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Warmest sea in Asia in April

3,667 coastal locations in Asia ranked by their typical April sea temperature. Region-wide average in April: 22.9°C. The top of the list is where to find the warmest swimming this month.

Warmest in April

Nambutalai

31.2°C April mean in India

Regional April average

22.9°C

across all 3,667 coastal locations in Asia

Vs annual mean

-1.2°C

below the year-round regional average

What the Asia sea feels like in April

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.

Asia monthly average 20.7°C to 27.2°C
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  • Warmest month August 27.2°C
  • Coldest month February 20.7°C
  • Annual mean 24.0°C
  • Months above 20°C 12 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 Asia month rankings:

Asia sea temperature map (live)

The map shows today's latest reading at every Asia 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 Asia 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 Nambutalai 31.2°C
2 Tondi 31.2°C
3 Rameswaram 31.1°C
4 Delft Island Northern Province 31.0°C
5 Pamban Pass Tamil Nadu 30.9°C
6 Kachchaitivu Northern Province 30.9°C
7 Pak Nam Trang Chang Wat Trang 30.9°C
8 Ko Prap Surat Thani Province 30.9°C
9 Pawei Kyun Tanintharyi Region 30.9°C
10 Kayts Lagoon Northern Province 30.9°C
11 Sihanoukville 30.9°C
12 Siem Reap 30.9°C
13 Ao Muang Trat Chang Wat Trat 30.9°C
14 Kantang 30.9°C
15 Mannar 30.9°C
16 Ko Don Ao Nang 30.8°C
17 Port Weld Perak 30.8°C
18 Myeik (Mergui) Tanintharyi Region 30.8°C
19 Ko Phetra Malacca 30.8°C
20 Ko Koi Noi Satun 30.8°C
21 Langkawi Chang Wat Satun 30.8°C
22 Sukadana Kalimantan Barat 30.8°C
23 Ha Tien tỉnh Kiên Giang 30.8°C
24 Labuk Bay Sabah 30.7°C
25 Krong Kep 30.7°C
Show 25 more ▸
26 Sungai Kedah Kedah 30.7°C
27 Ao Nang (Krabi) Chang Wat Krabi 30.7°C
28 Lang Suan Chumphon 30.7°C
29 Ko Lela Satun 30.7°C
30 Mali Kyun (Fisher Bay) Tanintharyi Region 30.7°C
31 Myeik 30.7°C
32 Ream Sihanoukville 30.7°C
33 Kochi (Cochin) Kerala 30.7°C
34 Kuah 30.7°C
35 Langkawi 30.7°C
36 Pelabuhan Kuah Kedah 30.7°C
37 Ko Kut 30.7°C
38 Pulau Bidan Kedah 30.7°C
39 Phu Quoc 30.7°C
40 Butterworth Wharves Pulau Pinang 30.7°C
41 Pinang (Georgetown) Pulau Pinang 30.7°C
42 Pulau Rimau Pulau Pinang 30.7°C
43 Tanjung Dawai Kedah 30.7°C
44 Keelakarai Tamil Nadu 30.6°C
45 An Thoi 30.6°C
46 Koh Dek Koul 30.6°C
47 Chong Samet Chumphon 30.6°C
48 Ko Lanta 30.6°C
49 Alor Setar 30.6°C
50 Sungai Petani 30.6°C

Coldest 10 in Asia in April

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

# Location April mean
1 Mys Uelen Chukotka Autonomous Okrug -1.7°C
2 Guba Kamyenka Murmansk -1.7°C
3 Mys Flora Arkhangelsk Oblast -1.7°C
4 Bukhta Teplits Arkhangelskaya -1.6°C
5 Franz Josef Land -1.6°C
6 Ostrov Sokoliy Nenets Autonomous Okrug -1.6°C
7 Domashni Island Murmansk -1.6°C
8 Vrangel -1.6°C
9 Cape Serdtse Kamen Chukotka Autonomous Okrug -1.6°C
10 Guba Lebyazh'ya Khabarovsk Krai -1.6°C

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