Sand Bay Sea Water Temperature
A temperate beach on the Irish Sea, warmest around August at about 18.5°C. Today's reading, 7-day forecast, and monthly averages below.
Sand Bay water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Sand Bay Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Sand Bay 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 | 5.7°C | 7.5°C | 9.3°C | Very Cold (< 16°C) |
| February | 4.8°C | 6.9°C | 9°C | Very Cold (< 16°C) |
| March | 5.3°C | 7.3°C | 9.1°C | Very Cold (< 16°C) |
| April | 7.6°C | 9.5°C | 11.4°C | Very Cold (< 16°C) |
| May | 10.3°C | 12.4°C | 15.6°C | Very Cold (< 16°C) |
| June | 13.5°C | 15.4°C | 18.1°C | Very Cold (< 16°C) |
| July | 15.9°C | 17.7°C | 20.3°C | Cool / Refreshing (16°C – 20°C) |
| August | 17.2°C | 18.5°C | 21.2°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 15.3°C | 17.2°C | 19.3°C | Cool / Refreshing (16°C – 20°C) |
| October | 12.7°C | 14.9°C | 16.9°C | Very Cold (< 16°C) |
| November | 9.2°C | 11.6°C | 14°C | Very Cold (< 16°C) |
| December | 6.7°C | 8.8°C | 10.4°C | Very Cold (< 16°C) |
Swimming FAQs for Sand Bay
Is the sea warm enough to swim in Sand Bay today?
Typical sea surface temperature in Sand Bay 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 Sand Bay?
The highest water temperatures in Sand Bay typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Sand Bay in September?
Historically in September, water temperatures in Sand Bay average around17.2°C (63.0°F), fluctuating between a recorded minimum of 15.3°C and a maximum of 19.3°C.