Sea Temperature in Duncannon in August

© Mark Faulkner

Complete information on the sea temperature range in the Irish Sea in Duncannon in August. Historical daily data. Climate details for August. Tips on swimming conditions and beach relaxation in Duncannon. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Duncannon Climate and Swimming Opportunities in August

Duncannon lies within the Leinster in Ireland. The average daytime temperature in Duncannon in August is 19°C (67°F), while the nighttime average is 12°C (54°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 Duncannon is 14 hours, with an average of 5 hours of sunshine per day. The average wind speed in August is 17 km/h (11 mph), and the humidity level is around 84%.

The water temperature in Duncannon 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 16°C (61°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 Duncannon for August is 15°C (59°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in August in Duncannon