Mallaranny — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Mallaranny (Connacht, 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 Mallaranny help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Mallaranny in the Atlantic Ocean 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 Mallaranny 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 Mallaranny will be 13.2°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 1 | 13.8°C | 12.8°C | |
| JUN 2 | 13.6°C | 12.8°C | |
| JUN 3 | 13.6°C | 12.5°C | |
| JUN 4 | 13.8°C | 13.0°C | |
| JUN 5 | 13.9°C | 13.0°C | |
| JUN 6 | 13.5°C | 13.3°C | |
| JUN 7 | 13.7°C | 12.5°C | |
| JUN 8 | 13.7°C | 13.0°C | |
| JUN 9 | 13.7°C | 13.0°C | 13.7°C |
| JUN 10 | 12.3°C | 13.6°C | |
| JUN 11 | 13.0°C | 13.6°C | |
| JUN 12 | 13.0°C | 13.5°C | |
| JUN 13 | 13.0°C | 13.4°C | |
| JUN 14 | 13.0°C | 13.4°C | |
| JUN 15 | 13.0°C | 13.3°C | |
| JUN 16 | 13.0°C | 13.2°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
Mallaranny, on the coast of County Mayo in Connacht, sits where the sheltered bays meet the Atlantic, giving visitors scenic sandy strands and rocky inlets. The water off Mallaranny is influenced by Atlantic currents and seasonal weather, so temperatures remain relatively cool year-round. In winter, sea temperatures commonly fall to around 7–9 °C. Spring sees a gradual rise, with waters typically in the range of 8–12 °C as daylight increases. The warmest period is midsummer, when coastal temperatures usually reach about 13–16 °C, and on warmer years or calm spells can briefly touch 17 °C. During autumn the sea cools again, generally settling between 11 and 14 °C before the winter chill returns.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 8°C | 10°C | 12°C |
| February | 8°C | 9°C | 11°C |
| March | 7°C | 9°C | 11°C |
| April | 7°C | 10°C | 12°C |
| May | 9°C | 12°C | 13°C |
| June | 11°C | 13°C | 16°C |
| July | 12°C | 15°C | 19°C |
| August | 13°C | 16°C | 18°C |
| September | 13°C | 15°C | 17°C |
| October | 12°C | 14°C | 16°C |
| November | 11°C | 12°C | 14°C |
| December | 9°C | 10°C | 13°C |
* Click on a month to view detailed water temperature data.
Mallaranny: Weather Forecast
June 11
June 12
Location, Beaches & Local Information
Nearby Beaches & Facilities
Mulranny Beach
Swimming Conditions
Swimming at Mallaranny is very much an open-water experience where conditions and preparation matter. The long, shallow stretches of sand make for accessible entry points that suit short swims and family paddling when the weather is benign, but the water is cool enough that many visitors prefer a wetsuit outside a few summer weeks. Local coves and rockpools offer quieter, more sheltered spots for a dip, while exposed headlands and channels can have stronger currents and changing tides, so awareness of conditions is important. Lifeguard coverage is intermittent, and facilities are modest, so swimmers often rely on local advice or organised sea-swim groups. For a beach holiday, Mallaranny combines scenic walks and coastal activities with refreshing sea dips, but expect brisk water temperatures for much of the year and plan accordingly.