Porthluney Beach Sea Water Temperature
A temperate beach on the Celtic Sea, warmest around August at about 16.8°C. Today's reading, 7-day forecast, and monthly averages below.
Porthluney Beach water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Porthluney Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Porthluney Beach occurs inJuly, August, September, October — peaking at16.8°C (62.2°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 | 10.7°C | 11.9°C | Very Cold (< 16°C) |
| February | 8.7°C | 10°C | 10.8°C | Very Cold (< 16°C) |
| March | 8.6°C | 9.7°C | 10.6°C | Very Cold (< 16°C) |
| April | 9.1°C | 10.5°C | 12.7°C | Very Cold (< 16°C) |
| May | 10.2°C | 12.1°C | 14.7°C | Very Cold (< 16°C) |
| June | 12.6°C | 14.7°C | 17.3°C | Very Cold (< 16°C) |
| July | 13.6°C | 16.4°C | 19.6°C | Cool / Refreshing (16°C – 20°C) |
| August | 15.6°C | 16.8°C | 19°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 14.6°C | 16.1°C | 17.7°C | Cool / Refreshing (16°C – 20°C) |
| October | 13.4°C | 14.9°C | 16.3°C | Very Cold (< 16°C) |
| November | 10.9°C | 13.3°C | 15.1°C | Very Cold (< 16°C) |
| December | 10.4°C | 11.7°C | 12.8°C | Very Cold (< 16°C) |
Swimming FAQs for Porthluney Beach
Is the sea warm enough to swim in Porthluney Beach today?
Typical sea surface temperature in Porthluney Beach this time of year is 16.1°C (61°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 Porthluney Beach?
The highest water temperatures in Porthluney Beach typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Porthluney Beach in September?
Historically in September, water temperatures in Porthluney Beach average around16.1°C (61.0°F), fluctuating between a recorded minimum of 14.6°C and a maximum of 17.7°C.