Playa de Arnao Sea Water Temperature
A temperate beach on the Cantabrian Sea, warmest around August at about 20.2°C. Today's reading, 7-day forecast, and monthly averages below.
Playa de Arnao water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Playa de Arnao Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Playa de Arnao occurs inJuly, August, September, October — peaking at20.2°C (68.4°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 | 12.3°C | 13.4°C | 15.6°C | Very Cold (< 16°C) |
| February | 11.6°C | 12.9°C | 14°C | Very Cold (< 16°C) |
| March | 11.5°C | 12.8°C | 14°C | Very Cold (< 16°C) |
| April | 11.1°C | 13.4°C | 14.5°C | Very Cold (< 16°C) |
| May | 13.5°C | 14.8°C | 16.7°C | Very Cold (< 16°C) |
| June | 15°C | 16.9°C | 18.6°C | Cool / Refreshing (16°C – 20°C) |
| July | 17.3°C | 19°C | 21.2°C | Cool / Refreshing (16°C – 20°C) |
| August | 17.8°C | 20.2°C | 21.6°C | Comfortable (20°C – 24°C) |
| SeptemberCurrent | 15.5°C | 19°C | 21°C | Cool / Refreshing (16°C – 20°C) |
| October | 14.8°C | 17.6°C | 21.2°C | Cool / Refreshing (16°C – 20°C) |
| November | 12.9°C | 15.5°C | 17.1°C | Very Cold (< 16°C) |
| December | 12.8°C | 14.1°C | 15.6°C | Very Cold (< 16°C) |
Swimming FAQs for Playa de Arnao
Is the sea warm enough to swim in Playa de Arnao today?
Typical sea surface temperature in Playa de Arnao this time of year is 19°C (66.2°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 Playa de Arnao?
The highest water temperatures in Playa de Arnao typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Playa de Arnao in September?
Historically in September, water temperatures in Playa de Arnao average around19°C (66.2°F), fluctuating between a recorded minimum of 15.5°C and a maximum of 21°C.