Water temperature in Saint-Martin-de-Re in August

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Is it warm enough to swim in Saint-Martin-de-Re in August? Average water temperature in Saint-Martin-de-Re in August is 20.4°C and therefore suitable for comfortable swimming. The warmest sea in Saint-Martin-de-Re in August is 23.1°C, and the coldest is 18.6°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Saint-Martin-de-Re

Changes water temperature in Saint-Martin-de-Re in August 2025, 2024

To get an accurate forecast for the water temperature in Saint-Martin-de-Re 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-Martin-de-Re, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 August	20.8°C	21.7°C	18.9°C	21.7°C
2 August	20.5°C	21.2°C	19.3°C	21.3°C
3 August	20.4°C	21°C	19.4°C	21.6°C
4 August	21.2°C	21.1°C	19.5°C	21.3°C
5 August	20.9°C	21.4°C	19.5°C	21.8°C
6 August	20.6°C	21.3°C	19.7°C	22.1°C
7 August	20.5°C	21.4°C	19.5°C	21.7°C
8 August	20.6°C	21.2°C	19.1°C	22°C
9 August	20.4°C	21.3°C	19.1°C	22°C
10 August	20.6°C	22.1°C	18.8°C	22.5°C
11 August	20.5°C	22.6°C	19°C	22.6°C
12 August	20.4°C	22.3°C	19.3°C	22.3°C
13 August	19.6°C	21.5°C	19.3°C	22.1°C
14 August	20.4°C	21.2°C	19.4°C	22.3°C
15 August	21°C	21°C	19.1°C	22.1°C

Day	2025	2024	Min	Max
16 August	20.6°C	21.1°C	18.9°C	21.9°C
17 August	21.3°C	20.5°C	19.1°C	22.1°C
18 August	21.2°C	19.6°C	19.3°C	22.2°C
19 August	21.1°C	19.7°C	19.2°C	22.4°C
20 August	20.9°C	19.7°C	19.3°C	22.5°C
21 August	20.5°C	19.2°C	18.7°C	22.5°C
22 August	20.3°C	19.6°C	18.8°C	22.8°C
23 August	20.3°C	19.6°C	19°C	22.8°C
24 August	20.6°C	19.7°C	18.9°C	22.5°C
25 August	20.5°C	19.6°C	18.8°C	23.1°C
26 August	21°C	19.6°C	19.2°C	22.7°C
27 August	20.8°C	20.1°C	19.3°C	22.3°C
28 August	20.6°C	20.4°C	19.4°C	21.6°C
29 August	20.5°C	20.2°C	19.1°C	21.4°C
30 August	20.9°C	20.3°C	18.7°C	21.3°C
31 August	20°C	19.6°C	18.6°C	21.9°C

Saint-Martin-de-Re water temp chart in August

Average water temperature in Saint-Martin-de-Re in August over a decade

2016	2017	2018	2019	2020
20°C	20.5°C	20.6°C	20.8°C	21.7°C

2021	2022	2023	2024	2025
20.5°C	20°C	21.3°C	20.7°C	20.6°C

Saint-Martin-de-Re sea state in August

Chart comparing the height of waves in Saint-Martin-de-Re in August 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.

Waves height in Saint-Martin-de-Re in August

Saint-Martin-de-Re 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 August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Sainte-Marie-de-Re	20.5°C	18.6°C	23.1°C
La Couarde-sur-Mer	20.1°C	17.5°C	22.5°C
Les Portes-en-Re	20°C	17.8°C	22.5°C
Saint Clement des Baleines	19.9°C	17.4°C	22.5°C
La Faute-sur-Mer	20.5°C	18.6°C	23.6°C
La Bree-les-Bains	20.4°C	18.4°C	23°C
La Terriere	20.1°C	18.4°C	22.8°C
Boyardville	20.6°C	18.7°C	23.6°C
Chatelaillon-Plage	20.8°C	18.8°C	23.4°C
La Tranche Sur Mer	20.1°C	18.4°C	22.8°C

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Our report for Saint-Martin-de-Re 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