Water temperature in Ai Giannis

This data the coastal Ai Giannis sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Ai Giannis

Water temperature in Ai Giannis today is 24.5°C. Based on our historical data over a period of ten years, the warmest water in this day in Ai Giannis was recorded in 2024 and was 25.2°C, and the coldest was recorded in 2008 at 22.4°C. Sea water temperature in Ai Giannis is expected to drop to 22.6°C in the next 10 days. September average water temperature in Ai Giannis is 24.9°C, the minimum temperature is 21.1°C, and the maximum is 27.7°C.

The swimming season in Ai Giannis lasts from May to October. During those months, Ai Giannis water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Ai Giannis in winter reaches 14.6°C, in spring 15.9°C, in summer the average temperature rises to 25.5°C, and in autumn it is 21.6°C.

Ai Giannis water temperature now

The sea salinity in Ai Giannis is 32.22‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Ai Giannis for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Ai Giannis. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Ai Giannis. Data in table shown for 27 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Ai Giannis

Ai Giannis weather forecast

Current temperature and weather

Data in a table show Ai Giannis temperature today (27 September 2025). For more information and forecast for a few days, go to the weather forecast Ai Giannis.

0-3 h	3-6 h	6-9 h	9-12 h
20.1°C	18.4°C	18.1°C	18.8°C

12-15 h	15-18 h	18-21 h	21-24 h
20°C	20.5°C	19.3°C	18.3°C

Ai Giannis water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Ai Giannis. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Ai Giannis on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Ai Giannis

The nearest beaches and cities from Ai Giannis with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Papakosta beach	24.6°C	21°C		0.99 m
Papa Nero Beach	24.1°C	21°C		1.2 m
Volos	25.3°C	21°C		0.53 m
Kokkino Nero	24.5°C	21°C		0.77 m
Koutsoupia	24.5°C	21°C		0.77 m
Paliouria	24.5°C	21°C		0.77 m
Platia Ammos	24.5°C	21°C		0.77 m
Tsagkarada	24.2°C	21°C		0.53 m
Milopotamos	24.2°C	21°C		0.53 m
Fakistra Beach	24.2°C	21°C		0.53 m

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Our report for Ai Giannis 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.