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Sea Temperature in Dun Laoghaire in April
Complete information on the sea temperature range in the Irish Sea in Dun Laoghaire in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in Dun Laoghaire. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Dun Laoghaire in April
7°C
MINIMUN
9°C
AVERAGE
11°C
MAXIMUM
Historical Data of Water Temperature in April in Dun Laoghaire
Water Temperature Chart for Irish Sea in Dun Laoghaire in April
Sea Temperature Table in Dun Laoghaire in April Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
Apr 1 | 8°C | 8°C | 11°C | 8.8°C |
Apr 2 | 8°C | 8°C | 8°C | 8.0°C |
Apr 3 | 9°C | 8°C | 8°C | 8.3°C |
Apr 4 | 9°C | 8°C | 11°C | 9.0°C |
Apr 5 | 8°C | 8°C | 8°C | 8.3°C |
Apr 6 | 9°C | 8°C | 8°C | 8.3°C |
Apr 7 | 8°C | 8°C | 8°C | 8.0°C |
Apr 8 | 8°C | 8°C | 8°C | 8.0°C |
Apr 9 | 8°C | 8°C | 9°C | 8.3°C |
Apr 10 | 8°C | 8°C | 11°C | 9.0°C |
Apr 11 | 8°C | 8°C | 11°C | 9.3°C |
Apr 12 | 8°C | 9°C | 8°C | 8.5°C |
Apr 13 | 9°C | 9°C | 8°C | 8.8°C |
Apr 14 | 8°C | 9°C | 11°C | 9.0°C |
Apr 15 | 8°C | 8°C | 8°C | 8.3°C |
Apr 16 | 9°C | 8°C | 11°C | 9.3°C |
Apr 17 | 9°C | 8°C | 9°C | 9.0°C |
Apr 18 | 9°C | 8°C | 8°C | 8.8°C |
Apr 19 | 9°C | 9°C | 9°C | 9.0°C |
Apr 20 | 9°C | 9°C | 8°C | 8.8°C |
Apr 21 | 9°C | 9°C | 10°C | 9.3°C |
Apr 22 | 9°C | 9°C | 11°C | 9.5°C |
Apr 23 | 9°C | 9°C | 10°C | 9.3°C |
Apr 24 | 9°C | 9°C | 11°C | 9.5°C |
Apr 25 | 10°C | 9°C | 10°C | 9.8°C |
Apr 26 | 9°C | 9°C | 9°C | 9.3°C |
Apr 27 | 9°C | 9°C | 11°C | 9.5°C |
Apr 28 | 9°C | 9°C | 11°C | 9.8°C |
Apr 29 | 9°C | 9°C | 11°C | 9.5°C |



Dun Laoghaire Climate and Swimming Opportunities in April
13°C
Average Day Air Temperature
5°C
Average Night Air Temperature
52 mm
Precipitation Amount per Month
13 days
Number of Rainy Days
14 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
17 km/h
Average Wind Speed
80%
Average
humidity
Dun Laoghaire lies within the Leinster in Ireland. The average daytime temperature in Dun Laoghaire in April is 13°C (55°F), while the nighttime average is 5°C (40°F). There are typically 13 rainy days during the month, with a total precipitation of 52 mm (2.0 inches). The daylight duration in April in Dun Laoghaire is 14 hours, with an average of 5 hours of sunshine per day. The average wind speed in April is 17 km/h (11 mph), and the humidity level is around 80%.
The water temperature in Dun Laoghaire in April ranges from 8°C to 9°C (46°F to 48°F). At the beginning of the month, the average temperature is around 8°C (46°F), shifting to 9°C (48°F) by mid-April and reaching 9°C (48°F) in the last ten days. Overall, the average sea temperature in Dun Laoghaire for April is 9°C (48°F). The water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.
Sea Temperature in April in Nearby Cities
Frequently Asked Questions About Water Temperatures in April in Dun Laoghaire
What is the sea temperature in Dun Laoghaire in April?
The water temperature in the Irish Sea in Dun Laoghaire in April ranges from 8°C to 9°C (46°F to 48°F).
Is it possible to swim in the Irish Sea in Dun Laoghaire in April?
The average sea temperature in Dun Laoghaire in April is 9°C (48°F), and the air temperature is 13°C (55°F), so the water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.