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Warmest sea in Indonesia in January

594 coastal locations in Indonesia ranked by their typical January sea temperature. Region-wide average in January: 28.8°C. The top of the list is where to find the warmest swimming this month.

Warmest in January

Sungai Kaibus

30.2°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
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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, 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 Indonesia locations in January

Sorted by the typical January 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 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
11 Salabangka Sulawesi Tengah 30.0°C
12 Sungai Kais Papua Barat 30.0°C
13 Wassior Papua Barat 30.0°C
14 Yende Papua Barat 30.0°C
15 Fakfak Papua Barat 29.9°C
16 Kokas Papua Barat 29.9°C
17 Seroei Papua 29.9°C
18 Pulau Kokoila Sulawesi Tenggara 29.9°C
19 Lasusua 29.9°C
20 Pulau Galla Besar Sulawesi Tenggara 29.9°C
21 Agats (Teluk Flamingo) Papua 29.9°C
22 Syeri Papua Barat 29.9°C
23 Teluk Lasolo Sulawesi Tenggara 29.9°C
24 Sungai Cook Papua 29.9°C
25 Yef Yus Reef Papua Barat 29.9°C
Show 25 more ▸
26 Aika Papua 29.9°C
27 Baubau Sulawesi Tenggara 29.9°C
28 Tampunawu Sulawesi Tenggara 29.9°C
29 Yapero Papua 29.9°C
30 Tipuka Papua 29.9°C
31 Kendari 29.8°C
32 Teluk Togian Sulawesi Tengah 29.8°C
33 Tobelombangi Sulawesi Tengah 29.8°C
34 Sungai Uta Papua 29.8°C
35 Pulau Baleara Sulawesi Tenggara 29.8°C
36 Yenmanu Papua 29.8°C
37 Kokonao (Sungai Mimika) Papua 29.8°C
38 Teluk Lamala Sulawesi Tengah 29.8°C
39 Amahai 29.8°C
40 Masohi 29.8°C
41 Kolaka Sulawesi Tenggara 29.8°C
42 Luwuk 29.8°C
43 Teluk Kaimana Papua Barat 29.8°C
44 Mios Wundi Papua 29.8°C
45 Bosnik Papua 29.8°C
46 Korido Papua 29.8°C
47 Sorido Papua 29.8°C
48 Korim Papua 29.8°C
49 Barus Sumatra Utara 29.7°C
50 Saparua 29.7°C

Coldest 10 in Indonesia in January

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

# 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

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