Sea Temperature in Dun Laoghaire in August

Complete information on the sea temperature range in the Irish Sea in Dun Laoghaire in August. Historical daily data. Climate details for August. 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 August

55°F

MINIMUN

59°F

AVERAGE

63°F

MAXIMUM

Historical Data of Water Temperature in August in Dun Laoghaire

Water Temperature Chart for Irish Sea in Dun Laoghaire in August

Sea Temperature Table in Dun Laoghaire in August Over the Past Years

Day	2024	2023	2022	Average
Aug 1	63°C	57°C	63°C	60°C
Aug 2	61°C	59°C	59°C	60°C
Aug 3	63°C	59°C	59°C	60°C
Aug 4	63°C	59°C	63°C	61°C
Aug 5	61°C	57°C	59°C	59°C
Aug 6	63°C	57°C	57°C	59°C
Aug 7	61°C	57°C	63°C	60°C
Aug 8	61°C	57°C	63°C	60°C
Aug 9	63°C	59°C	59°C	60°C
Aug 10	61°C	59°C	57°C	59°C
Aug 11	59°C	59°C	61°C	59°C
Aug 12	61°C	59°C	61°C	60°C
Aug 13	59°C	59°C	59°C	59°C
Aug 14	59°C	59°C	57°C	59°C
Aug 15	59°C	59°C	63°C	60°C
Aug 16	59°C	59°C	63°C	60°C
Aug 17	59°C	59°C	57°C	58°C
Aug 18	59°C	61°C	61°C	60°C
Aug 19	59°C	61°C	59°C	60°C
Aug 20	59°C	59°C	59°C	59°C
Aug 21	59°C	59°C	61°C	59°C
Aug 22	59°C	59°C	59°C	59°C
Aug 23	57°C	57°C	59°C	58°C
Aug 24	59°C	59°C	57°C	58°C
Aug 25	61°C	59°C	63°C	60°C
Aug 26	57°C	59°C	59°C	58°C
Aug 27	57°C	59°C	57°C	58°C
Aug 28	59°C	59°C	57°C	58°C
Aug 29	57°C	59°C	63°C	59°C
Aug 30	57°C	59°C	63°C	60°C

Dun Laoghaire Climate and Swimming Opportunities in August

66°F

Average Day Air Temperature

54°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

15 days

Number of Rainy Days

15 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

9 mph

Average Wind Speed

81%

Average
humidity

Dun Laoghaire lies within the Leinster in Ireland. The average daytime temperature in Dun Laoghaire in August is 19°C (67°F), while the nighttime average is 12°C (53°F). There are typically 15 rainy days during the month, with a total precipitation of 72 mm (2.8 inches). The daylight duration in August in Dun Laoghaire is 15 hours, with an average of 5 hours of sunshine per day. The average wind speed in August is 15 km/h (9 mph), and the humidity level is around 81%.

The water temperature in Dun Laoghaire in August ranges from 14°C to 16°C (57°F to 61°F). At the beginning of the month, the average temperature is around 15°C (59°F), shifting to 15°C (59°F) by mid-August and reaching 15°C (59°F) in the last ten days. Overall, the average sea temperature in Dun Laoghaire for August is 15°C (59°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in August in Nearby Cities

Frequently Asked Questions About Water Temperatures in August in Dun Laoghaire

What is the sea temperature in Dun Laoghaire in August?

The water temperature in the Irish Sea in Dun Laoghaire in August ranges from 14°C to 16°C (57°F to 61°F).

Is it possible to swim in the Irish Sea in Dun Laoghaire in August?

The average sea temperature in Dun Laoghaire in August is 15°C (59°F), and the air temperature is 19°C (67°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.