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Warmest sea in China in July

316 coastal locations in China ranked by their typical July sea temperature. Region-wide average in July: 27.4°C. The top of the list is where to find the warmest swimming this month.

Warmest in July

Beihai Gang

30.9°C July mean in China

Regional July average

27.4°C

across all 316 coastal locations in China

Vs annual mean

+6.9°C

above the year-round regional average

What the China sea feels like in July

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

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

July 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 July 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 July

Sorted by the typical July 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 July mean
1 Beihai Gang Guangxi Zhuangzuzizhiqu 30.9°C
2 Caotan 30.7°C
3 Cheban 30.7°C
4 Yingzai 30.7°C
5 Fangcheng Gang Guangxi Zhuangzuzizhiqu 30.7°C
6 Beihai 30.6°C
7 Dadunhai 30.6°C
8 Fangcheng 30.6°C
9 Fengshan 30.6°C
10 Houzhai 30.6°C
11 Majiao 30.6°C
12 Hepu 30.6°C
13 Yangpu Gang Hainan Sheng 30.6°C
14 Chengjiang 30.4°C
15 Guanbu 30.4°C
16 Guandu 30.4°C
17 Eman 30.4°C
18 Guangcun 30.4°C
19 Tiaolou 30.4°C
20 Fangchenggang 30.4°C
21 Baimajing 30.4°C
22 Paipu 30.4°C
23 Shapa 30.4°C
24 Hainan Island 30.3°C
25 Hai'an Gang Guangdong Sheng 30.2°C
Show 25 more ▸
26 Hailingshan Dao Guangdong Sheng 30.0°C
27 Xiachuan Dao Guangdong Sheng 30.0°C
28 Gaolan Dao Guangdong Sheng 30.0°C
29 Hongqi 29.9°C
30 Xinhui 29.9°C
31 Chenghua 29.9°C
32 Paracel Islands Hainan 29.9°C
33 Xiachuan 29.9°C
34 Xinxing 29.9°C
35 Shangchuan 29.9°C
36 Nanshui 29.8°C
37 Diancheng Guangdong Province 29.8°C
38 Scarborough Shoal Hainan 29.8°C
39 Basuo Hainan Sheng 29.8°C
40 Wenwei Zhou Guangdong 29.8°C
41 Guanghai 29.7°C
42 Yangjiang 29.7°C
43 Chuandao 29.7°C
44 Naozhou Dao Guangdong Province 29.7°C
45 Macao Harbour Macao 29.6°C
46 Haikou Gang Hainan Sheng 29.6°C
47 Jiadong 29.6°C
48 Guishan Dao Guangdong Sheng 29.6°C
49 Potou 29.6°C
50 Xiashan 29.6°C

Coldest 10 in China in July

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

# Location July mean
1 Keren 13.9°C
2 Jiguan 19.6°C
3 Juexi 19.6°C
4 Shengli 20.4°C
5 Honghai 20.9°C
6 Xiaomo 21.7°C
7 Nanhuangcheng Dao Shandong Sheng 21.9°C
8 Chang Zui Liaoning Sheng 22.0°C
9 Longxu Wan Shandong Sheng 22.1°C
10 Malan Wan Shandong Sheng 22.1°C

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