Cornwall water temperature in June

How cold is Cornwall water in summer? In June sea water temperature throughout Cornwall 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 Cornwall in June was 14.7°C (in Porthkerris), and the coldest water 13.7°C (in Porthmeor). To find out the sea temperature today and in the coming days, go to Current sea temperature in Cornwall

Cornwall sea surface temp in June

Cornwall cities and resorts with the values of the average water temperature in June 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 Cornwall any day over a period of the last ten years, select the month

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

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Our report for United Kingdom 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.