Plage de Lanruen Sea Water Temperature
A temperate beach on the Celtic Sea, warmest around August at about 17.9°C. Today's reading, 7-day forecast, and monthly averages below.
Plage de Lanruen water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Plage de Lanruen Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Plage de Lanruen occurs inJuly, August, September, October — peaking at17.9°C (64.2°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 8.5°C | 10°C | 11.7°C | Very Cold (< 16°C) |
| February | 7.8°C | 9.1°C | 10.3°C | Very Cold (< 16°C) |
| March | 7.5°C | 9°C | 9.9°C | Very Cold (< 16°C) |
| April | 8.7°C | 10.1°C | 12°C | Very Cold (< 16°C) |
| May | 10.6°C | 12.1°C | 14.3°C | Very Cold (< 16°C) |
| June | 12.5°C | 14.4°C | 16.9°C | Very Cold (< 16°C) |
| July | 14.8°C | 16.5°C | 18.1°C | Cool / Refreshing (16°C – 20°C) |
| August | 15.9°C | 17.9°C | 19.7°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 16.8°C | 17.9°C | 20°C | Cool / Refreshing (16°C – 20°C) |
| October | 14.7°C | 16.6°C | 18.5°C | Cool / Refreshing (16°C – 20°C) |
| November | 11.6°C | 14°C | 16.2°C | Very Cold (< 16°C) |
| December | 10.1°C | 11.7°C | 13.7°C | Very Cold (< 16°C) |
Swimming FAQs for Plage de Lanruen
Is the sea warm enough to swim in Plage de Lanruen today?
Typical sea surface temperature in Plage de Lanruen this time of year is 17.9°C (64.2°F) — classified as Cool / Refreshing (16°C – 20°C). Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing. Live readings load automatically.
What are the warmest months for swimming in Plage de Lanruen?
The highest water temperatures in Plage de Lanruen typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Plage de Lanruen in September?
Historically in September, water temperatures in Plage de Lanruen average around17.9°C (64.2°F), fluctuating between a recorded minimum of 16.8°C and a maximum of 20°C.