Killarney Beach Sea Water Temperature
A temperate beach on the Coastal Waters, warmest around January at about 17.9°C. Today's reading, 7-day forecast, and monthly averages below.
Killarney Beach water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Killarney Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Killarney Beach occurs inJanuary, February, March, December — peaking at17.9°C (64.2°F) in January.
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 | 15.2°C | 17.9°C | 20.7°C | Cool / Refreshing (16°C – 20°C) |
| February | 16.6°C | 17.9°C | 19.2°C | Cool / Refreshing (16°C – 20°C) |
| March | 16.2°C | 17.6°C | 19.3°C | Cool / Refreshing (16°C – 20°C) |
| April | 14.8°C | 16.5°C | 17.6°C | Cool / Refreshing (16°C – 20°C) |
| May | 14.4°C | 15.8°C | 16.9°C | Very Cold (< 16°C) |
| June | 14.4°C | 15.1°C | 16.4°C | Very Cold (< 16°C) |
| July | 13.5°C | 14.6°C | 15.7°C | Very Cold (< 16°C) |
| August | 13°C | 13.9°C | 15°C | Very Cold (< 16°C) |
| SeptemberCurrent | 12.9°C | 13.8°C | 14.8°C | Very Cold (< 16°C) |
| October | 13.3°C | 14.3°C | 15.4°C | Very Cold (< 16°C) |
| November | 14°C | 15.6°C | 17.9°C | Very Cold (< 16°C) |
| December | 14.7°C | 16.8°C | 18.9°C | Cool / Refreshing (16°C – 20°C) |
Swimming FAQs for Killarney Beach
Is the sea warm enough to swim in Killarney Beach today?
Typical sea surface temperature in Killarney Beach this time of year is 13.8°C (56.8°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 Killarney Beach?
The highest water temperatures in Killarney Beach typically occur duringJanuary, February, March, December, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Killarney Beach in September?
Historically in September, water temperatures in Killarney Beach average around13.8°C (56.8°F), fluctuating between a recorded minimum of 12.9°C and a maximum of 14.8°C.