Skip to content
seatemperatures.net

Warmest sea in China in March

316 coastal locations in China ranked by their typical March sea temperature. Region-wide average in March: 14.1°C. The top of the list is where to find the warmest swimming this month.

Warmest in March

Scarborough Shoal

28.0°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
J
F
M
A
M
J
J
A
S
O
N
D
  • 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, 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 March

Sorted by the typical March 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 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
11 Haitangwan 24.7°C
12 Sanya 24.7°C
13 Sanya Gang Hainan 24.6°C
14 Dongsha 24.4°C
15 Boao 24.2°C
16 Yangpu Gang Hainan Sheng 23.6°C
17 Baimajing 22.9°C
18 Paipu 22.9°C
19 Caotan 22.1°C
20 Cheban 22.1°C
21 Yingzai 22.1°C
22 Eman 22.0°C
23 Guangcun 22.0°C
24 Changhua 22.0°C
25 Beihai Gang Guangxi Zhuangzuzizhiqu 22.0°C
Show 25 more ▸
26 Hepu 21.8°C
27 Naozhou Dao Guangdong Province 21.8°C
28 Beihai 21.8°C
29 Dadunhai 21.8°C
30 Potou 21.7°C
31 Xiashan 21.7°C
32 Tiaolou 21.7°C
33 Hai'an Gang Guangdong Sheng 21.6°C
34 Mulan Tou (Hainan Head) Hainan Sheng 21.5°C
35 Puqian 21.5°C
36 Hainan Island 21.5°C
37 Haikou Gang Hainan Sheng 21.5°C
38 Zhanjiang 21.5°C
39 Bohe 21.5°C
40 Waglan Island Hong Kong 21.5°C
41 Guanghai 21.4°C
42 Wenwei Zhou Guangdong 21.4°C
43 Fangcheng 21.4°C
44 Fengshan 21.4°C
45 Houzhai 21.4°C
46 Majiao 21.4°C
47 Xiachuan Dao Guangdong Sheng 21.4°C
48 Hailingshan Dao Guangdong Sheng 21.4°C
49 Diancheng Guangdong Province 21.4°C
50 Xiuying 21.4°C

Coldest 10 in China in March

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

# 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

More on this region