour Guangdong Sheng	China	21.1°C
48	Beihai Gang Guangxi Zhuangzuzizhiqu	China	21.1°C
49	Guanghai	China	21.1°C
50	Meisha	China	21.1°C

Coldest 10 in China in December

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

#	Location	Country	December mean
1	Jiguan	China	1.8°C
2	Juexi	China	1.8°C
3	Changchun	China	2.4°C
4	Changtu	China	2.4°C
5	Liaohe Kou Liaoning	China	2.6°C
6	Yingkou	China	2.9°C
7	Jinzhou	China	3.1°C
8	Bayuquan Liaoning Sheng	China	3.1°C
9	Huludao Gang Liaoning Sheng	China	4.4°C
10	Dongping	China	5.0°C