Plage de Port-Manec’h Sea Water Temperature
A temperate beach on the Celtic Sea, warmest around August at about 17.8°C. Today's reading, 7-day forecast, and monthly averages below.
Plage de Port-Manec’h water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Plage de Port-Manec’h Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Plage de Port-Manec’h occurs inJune, July, August, September — peaking at17.8°C (64°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 | 9.3°C | 10.8°C | 12.7°C | Very Cold (< 16°C) |
| February | 8.1°C | 10°C | 11.7°C | Very Cold (< 16°C) |
| March | 8.4°C | 10.1°C | 11.6°C | Very Cold (< 16°C) |
| April | 9.4°C | 11.5°C | 14.2°C | Very Cold (< 16°C) |
| May | 11.9°C | 13.9°C | 18°C | Very Cold (< 16°C) |
| June | 13.8°C | 16.1°C | 18.1°C | Cool / Refreshing (16°C – 20°C) |
| July | 14.2°C | 17.5°C | 21°C | Cool / Refreshing (16°C – 20°C) |
| August | 14.9°C | 17.8°C | 20.7°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 14.5°C | 17.2°C | 18.5°C | Cool / Refreshing (16°C – 20°C) |
| October | 13.9°C | 16°C | 18.4°C | Cool / Refreshing (16°C – 20°C) |
| November | 12.3°C | 14.1°C | 16°C | Very Cold (< 16°C) |
| December | 11°C | 12.3°C | 14.1°C | Very Cold (< 16°C) |
Swimming FAQs for Plage de Port-Manec’h
Is the sea warm enough to swim in Plage de Port-Manec’h today?
Typical sea surface temperature in Plage de Port-Manec’h this time of year is 17.2°C (63°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 Port-Manec’h?
The highest water temperatures in Plage de Port-Manec’h typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Plage de Port-Manec’h in September?
Historically in September, water temperatures in Plage de Port-Manec’h average around17.2°C (63.0°F), fluctuating between a recorded minimum of 14.5°C and a maximum of 18.5°C.