Water temperature in Ploemeur in May

Is it warm enough to swim in Ploemeur in May? Average water temperature in Ploemeur in May is 14°C and therefore is not suitable for comfortable swimming. The warmest sea in Ploemeur in May is 17.4°C, and the coldest is 11.3°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ploemeur

Changes water temperature in Ploemeur in May 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 May	14.7°C	13°C	11.3°C	14.7°C
2 May	15.1°C	13.2°C	11.4°C	15.1°C
3 May	15.6°C	13.3°C	11.5°C	15.6°C
4 May	15.2°C	13.2°C	11.6°C	15.2°C
5 May	14.8°C	13.5°C	11.8°C	14.8°C
6 May	14.5°C	13.7°C	11.7°C	14.8°C
7 May	14.5°C	14.2°C	11.7°C	14.9°C
8 May	14.2°C	14.2°C	11.7°C	15.1°C
9 May	14.3°C	13.5°C	11.5°C	15.1°C
10 May	14.5°C	14.5°C	11.5°C	15.2°C
11 May	14.5°C	14.9°C	11.6°C	15.1°C
12 May	15°C	15.4°C	11.9°C	15.4°C
13 May	15.2°C	15.1°C	11.8°C	15.2°C
14 May	15.8°C	15.1°C	11.9°C	15.8°C
15 May	15.8°C	14.9°C	11.9°C	15.8°C

Day	2025	2024	Min	Max
16 May	15.8°C	15.1°C	12.1°C	15.8°C
17 May	16.1°C	15.2°C	12°C	16.1°C
18 May	16°C	15.8°C	12.3°C	16°C
19 May	16.2°C	16°C	12.5°C	16.2°C
20 May	17°C	16.5°C	12.6°C	17°C
21 May	16.3°C	16°C	12.6°C	16.3°C
22 May	16.2°C	16.1°C	12.6°C	16.2°C
23 May	16°C	15.8°C	12.3°C	16°C
24 May	16.2°C	15.8°C	12.2°C	16.2°C
25 May	15.7°C	15.8°C	12.3°C	15.9°C
26 May	15.9°C	16°C	12.5°C	16.2°C
27 May	16°C	16.1°C	12.7°C	16.7°C
28 May	15.3°C	16°C	12.5°C	16.6°C
29 May	16.1°C	15.8°C	12.4°C	17.3°C
30 May	16.2°C	15.4°C	12.7°C	17.4°C
31 May	17°C	15.4°C	12.9°C	17.4°C

Average water temperature in Ploemeur in May over a decade

2016	2017	2018	2019	2020
13.8°C	14.2°C	13.9°C	13.7°C	15°C

2021	2022	2023	2024	2025
13°C	14.8°C	14°C	15°C	15.5°C

Ploemeur sea state in May

Chart comparing the height of waves in Ploemeur 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.

Ploemeur 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Groix	14°C	11.3°C	17.6°C
Port Tudy	14°C	11.3°C	17.6°C
Gavres	14°C	11.3°C	17.3°C
Clohars-Carnoet	14°C	11.4°C	17.5°C
Etel	14.1°C	11.3°C	17.7°C
Erdeven	14.2°C	11.3°C	18.2°C
Belz	14.3°C	11.3°C	18.3°C
Port Manec'h	14°C	11.4°C	17.6°C
Kerfany les Pins	14°C	11.4°C	17.6°C
Plouharnel	14.2°C	11.3°C	18.4°C

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Our report for Ploemeur 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.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature