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Coldest sea in Indonesia in January

594 coastal locations in Indonesia ranked by typical January sea temperature, coldest first. Region-wide average in January: 28.8°C.

Coldest in January

Bator

1.8°C January mean in Indonesia

Regional January average

28.8°C

across all 594 coastal locations in Indonesia

Vs annual mean

-0.1°C

below the year-round regional average

What the Indonesia sea feels like in January

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.

Indonesia monthly average 28.2°C to 29.5°C
J
F
M
A
M
J
J
A
S
O
N
D
  • Warmest month April 29.5°C
  • Coldest month August 28.2°C
  • Annual mean 28.9°C
  • Months above 20°C 12 of 12

Where January fits in the year

January sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Indonesia month rankings:

Indonesia sea temperature map (live)

The map shows today's latest reading at every Indonesia location. The list below is based on the typical January mean.

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 coldest Indonesia locations in January

Sorted by typical January mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location January mean
1 Bator 1.8°C
2 Fontein 3.6°C
3 Batawa 3.7°C
4 Lantera 5.5°C
5 Tembol 5.5°C
6 Pandan 6.0°C
7 Taman 6.4°C
8 Karara 15.3°C
9 Pulau Laut Kalimanta Selatan 26.4°C
10 Sedanau Kepulauan Riau 27.1°C
11 Penagi Kepulauan Riau 27.1°C
12 Impul Passage Kepulauan Riau 27.3°C
13 Batuampar Kepulauan Riau 27.6°C
14 Tanjunguban Kepulauan Riau 27.6°C
15 Pulau Subi Kecil Kepulauan Riau 27.7°C
16 Pulau Berhala Kepulauan Riau 27.8°C
17 Batam 27.8°C
18 Bintan 27.9°C
19 Tanjungpinang 27.9°C
20 Pulau Mentebung Kepulauan Riau 28.0°C
21 Teluk Tambelan Kalimantan Barat 28.1°C
22 Pelabuhan Serasan Kepulauan Riau 28.1°C
23 Pelabuhan Pangkalbalam Kepulauan Bangka Belitung 28.1°C
24 Malu Kepulauan Riau 28.2°C
25 Pulau Kepalajerih Kepulauan Riau 28.2°C
Show 25 more ▸
26 Pulau Sambu Kepulauan Riau 28.2°C
27 Sekupang Kepulauan Riau 28.2°C
28 Pulau Cebia Kepulauan Bangka Belitung 28.2°C
29 Dabo Kepulauan Riau 28.2°C
30 Iyu Kecil (Brothers Light) Kepulauan Riau 28.2°C
31 Tanjung Butun Kepulauan Riau 28.2°C
32 Beting Akbar Kepulauan Bangka Belitung 28.2°C
33 Kenipaan Sumatera Timur 28.3°C
34 Pulau Celaka Kepulauan Bangka Belitung 28.3°C
35 Pulau Langkuas Kepulauan Bangka Belitung 28.3°C
36 Tanjungpandan Kepulauan Bangka Belitung 28.3°C
37 Sungai Palembang (Outer Bar) Sumatra Selatan 28.3°C
38 Teluk Bulu Kepulauan Bangka Belitung 28.3°C
39 Tanjung Batubedil Kepulauan Bangka Belitung 28.3°C
40 Tanjung Kelian Kepulauan Bangka Belitung 28.3°C
41 Pulau-Pulau Nangka Kepulauan Bangka Belitung 28.3°C
42 Teluk Pering Kepulauan Bangka Belitung 28.4°C
43 Pulau Beralas Kepulauan Riau 28.4°C
44 Pulau Simedang Kalimantan Barat 28.4°C
45 Pulau Berhala (Lingga Kepulauan) Kepulauan Riau 28.4°C
46 Pulau Besar Kepulauan Bangka Belitung 28.4°C
47 Pulau Dapur Kepulauan Bangka Belitung 28.4°C
48 Pulau Selandu (near) Kepulauan Bangka Belitung 28.4°C
49 Kuala Lajau Riau 28.5°C
50 Pulau Seliu Kepulauan Bangka Belitung 28.5°C

Warmest 10 in Indonesia in January

Same data the other way. The warmest spots for the same month.

# Location January mean
1 Sungai Kaibus West Papua 30.2°C
2 Kintong Sulawesi Tengah 30.2°C
3 Sungai Karabra West Papua 30.1°C
4 Kwatisore Papua 30.1°C
5 Momo Sulawesi Tengah 30.1°C
6 Nabire Papua 30.1°C
7 Lingkobu Sulawesi Tengah 30.1°C
8 Bungku Sulawesi Tengah 30.1°C
9 Pulau Kobalin Papua Barat 30.1°C
10 Pulau-Pulau Moor Papua 30.0°C

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