Slovenia water temperature in October

How cold is Slovenia water in autumn? In October sea water temperature throughout Slovenia is not yet warm enough for swimming and does not exceed 20°C. Based on average water temperature observations over the past ten years, the warmest sea in Slovenia in October was 19.6°C (in Portoroz), and the coldest water 19.3°C (in Ankaran). To find out the sea temperature today and in the coming days, go to Current sea temperature in Slovenia

Slovenia sea surface temp in October

Slovenia cities and resorts with the values of the average water temperature in October in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.

To find out what the water temperature was in Slovenia any day over a period of the last ten years, select the month

Places with the warmest average sea water temperature in Slovenia in October. Also indicated are the maximum and minimum temperatures in October for these locations based on observations over the past 10 years

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

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Our report for Slovenia 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.