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Warmest sea in China in May

316 coastal locations in China ranked by their typical May sea temperature. Region-wide average in May: 21.6°C. The top of the list is where to find the warmest swimming this month.

Warmest in May

Baoshan

30.6°C May mean in China

Regional May average

21.6°C

across all 316 coastal locations in China

Vs annual mean

+1.2°C

above the year-round regional average

What the China sea feels like in May

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 May fits in the year

May 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 May 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 May

Sorted by the typical May 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 May mean
1 Baoshan 30.6°C
2 Scarborough Shoal Hainan 30.4°C
3 Leluo 29.9°C
4 Paracel Islands Hainan 29.4°C
5 Yalong Bay 28.8°C
6 Yalong Wan 28.8°C
7 Yangpu Gang Hainan Sheng 28.8°C
8 Yinggehai 28.7°C
9 Haitangwan 28.7°C
10 Sanya 28.7°C
11 Tianya 28.7°C
12 Basuo Hainan Sheng 28.7°C
13 Sanya Gang Hainan 28.7°C
14 Baimajing 28.5°C
15 Paipu 28.5°C
16 Caotan 28.4°C
17 Cheban 28.4°C
18 Yingzai 28.4°C
19 Beihai 28.3°C
20 Dadunhai 28.3°C
21 Boao 28.2°C
22 Jiadong 28.2°C
23 Hepu 28.1°C
24 Beihai Gang Guangxi Zhuangzuzizhiqu 28.1°C
25 Fangcheng 28.1°C
Show 25 more ▸
26 Fengshan 28.1°C
27 Houzhai 28.1°C
28 Majiao 28.1°C
29 Chengjiang 28.0°C
30 Guanbu 28.0°C
31 Guandu 28.0°C
32 Potou 28.0°C
33 Xiashan 28.0°C
34 Eman 27.9°C
35 Guangcun 27.9°C
36 Dongsha 27.8°C
37 Zhanjiang 27.7°C
38 Fangchenggang 27.6°C
39 Fangcheng Gang Guangxi Zhuangzuzizhiqu 27.6°C
40 Naozhou Dao Guangdong Province 27.6°C
41 Shapa 27.5°C
42 Tiaolou 27.4°C
43 Hailingshan Dao Guangdong Sheng 27.4°C
44 Xiachuan Dao Guangdong Sheng 27.4°C
45 Yangjiang 27.3°C
46 Chenghua 27.3°C
47 Xiachuan 27.3°C
48 Xinxing 27.3°C
49 Bohe 27.3°C
50 Diancheng Guangdong Province 27.3°C

Coldest 10 in China in May

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

# Location May mean
1 Xiaomo 9.1°C
2 Jiguan 9.3°C
3 Juexi 9.3°C
4 Shengli 9.5°C
5 Nanhuangcheng Dao Shandong Sheng 10.5°C
6 Chang Zui Liaoning Sheng 11.1°C
7 Changxing Dao Liaoning Sheng 11.8°C
8 Xiaochangshan Dao Liaoning Sheng 11.9°C
9 Lushunkou Liaoning Sheng 12.1°C
10 Yingzhengzi Wan Liaoning Sheng 12.1°C

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