Water temperature in Saint Helens (iow) in June

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Is it warm enough to swim in Saint Helens in June? Average water temperature in Saint Helens in June is 15.4°C and therefore is not suitable for comfortable swimming. The warmest sea in Saint Helens in June is 18.5°C, and the coldest is 11.9°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Saint Helens

Changes water temperature in Saint Helens in June 2025, 2024

To get an accurate forecast for the water temperature in Saint Helens for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Saint Helens, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of June.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 June	15°C	14.9°C	11.9°C	15.3°C
2 June	15.1°C	14.8°C	12°C	15.2°C
3 June	14.6°C	15.2°C	12.2°C	15.6°C
4 June	14.9°C	15°C	12.2°C	15.4°C
5 June	14.7°C	15.2°C	12.6°C	15.3°C
6 June	15.1°C	15.3°C	12.7°C	15.6°C
7 June	14.7°C	15.2°C	12.9°C	15.7°C
8 June	15°C	15.4°C	13.1°C	15.5°C
9 June	15°C	15.4°C	13.1°C	15.7°C
10 June	15.2°C	15.3°C	13.2°C	15.9°C
11 June	15.2°C	15.5°C	13.1°C	16.1°C
12 June	15.7°C	15.4°C	13.1°C	16.1°C
13 June	15.5°C	15.6°C	13.3°C	16.3°C
14 June	15.6°C	15.4°C	13.4°C	16.1°C
15 June	15.9°C	15.4°C	13.4°C	16.4°C

Day	2025	2024	Min	Max
16 June	16.2°C	15.4°C	13.5°C	16.5°C
17 June	16.4°C	15.6°C	13.9°C	16.7°C
18 June	16.7°C	15.7°C	14.1°C	17°C
19 June	17.1°C	15.6°C	14.3°C	17.5°C
20 June	17.1°C	15.9°C	14.4°C	17.1°C
21 June	17°C	16.3°C	14.4°C	17.4°C
22 June		16°C	14.3°C	17.5°C
23 June	17.1°C	16.5°C	14°C	17.8°C
24 June	17.1°C	16.6°C	14.1°C	18.1°C
25 June	16.9°C	16.7°C	14.2°C	18°C
26 June	17.5°C	17.3°C	14.3°C	17.5°C
27 June	17.6°C	17.4°C	14.4°C	18°C
28 June	17.7°C	17.1°C	14.5°C	18.5°C
29 June	17.9°C	17.4°C	14.8°C	18.2°C
30 June	18.3°C	17.4°C	15°C	18.3°C

Average water temperature in Saint Helens in June over a decade

2016	2017	2018	2019	2020
14.9°C	16°C	15.8°C	15.3°C	16°C

2021	2022	2023	2024	2025
15°C	16.2°C	16.5°C	15.9°C	16.1°C

Saint Helens sea state in June

Chart comparing the height of waves in Saint Helens in June 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.

Saint Helens 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 June. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Gosport	15.7°C	12.1°C	19.4°C
Hayling Island	15.7°C	12°C	19.2°C
Ryde	15.7°C	12.1°C	19.5°C
East Wittering	15.3°C	11.8°C	18.6°C
Chichester	15.5°C	11.9°C	19°C
West Wittering	15.5°C	11.9°C	19°C
Birdham	15.5°C	11.9°C	19°C
Emsworth	15.8°C	12°C	19.6°C
Fareham	15.8°C	12.1°C	19.9°C
Bosham	15.7°C	12°C	19.5°C

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Our report for Saint Helens 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