Plage de Castoul Sea Water Temperature
A temperate beach on the Cantabrian Sea, warmest around August at about 18.5°C. Today's reading, 7-day forecast, and monthly averages below.
Plage de Castoul water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Plage de Castoul Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Plage de Castoul occurs inJune, July, August, September — peaking at18.5°C (65.3°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 | 7.7°C | 10.4°C | 12.3°C | Very Cold (< 16°C) |
| February | 8.2°C | 9.7°C | 11.6°C | Very Cold (< 16°C) |
| March | 7.9°C | 10°C | 11.6°C | Very Cold (< 16°C) |
| April | 10.4°C | 11.8°C | 15°C | Very Cold (< 16°C) |
| May | 11.5°C | 14.2°C | 17.5°C | Very Cold (< 16°C) |
| June | 14.2°C | 16.5°C | 18.2°C | Cool / Refreshing (16°C – 20°C) |
| July | 14.5°C | 18°C | 20.5°C | Cool / Refreshing (16°C – 20°C) |
| August | 16.8°C | 18.5°C | 21.4°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 15.2°C | 17.7°C | 19.1°C | Cool / Refreshing (16°C – 20°C) |
| October | 14.6°C | 16.3°C | 19°C | Cool / Refreshing (16°C – 20°C) |
| November | 11.9°C | 14.1°C | 16.3°C | Very Cold (< 16°C) |
| December | 11°C | 12.1°C | 13.7°C | Very Cold (< 16°C) |
Swimming FAQs for Plage de Castoul
Is the sea warm enough to swim in Plage de Castoul today?
Typical sea surface temperature in Plage de Castoul this time of year is 17.7°C (63.9°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 Castoul?
The highest water temperatures in Plage de Castoul typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Plage de Castoul in September?
Historically in September, water temperatures in Plage de Castoul average around17.7°C (63.9°F), fluctuating between a recorded minimum of 15.2°C and a maximum of 19.1°C.