What is the current water temperature in Dún Laoghaire?

Q: What is the current water temperature in Dún Laoghaire?

As of now, in Dún Laoghaire, the water temperature is 14.77°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Ireland > Dún Laoghaire

Water temperature in Dún Laoghaire

Detailed information about the current water temperature in Dún Laoghaire. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

58.6

°F

July 2, 12:50

Trend:

stable

Yesterday:

59.3°F

Tomorrow:

58.7°F

Sunrise:

05:02

Sunset:

21:55

Day Length:

16 h. 53 min.

Dún Laoghaire in July

Minimum:

45.0°F

Average:

47.9°F

Maximum:

49.2°F

Sea water temperature in Dún Laoghaire today

As of now, in Dún Laoghaire, the water temperature is 58.6°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.1°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 58.9°F on 2023, while the historical minimum was 55.9°F on 2016.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 59.0°F, with minimum temperature starting at 58.7°F, while the maximum might reach 59.1°F.

Daily water temperature in Dún Laoghaire

Date	Current Year actual* / forecast**	last year	10 years average
Jun 18	57.6°F	56.5°F	56.2°F
Jun 19	57.5°F	56.8°F	56.3°F
Jun 20	58.1°F	57.1°F	56.5°F
Jun 21	58.1°F	57.6°F	56.9°F
Jun 22	58.3°F	57.2°F	56.9°F
Jun 23	57.6°F	57.4°F	56.8°F
Jun 24	57.8°F	57.7°F	56.9°F
Jun 25	57.8°F	57.9°F	57.1°F
Jun 26	57.5°F	56.8°F	56.9°F
Jun 27	58.4°F	57.5°F	57.2°F
Jun 28	59.2°F	57.8°F	57.4°F
Jun 29	59.2°F	57.6°F	57.4°F
Jun 30	59.7°F	57.8°F	57.5°F
Jul 1	59.3°F	57.6°F	57.6°F
Jul 2	58.6°F	57.8°F	57.5°F
Jul 3	58.7°F	57.8°F	57.6°F
Jul 4	58.7°F	57.9°F	57.6°F
Jul 5	59.1°F	59.0°F	57.9°F
Jul 6	59.0°F	58.6°F	57.9°F
Jul 7	59.1°F	58.7°F	58.0°F
Jul 8	59.1°F	58.2°F	58.0°F
Jul 9	59.0°F	58.1°F	57.9°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Dún Laoghaire by month

In an average year, Dún Laoghaire offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Dún Laoghaire was recorded on August 14, 2022, reaching a 62.6°F. While the coldest temperature occurred on March 11, 2018, dipping to 42.8°F. The average readings by season are 47.6°F in Winter, 48.6°F in Spring, 58.1°F in Summer, and 56.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Dublin	59.1°F	5mi
Bray	58.1°F	6mi
Greystones	58.1°F	11mi

* current water temperature in this city

** straight line distance from Dún Laoghaire