Kilrush — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Kilrush (Republic of Ireland). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Kilrush help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Kilrush in the Celtic Sea today is 14°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Kilrush rose over the last 30 days but fell over the last week. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Kilrush will be 13.7°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 4 | 13.9°C | 13.3°C | |
| JUN 5 | 13.8°C | 13.0°C | |
| JUN 6 | 13.7°C | 13.3°C | |
| JUN 7 | 13.7°C | 13.3°C | |
| JUN 8 | 13.6°C | 13.0°C | |
| JUN 9 | 13.8°C | 13.3°C | |
| JUN 10 | 13.6°C | 13.3°C | |
| JUN 11 | 13.6°C | 13.3°C | |
| JUN 12 | 13.6°C | 13.3°C | 13.6°C |
| JUN 13 | 13.0°C | 13.6°C | |
| JUN 14 | 13.0°C | 13.6°C | |
| JUN 15 | 12.8°C | 13.7°C | |
| JUN 16 | 13.3°C | 13.7°C | |
| JUN 17 | 13.3°C | 13.7°C | |
| JUN 18 | 13.8°C | 13.7°C | |
| JUN 19 | 13.8°C | 13.7°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Kilrush sits on the Shannon Estuary in County Clare, Munster, where coastal and estuarine conditions shape local water temperatures. Seasonal averages are relatively cool: winter surface temperatures typically sit around 6–8 °C, spring gradually warms to roughly 8–12 °C, summer sees the highest readings at about 14–18 °C, and autumn brings a decline to approximately 10–13 °C. Being on an estuary means temperatures can vary with tides, sheltering and freshwater input, so shallow bays and sheltered inlets may feel slightly warmer in settled weather while exposed shores stay cooler. These figures are approximate and represent typical surface conditions rather than deep-water measurements.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 7°C | 10°C | 12°C |
| February | 8°C | 9°C | 11°C |
| March | 7°C | 9°C | 11°C |
| April | 8°C | 10°C | 12°C |
| May | 10°C | 12°C | 14°C |
| June | 11°C | 14°C | 17°C |
| July | 13°C | 15°C | 19°C |
| August | 14°C | 16°C | 19°C |
| September | 13°C | 15°C | 18°C |
| October | 12°C | 14°C | 16°C |
| November | 10°C | 12°C | 15°C |
| December | 9°C | 10°C | 13°C |
* Click on a month to view detailed water temperature data.
Kilrush: Weather Forecast
June 13
June 14
June 15
June 16
Location, Beaches & Local Information
Nearby Beaches & Facilities
Cappagh Beach
Cappa Pier Beach
Littor Beach
Swimming Conditions
Swimming and beach holidays around Kilrush are centered on estuary swimming, sheltered coves and a short drive to open-coast beaches. The marina and nearby shorelines provide calm spots for seasonal sea swimming, paddleboarding and kayaking, while more surf-oriented beaches are accessible within the county for those seeking traditional seaside bathing. Because even summer waters remain cool by continental standards, many visitors use wetsuits for longer swims or open-water events. Tide, currents and local boat traffic are important considerations, and facilities such as parking, promenades and holiday accommodation make Kilrush a workable base for a quieter beach break rather than a hot-weather bathing destination.