Plage du Trez-Hir Sea Water Temperature
A temperate beach on the Celtic Sea, warmest around August at about 15.6°C. Today's reading, 7-day forecast, and monthly averages below.
Plage du Trez-Hir water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Plage du Trez-Hir Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Plage du Trez-Hir occurs inJuly, August, September, October — peaking at15.6°C (60.1°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 | 9.6°C | 11°C | 12.9°C | Very Cold (< 16°C) |
| February | 8.4°C | 10.4°C | 11.2°C | Very Cold (< 16°C) |
| March | 8.9°C | 10.3°C | 11.4°C | Very Cold (< 16°C) |
| April | 10.1°C | 11.1°C | 12.7°C | Very Cold (< 16°C) |
| May | 10.9°C | 12.7°C | 14.7°C | Very Cold (< 16°C) |
| June | 13°C | 14.1°C | 15.6°C | Very Cold (< 16°C) |
| July | 13.6°C | 15.3°C | 17.5°C | Very Cold (< 16°C) |
| August | 13.8°C | 15.6°C | 17.8°C | Very Cold (< 16°C) |
| SeptemberCurrent | 13.4°C | 15.3°C | 16.7°C | Very Cold (< 16°C) |
| October | 13.5°C | 14.6°C | 16.8°C | Very Cold (< 16°C) |
| November | 12.3°C | 13.7°C | 15.3°C | Very Cold (< 16°C) |
| December | 11°C | 12.3°C | 13.5°C | Very Cold (< 16°C) |
Swimming FAQs for Plage du Trez-Hir
Is the sea warm enough to swim in Plage du Trez-Hir today?
Typical sea surface temperature in Plage du Trez-Hir this time of year is 15.3°C (59.5°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Plage du Trez-Hir?
The highest water temperatures in Plage du Trez-Hir typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Plage du Trez-Hir in September?
Historically in September, water temperatures in Plage du Trez-Hir average around15.3°C (59.5°F), fluctuating between a recorded minimum of 13.4°C and a maximum of 16.7°C.