Saint-Gildas-de-Rhuys Sea Temperature

(Today) 2025

12.6°C / 54.6°F

The water will feel cool (fresh). Probably too cold for all but seasoned swimmers. We'd recommend a 4mm or 5mm wetsuit if you want to stay in the water.

Current weather

4°C / 39°F
(broken clouds)
Partly cloudy
Wind
22 mph
Humidity
86%

The measurements for the water temperature in Saint-Gildas-de-Rhuys, Brittany are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Saint-Gildas-de-Rhuys water temperature derived from many years of historical sea surface temperature data.

Saint-Gildas-de-Rhuys average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Saint-Gildas-de-Rhuys
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 8.2 8.5 8.8 9.7 12.2 13.8 14.9 17.1 16.8 14.8 13.3 10.2
Max °C 11.4 10.6 10.9 14 16.1 18.6 20 19.4 19.6 18.6 17 14.6
Min °F 48 48.1 48.6 51.1 55.5 58.8 60.8 63.7 63.4 60.2 57.4 52.1
Max °F 51.2 50.2 50.7 55.4 59.4 63.6 65.9 66 66.2 64 61.1 56.5

The warmest water temperature is in August with an average around 64.8°F / 18.2°C. The coldest month is February with an average water temperature of 49.1°F / 9.5°C.

7 day tide forecast for Saint-Gildas-de-Rhuys

WedThuFriSatSunMonTue
  • Low 12:58am
    (1.43m)
  • High 6:59am
    (4.62m)
  • Low 1:25pm
    (1.39m)
  • High 7:20pm
    (4.36m)
  • Low 1:38am
    (1.49m)
  • High 7:38am
    (4.54m)
  • Low 2:08pm
    (1.47m)
  • High 8:02pm
    (4.26m)
  • Low 2:23am
    (1.57m)
  • High 8:23am
    (4.45m)
  • Low 2:56pm
    (1.56m)
  • High 8:51pm
    (4.16m)
  • Low 3:14am
    (1.66m)
  • High 9:17am
    (4.35m)
  • Low 3:51pm
    (1.63m)
  • High 9:52pm
    (4.08m)
  • Low 4:12am
    (1.72m)
  • High 10:23am
    (4.27m)
  • Low 4:52pm
    (1.67m)
  • High 11:05pm
    (4.07m)
  • Low 5:18am
    (1.72m)
  • High 11:38am
    (4.27m)
  • Low 5:58pm
    (1.64m)
  • High 12:20am
    (4.16m)
  • Low 6:28am
    (1.63m)
  • High 12:54pm
    (4.35m)
  • Low 7:05pm
    (1.53m)
7 day tide times for Saint-Gildas-de-Rhuys

*These tide times are estimates based on the nearest accurate location (Port-Navalo, France) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.