Water temperature in Oia in May
Is it warm enough to swim in Oia in May? Average water temperature in Oia in May is 19.3°C and therefore is not suitable for comfortable swimming. The warmest sea in Oia in May is 22.1°C, and the coldest is 17°C. Average high air temperature in Oia in May is 22°C, and average low temperature is 16°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 May 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 May.
You can choose any other years:
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 1 May | 17.6°C | 18.5°C | 17°C | 19.2°C |
| 2 May | 17.7°C | 18.9°C | 17.1°C | 19.5°C |
| 3 May | 17.7°C | 18.8°C | 17.1°C | 19.4°C |
| 4 May | 18.4°C | 18.8°C | 17.1°C | 19.8°C |
| 5 May | 18.2°C | 18.7°C | 17.2°C | 19.9°C |
| 6 May | 18.4°C | 18.7°C | 17.4°C | 19.7°C |
| 7 May | 18.2°C | 19.2°C | 17.3°C | 20.3°C |
| 8 May | 19.3°C | 19.1°C | 17.4°C | 20.4°C |
| 9 May | 19.1°C | 19°C | 17.2°C | 20.4°C |
| 10 May | 18.7°C | 18.8°C | 17.4°C | 20.6°C |
| 11 May | 18.4°C | 18.8°C | 17.4°C | 20.8°C |
| 12 May | 19°C | 19°C | 17.6°C | 20.6°C |
| 13 May | 19.1°C | 19.1°C | 17.6°C | 20.5°C |
| 14 May | 19°C | 19°C | 17.5°C | 20.7°C |
| 15 May | 18.8°C | 19.1°C | 17.9°C | 20.7°C |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 16 May | 18.2°C | 19.4°C | 18°C | 21.2°C |
| 17 May | 18.7°C | 19°C | 18.2°C | 21.4°C |
| 18 May | 18.8°C | 19.5°C | 18.3°C | 21.4°C |
| 19 May | 19.2°C | 20.3°C | 18.2°C | 21.9°C |
| 20 May | 19.6°C | 20.5°C | 18.4°C | 21.2°C |
| 21 May | 19.7°C | 20.8°C | 18.5°C | 21.6°C |
| 22 May | 19.9°C | 20.8°C | 18.7°C | 21.7°C |
| 23 May | 19.9°C | 20.7°C | 18.9°C | 21.4°C |
| 24 May | 20.4°C | 21.1°C | 19.1°C | 21.9°C |
| 25 May | 20.3°C | 20.9°C | 19.4°C | 21.5°C |
| 26 May | 20°C | 20.6°C | 19.5°C | 21.7°C |
| 27 May | 19.9°C | 20.6°C | 19.5°C | 21.7°C |
| 28 May | 20.3°C | 20.7°C | 19.3°C | 22.1°C |
| 29 May | 20.4°C | 20.8°C | 19.6°C | 21.5°C |
| 30 May | 20.2°C | 20.9°C | 19.8°C | 21.5°C |
| 31 May | 20.4°C | 21.4°C | 20°C | 22°C |
Average water temperature in Oia in May over a decade
| 2016 | 2017 | 2018 | 2019 | 2020 |
| 19.3°C | 19.3°C | 20.8°C | 18.9°C | 19.1°C |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 19.5°C | 19.1°C | 18.3°C | 19.7°C | 19.1°C |
Oia sea state in May
Chart comparing the height of waves in Oia in May 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 May
This data display average monthly climate indicators in Oia in May 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 temperature22°C
- Average LOW temperature16°C
- Average rainfall days3 days
- Average rainfall0.6''/15mm
- Average daylight14h
- Average sunshine10h
- Average UV index8
Oia water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
