Nicholaston Beach Sea Water Temperature
A temperate beach on the Irish Sea, warmest around August at about 17°C. Today's reading, 7-day forecast, and monthly averages below.
Nicholaston Beach water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Nicholaston Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Nicholaston Beach occurs inJuly, August, September, October — peaking at17°C (62.6°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 | 7.4°C | 8.9°C | 10.4°C | Very Cold (< 16°C) |
| February | 7.1°C | 8.1°C | 9.1°C | Very Cold (< 16°C) |
| March | 6.9°C | 8.1°C | 9.2°C | Very Cold (< 16°C) |
| April | 7.9°C | 9.3°C | 10.7°C | Very Cold (< 16°C) |
| May | 9.7°C | 11.3°C | 13.2°C | Very Cold (< 16°C) |
| June | 12.6°C | 13.8°C | 15.4°C | Very Cold (< 16°C) |
| July | 14.2°C | 15.6°C | 17.6°C | Very Cold (< 16°C) |
| August | 16.3°C | 17°C | 18.3°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 15.7°C | 16.8°C | 18.1°C | Cool / Refreshing (16°C – 20°C) |
| October | 13.6°C | 15.4°C | 17°C | Very Cold (< 16°C) |
| November | 10.9°C | 13°C | 14.9°C | Very Cold (< 16°C) |
| December | 9.2°C | 10.5°C | 12.4°C | Very Cold (< 16°C) |
Swimming FAQs for Nicholaston Beach
Is the sea warm enough to swim in Nicholaston Beach today?
Typical sea surface temperature in Nicholaston Beach this time of year is 16.8°C (62.2°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 Nicholaston Beach?
The highest water temperatures in Nicholaston Beach typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Nicholaston Beach in September?
Historically in September, water temperatures in Nicholaston Beach average around16.8°C (62.2°F), fluctuating between a recorded minimum of 15.7°C and a maximum of 18.1°C.