Water temperature in Oia in January

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Is it warm enough to swim in Oia in January? Average water temperature in Oia in January is 16.9°C and therefore is not suitable for comfortable swimming. The warmest sea in Oia in January is 18.8°C, and the coldest is 15°C. Average high air temperature in Oia in January is 14°C, and average low temperature is 9°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Oia

Changes water temperature in Oia in January 2025, 2024

To get an accurate forecast for the water temperature in Oia for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Oia, 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	17.6°C	18.7°C	15.9°C	18.7°C
2 January	17.5°C	18.7°C	16°C	18.7°C
3 January	17.6°C	18.6°C	15.9°C	18.6°C
4 January	17.5°C	18.5°C	15.7°C	18.5°C
5 January	17.7°C	18.6°C	15.6°C	18.6°C
6 January	17.6°C	18.8°C	15.7°C	18.8°C
7 January	17.6°C	18.5°C	15.1°C	18.5°C
8 January	18°C	18.4°C	15.2°C	18.4°C
9 January	18.3°C	18.6°C	15.3°C	18.6°C
10 January	18.4°C	18.5°C	15.3°C	18.5°C
11 January	17.9°C	18.3°C	15.2°C	18.3°C
12 January	18.6°C	18.2°C	15.3°C	18.6°C
13 January	18.3°C	18.1°C	15.1°C	18.3°C
14 January	17.9°C	17.9°C	15.1°C	17.9°C
15 January	17.8°C	17.9°C	15.2°C	17.9°C

Day	2025	2024	Min	Max
16 January	17.9°C	17.9°C	15.1°C	17.9°C
17 January	18°C	17.9°C	15.1°C	18°C
18 January	18.1°C	18.2°C	15.1°C	18.2°C
19 January	18°C	18.1°C	15.2°C	18.1°C
20 January	17.9°C	18.4°C	15°C	18.4°C
21 January	18°C	18.2°C	15.7°C	18.2°C
22 January	18°C	18°C	15.4°C	18°C
23 January	17.9°C	18.1°C	15.5°C	18.1°C
24 January	17.9°C	18°C	15.3°C	18°C
25 January	17.8°C	17.9°C	15°C	17.9°C
26 January	17.8°C	17.8°C	15.6°C	17.8°C
27 January	17.6°C	18°C	15.6°C	18°C
28 January	17.7°C	17.7°C	15°C	17.7°C
29 January	17.8°C	17.6°C	15°C	17.8°C
30 January	17.6°C	17.6°C	15°C	17.6°C
31 January	17.9°C	17.4°C	15°C	17.9°C

Average water temperature in Oia in January over a decade

2016	2017	2018	2019	2020
16.6°C	16.2°C	16.5°C	17°C	16.9°C

2021	2022	2023	2024	2025
17.6°C	17.2°C	17.5°C	18.2°C	17.9°C

Oia sea state in January

Chart comparing the height of waves in Oia 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.

Weather and climate in Oia in January

This data display average monthly climate indicators in Oia in January based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature14°C
Average LOW temperature9°C
Average rainfall days11 days
Average rainfall4.5''/114mm
Average daylight10h
Average sunshine4h
Average UV index2

Oia 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
Fira	17°C	15°C	18.9°C
Thirasia	16.9°C	14.9°C	18.7°C
Imerovigli	17°C	15°C	18.9°C
Megalochori	17°C	14.9°C	19°C
Karterados	17°C	14.9°C	19°C
Vlichada	17°C	14.9°C	19°C
Kamari	17°C	15°C	19°C
Perissa	17°C	14.9°C	19.1°C
Perivolos Beach	17°C	14.9°C	19.1°C
Ios island	16.8°C	14.9°C	19.1°C

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Our report for Oia 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