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Warmest sea in China in April

316 coastal locations in China ranked by their typical April sea temperature. Region-wide average in April: 17.7°C. The top of the list is where to find the warmest swimming this month.

Warmest in April

Baoshan

29.4°C April mean in China

Regional April average

17.7°C

across all 316 coastal locations in China

Vs annual mean

-2.8°C

below the year-round regional average

What the China sea feels like in April

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
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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 April fits in the year

April 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 April 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 April

Sorted by the typical April 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 April mean
1 Baoshan 29.4°C
2 Scarborough Shoal Hainan 29.1°C
3 Leluo 28.9°C
4 Paracel Islands Hainan 27.6°C
5 Yinggehai 26.8°C
6 Jiadong 26.7°C
7 Yalong Bay 26.7°C
8 Yalong Wan 26.7°C
9 Basuo Hainan Sheng 26.7°C
10 Haitangwan 26.6°C
11 Sanya 26.6°C
12 Tianya 26.6°C
13 Sanya Gang Hainan 26.6°C
14 Yangpu Gang Hainan Sheng 26.3°C
15 Boao 25.8°C
16 Baimajing 25.8°C
17 Paipu 25.8°C
18 Dongsha 25.8°C
19 Caotan 25.2°C
20 Cheban 25.2°C
21 Yingzai 25.2°C
22 Eman 25.0°C
23 Guangcun 25.0°C
24 Potou 24.9°C
25 Xiashan 24.9°C
Show 25 more ▸
26 Beihai 24.9°C
27 Dadunhai 24.9°C
28 Beihai Gang Guangxi Zhuangzuzizhiqu 24.8°C
29 Hepu 24.8°C
30 Changhua 24.7°C
31 Naozhou Dao Guangdong Province 24.6°C
32 Fangcheng 24.5°C
33 Fengshan 24.5°C
34 Houzhai 24.5°C
35 Majiao 24.5°C
36 Tiaolou 24.5°C
37 Zhanjiang 24.5°C
38 Hainan Island 24.2°C
39 Guanghai 24.2°C
40 Xiachuan Dao Guangdong Sheng 24.2°C
41 Chuandao 24.2°C
42 Chenghua 24.1°C
43 Xiachuan 24.1°C
44 Xinxing 24.1°C
45 Shangchuan 24.1°C
46 Chengjiang 24.1°C
47 Guanbu 24.1°C
48 Guandu 24.1°C
49 Nanshui 24.1°C
50 Hongqi 24.1°C

Coldest 10 in China in April

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

# Location April mean
1 Jiguan 4.4°C
2 Juexi 4.4°C
3 Xiaomo 4.7°C
4 Shengli 5.8°C
5 Xingcheng 6.7°C
6 Changxing Dao Liaoning Sheng 6.7°C
7 Nanhuangcheng Dao Shandong Sheng 6.8°C
8 Chang Zui Liaoning Sheng 6.9°C
9 Xiaochangshan Dao Liaoning Sheng 7.2°C
10 Tuanshan Chiao (Sand Point) Liaoning Sheng 7.3°C

More on this region