Porth Ysgo Sea Water Temperature
A cool beach on the Irish Sea, warmest around August at about 15.9°C. Today's reading, 7-day forecast, and monthly averages below.
Porth Ysgo water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Porth Ysgo Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Porth Ysgo occurs inJuly, August, September, October — peaking at15.9°C (60.6°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 | 7.8°C | 9.2°C | 10.9°C | Very Cold (< 16°C) |
| February | 7°C | 8.3°C | 9.4°C | Very Cold (< 16°C) |
| March | 6.8°C | 8°C | 9.4°C | Very Cold (< 16°C) |
| April | 8.1°C | 9.3°C | 10.3°C | Very Cold (< 16°C) |
| May | 8.9°C | 11°C | 12.4°C | Very Cold (< 16°C) |
| June | 11.9°C | 13.3°C | 14.5°C | Very Cold (< 16°C) |
| July | 12.3°C | 14.8°C | 16.4°C | Very Cold (< 16°C) |
| August | 15.3°C | 15.9°C | 17°C | Very Cold (< 16°C) |
| SeptemberCurrent | 14.3°C | 15.7°C | 17.1°C | Very Cold (< 16°C) |
| October | 13.1°C | 14.5°C | 16.1°C | Very Cold (< 16°C) |
| November | 10°C | 12.3°C | 14.1°C | Very Cold (< 16°C) |
| December | 9.7°C | 10.7°C | 12.1°C | Very Cold (< 16°C) |
Swimming FAQs for Porth Ysgo
Is the sea warm enough to swim in Porth Ysgo today?
Typical sea surface temperature in Porth Ysgo this time of year is 15.7°C (60.3°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 Porth Ysgo?
The highest water temperatures in Porth Ysgo typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Porth Ysgo in September?
Historically in September, water temperatures in Porth Ysgo average around15.7°C (60.3°F), fluctuating between a recorded minimum of 14.3°C and a maximum of 17.1°C.