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Coldest sea in China in October

316 coastal locations in China ranked by typical October sea temperature, coldest first. Region-wide average in October: 24.1°C.

Coldest in October

Jiguan

14.0°C October mean in China

Regional October average

24.1°C

across all 316 coastal locations in China

Vs annual mean

+3.6°C

above the year-round regional average

What the China sea feels like in October

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

China monthly average 12.1°C to 28.2°C
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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 October fits in the year

October 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 October 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 October

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

# Location October mean
1 Jiguan 14.0°C
2 Juexi 14.0°C
3 Keren 14.4°C
4 Xiaomo 15.3°C
5 Changchun 16.1°C
6 Changtu 16.1°C
7 Liaohe Kou Liaoning 16.2°C
8 Jinzhou 16.5°C
9 Yingkou 16.5°C
10 Bayuquan Liaoning Sheng 16.6°C
11 Shengli 16.7°C
12 Huludao Gang Liaoning Sheng 17.4°C
13 Lianhe 17.9°C
14 Dacheng 18.0°C
15 Dadeng 18.0°C
16 Jingfeng 18.0°C
17 Jishan 18.0°C
18 Laocheng 18.0°C
19 Luoyang 18.0°C
20 Wubao 18.0°C
21 Xinan 18.0°C
22 Yishi 18.0°C
23 Zhangwan 18.0°C
24 Aotou 18.1°C
25 Beijing 18.1°C
Show 25 more ▸
26 Dongchong 18.1°C
27 Dongli 18.1°C
28 Qingshan 18.1°C
29 Tianjin 18.1°C
30 Lian 18.3°C
31 Dongping 18.4°C
32 Xiahu 18.4°C
33 Beishan 18.4°C
34 Dongying 18.6°C
35 Dongyong 18.6°C
36 Jinpu 18.6°C
37 Minggang 18.6°C
38 Xingcheng 18.6°C
39 Yanzhou 18.6°C
40 Hsinlutu Liaoning Sheng 18.6°C
41 Dapuhe Kou Hebei Sheng 18.6°C
42 Beidaihe 18.7°C
43 Huanhaisi Dizui Liaoning Sheng 18.8°C
44 Tuanshan Chiao (Sand Point) Liaoning Sheng 18.8°C
45 Xinying 18.8°C
46 Haibin 18.8°C
47 Qinhuangdao 18.8°C
48 Wanghai 18.8°C
49 Dachangshandao 19.1°C
50 Lushun 19.1°C

Warmest 10 in China in October

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

# Location October mean
1 Baoshan 30.2°C
2 Leluo 29.5°C
3 Scarborough Shoal Hainan 29.5°C
4 Yinggehai 28.6°C
5 Paracel Islands Hainan 28.5°C
6 Tianya 28.4°C
7 Sanya Gang Hainan 28.4°C
8 Basuo Hainan Sheng 28.4°C
9 Chengjiang 28.4°C
10 Guanbu 28.4°C

More on this region