Port Guen 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.
Port Guen water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Port Guen Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Port Guen 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 Port Guen
Is the sea warm enough to swim in Port Guen today?
Typical sea surface temperature in Port Guen 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 Port Guen?
The highest water temperatures in Port Guen typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Port Guen in September?
Historically in September, water temperatures in Port Guen average around17.7°C (63.9°F), fluctuating between a recorded minimum of 15.2°C and a maximum of 19.1°C.