Water temperature in Riec Sur Belon in May

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Is it warm enough to swim in Riec Sur Belon in May? Average water temperature in Riec Sur Belon in May is 13.9°C and therefore is not suitable for comfortable swimming. The warmest sea in Riec Sur Belon in May is 17.4°C, and the coldest is 11.4°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Riec Sur Belon

Changes water temperature in Riec Sur Belon in May 2025, 2024

To get an accurate forecast for the water temperature in Riec Sur Belon for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Riec Sur Belon, 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	12.8°C	11.4°C	14.7°C
2 May	14.9°C	13°C	11.5°C	14.9°C
3 May	15.3°C	13°C	11.6°C	15.3°C
4 May	15.1°C	13°C	11.7°C	15.1°C
5 May	14.5°C	13.4°C	12.1°C	14.7°C
6 May	14.2°C	13.6°C	12°C	14.8°C
7 May	14.1°C	13.6°C	12°C	15.3°C
8 May	14.2°C	14.1°C	12°C	15.3°C
9 May	14.3°C	13.8°C	11.8°C	15.2°C
10 May	14.3°C	14.4°C	11.9°C	15.3°C
11 May	14.6°C	14.6°C	12°C	15.2°C
12 May	15°C	15.3°C	12.2°C	15.4°C
13 May	15°C	14.8°C	12.1°C	15.3°C
14 May	15.5°C	15°C	12°C	15.5°C
15 May	15.7°C	15.1°C	11.9°C	15.7°C

Day	2025	2024	Min	Max
16 May	15.8°C	15.3°C	12.1°C	15.8°C
17 May	15.8°C	15.3°C	12.3°C	15.8°C
18 May	16°C	15.6°C	12.4°C	16°C
19 May	16°C	15.6°C	12.4°C	16°C
20 May	16.1°C	16.2°C	12.5°C	16.2°C
21 May	15.7°C	15.9°C	12.5°C	15.9°C
22 May	15.8°C	15.9°C	12.4°C	15.9°C
23 May	15.8°C	15.5°C	12.2°C	16°C
24 May	15.9°C	15.6°C	12.3°C	16°C
25 May	15.4°C	15.7°C	12.4°C	15.9°C
26 May	15.3°C	16.2°C	12.2°C	16.2°C
27 May	15.4°C	16.1°C	12.7°C	16.3°C
28 May	15.1°C	16°C	12.6°C	16.4°C
29 May	15.2°C	15.2°C	12.4°C	17.1°C
30 May	15.6°C	15°C	12.7°C	17.4°C
31 May	15.7°C	14.7°C	12.9°C	17.4°C

Average water temperature in Riec Sur Belon in May over a decade

2016	2017	2018	2019	2020
13.7°C	14.2°C	13.6°C	13.6°C	14.7°C

2021	2022	2023	2024	2025
12.7°C	14.8°C	13.9°C	14.8°C	15.2°C

Riec Sur Belon sea state in May

Chart comparing the height of waves in Riec Sur Belon 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.

Riec Sur Belon 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
Port Manec'h	14°C	11.4°C	17.6°C
Kerfany les Pins	14°C	11.4°C	17.6°C
Moelan-sur-Mer	14°C	11.4°C	17.5°C
Trevignon	14°C	11.5°C	17.7°C
Tregunc	13.9°C	11.4°C	17.6°C
Clohars-Carnoet	14°C	11.4°C	17.5°C
Kerleven	13.9°C	11.4°C	17.7°C
Guidel Plage	13.9°C	11.4°C	17.4°C
Le Pouldu	14°C	11.4°C	17.4°C
Beg Meil	13.9°C	11.4°C	17.6°C

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Our report for Riec Sur Belon 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