Water temperature in Koh Phangan in January

Is it warm enough to swim in Koh Phangan in January? Average water temperature in Koh Phangan in January is 27.9°C and therefore suitable for comfortable swimming. The warmest sea in Koh Phangan in January is 29.5°C, and the coldest is 26.2°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Koh Phangan

Changes water temperature in Koh Phangan in January 2025, 2024

To get an accurate forecast for the water temperature in Koh Phangan for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Koh Phangan, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 January	27.8°C	28.3°C	26.4°C	29.4°C
2 January	27.8°C	28.5°C	26.2°C	28.9°C
3 January	28.2°C	28.8°C	26.2°C	28.8°C
4 January	28.1°C	28.8°C	26.3°C	28.8°C
5 January	27.8°C	28.8°C	26.5°C	28.9°C
6 January	27.7°C	28.8°C	26.7°C	29.1°C
7 January	28°C	28.8°C	26.9°C	29.4°C
8 January	28°C	28.7°C	27.2°C	29.2°C
9 January	28.1°C	28.8°C	27°C	29.1°C
10 January	28°C	29°C	27°C	29.3°C
11 January	27.9°C	28.8°C	27.1°C	29.4°C
12 January	27.5°C	28.8°C	26.9°C	29.2°C
13 January	27.2°C	28.8°C	26.4°C	29°C
14 January	27.1°C	28.6°C	26.4°C	29.3°C
15 January	27.1°C	28.9°C	26.3°C	29.1°C

Day	2025	2024	Min	Max
16 January	27°C	28.8°C	26.4°C	29.4°C
17 January	27°C	28.6°C	26.3°C	29.2°C
18 January	26.9°C	28.7°C	26.2°C	29.2°C
19 January	27°C	28.8°C	26.3°C	29.5°C
20 January	27.3°C	28.7°C	26.5°C	29.4°C
21 January	27.3°C	29.1°C	26.4°C	29.4°C
22 January	27.4°C	29.4°C	26.7°C	29.5°C
23 January	27.3°C	29.2°C	26.3°C	29.3°C
24 January	27.6°C	28.9°C	26.3°C	29.2°C
25 January	27.6°C	28.9°C	26.5°C	28.9°C
26 January	27.7°C	28.9°C	26.7°C	28.9°C
27 January	27.9°C	28.8°C	26.6°C	28.8°C
28 January	27.6°C	28.7°C	26.7°C	28.7°C
29 January	27.6°C	28.5°C	26.6°C	28.8°C
30 January	27.3°C	28.4°C	26.7°C	29°C
31 January	27.5°C	28.5°C	26.7°C	28.7°C

Average water temperature in Koh Phangan in January over a decade

2016	2017	2018	2019	2020
29°C	27.9°C	27.7°C	28.2°C	28.4°C

2021	2022	2023	2024	2025
27.5°C	28.1°C	27.7°C	28.8°C	27.6°C

Koh Phangan sea state in January

Chart comparing the height of waves in Koh Phangan in January over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Koh Phangan water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in January. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Haad Rin	27.9°C	26.2°C	29.5°C
Bo Phut Beach	27.9°C	26.2°C	29.5°C
Mae Nam Beach	27.9°C	26.2°C	29.5°C
Choeng Mon Beach	28°C	26.2°C	29.4°C
Chaweng Beach	27.9°C	26.2°C	29.5°C
Mae Nam	27.9°C	26.1°C	29.5°C
Lamai Beach	27.9°C	26.2°C	29.5°C
Lipa Noi	27.9°C	26.1°C	29.5°C
Taling Ngam Beach	27.9°C	26.2°C	29.5°C
Koh Samui	27.9°C	26.2°C	29.5°C

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Our report for Koh Phangan is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature