Playa de San Julián Sea Water Temperature
A temperate beach on the Cantabrian Sea, warmest around August at about 21.7°C. Today's reading, 7-day forecast, and monthly averages below.
Playa de San Julián water temperature
Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.
7-Day Water Temperature Forecast
Playa de San Julián Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Playa de San Julián occurs inJuly, August, September, October — peaking at21.7°C (71.1°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 | 11.9°C | 13.2°C | 14.9°C | Very Cold (< 16°C) |
| February | 11.8°C | 12.5°C | 13.6°C | Very Cold (< 16°C) |
| March | 11.4°C | 12.7°C | 14.2°C | Very Cold (< 16°C) |
| April | 11.9°C | 13.6°C | 15.8°C | Very Cold (< 16°C) |
| May | 12.8°C | 15.5°C | 17.8°C | Very Cold (< 16°C) |
| June | 16.3°C | 18.4°C | 20.5°C | Cool / Refreshing (16°C – 20°C) |
| July | 18.3°C | 20.9°C | 23.2°C | Comfortable (20°C – 24°C) |
| August | 19.7°C | 21.7°C | 24°C | Comfortable (20°C – 24°C) |
| SeptemberCurrent | 19.1°C | 21°C | 22.8°C | Comfortable (20°C – 24°C) |
| October | 17°C | 18.7°C | 21.7°C | Cool / Refreshing (16°C – 20°C) |
| November | 14.3°C | 16°C | 17.9°C | Cool / Refreshing (16°C – 20°C) |
| December | 12.7°C | 14.2°C | 15.9°C | Very Cold (< 16°C) |
Swimming FAQs for Playa de San Julián
Is the sea warm enough to swim in Playa de San Julián today?
Typical sea surface temperature in Playa de San Julián this time of year is 21°C (69.8°F) — classified as Comfortable (20°C – 24°C). Pleasant and revitalizing. Great for most beachgoers and active recreational swimming. Live readings load automatically.
What are the warmest months for swimming in Playa de San Julián?
The highest water temperatures in Playa de San Julián typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Playa de San Julián in September?
Historically in September, water temperatures in Playa de San Julián average around21°C (69.8°F), fluctuating between a recorded minimum of 19.1°C and a maximum of 22.8°C.