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Coldest sea in China in March

316 coastal locations in China ranked by typical March sea temperature, coldest first. Region-wide average in March: 14.1°C.

Coldest in March

Jiguan

0.3°C March mean in China

Regional March average

14.1°C

across all 316 coastal locations in China

Vs annual mean

-6.4°C

below the year-round regional average

What the China sea feels like in March

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
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F
M
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  • 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 March fits in the year

March 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 March mean.

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 coldest China locations in March

Sorted by typical March mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location March mean
1 Jiguan 0.3°C
2 Juexi 0.3°C
3 Yingkou 1.3°C
4 Bayuquan Liaoning Sheng 1.6°C
5 Changchun 1.6°C
6 Changtu 1.6°C
7 Liaohe Kou Liaoning 1.9°C
8 Xingcheng 2.2°C
9 Lianhe 2.3°C
10 Xiaomo 2.3°C
11 Huludao Gang Liaoning Sheng 2.4°C
12 Changxing Dao Liaoning Sheng 2.4°C
13 Jinzhou 2.6°C
14 Tuanshan Chiao (Sand Point) Liaoning Sheng 2.9°C
15 Hsinlutu Liaoning Sheng 3.0°C
16 Shengli 3.2°C
17 Huanhaisi Dizui Liaoning Sheng 3.2°C
18 Xizhong Dao Liaoning Sheng 3.3°C
19 Haibin 3.4°C
20 Qinhuangdao 3.4°C
21 Wanghai 3.4°C
22 Dapuhe Kou Hebei Sheng 3.5°C
23 Beidaihe 3.5°C
24 Hulu Dao Liaoning Sheng 3.6°C
25 Lushun 3.7°C
Show 25 more ▸
26 Dalian 3.7°C
27 Dachangshandao 3.7°C
28 Jingtang Hebei Sheng 3.8°C
29 Xiaochangshan Dao Liaoning Sheng 3.9°C
30 Caofeidian Hebei Sheng 4.0°C
31 Chang Zui Liaoning Sheng 4.5°C
32 Dalian Gang (Dairen Ko) Liaoning 4.7°C
33 Laohutan-A Liaoning Sheng 4.7°C
34 Xiaobing Dao Liaoning Sheng 4.7°C
35 Lushunkou Liaoning Sheng 4.7°C
36 Yingzhengzi Wan Liaoning Sheng 4.7°C
37 Longkou 4.8°C
38 Nanhuangcheng Dao Shandong Sheng 4.9°C
39 Longkou Gang Shandong Sheng 4.9°C
40 Beishan 5.0°C
41 Tanglang Dao Shandong Sheng 5.0°C
42 Yu Yan Shandong Sheng 5.0°C
43 Weihai Gang Shandong 5.1°C
44 Jiming Dao Shandong Sheng 5.1°C
45 Weihai 5.2°C
46 Yantai 5.2°C
47 Longxu Wan Shandong Sheng 5.3°C
48 Malan Wan Shandong Sheng 5.3°C
49 Yantai Gang Shandong 5.4°C
50 Aotou 5.5°C

Warmest 10 in China in March

Same data the other way. The warmest spots for the same month.

# Location March mean
1 Scarborough Shoal Hainan 28.0°C
2 Baoshan 27.3°C
3 Leluo 26.3°C
4 Paracel Islands Hainan 26.2°C
5 Jiadong 25.6°C
6 Yinggehai 25.0°C
7 Basuo Hainan Sheng 24.8°C
8 Yalong Bay 24.8°C
9 Yalong Wan 24.8°C
10 Tianya 24.7°C

More on this region