Dun Laoghaire Weather in August

August in Dun Laoghaire brings pleasant temperatures around 19°C (66°F) during the day, dropping to 13°C (55°F) at night, with quite a bit of rainfall expected, averaging around 84 mm (3.3 in) for the month.

Rainfall in Dun Laoghaire in August

Historically, the month has about 16 days of rain, averaging 84 mm (3.3 in) in total. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Dun Laoghaire in August

In August, Dun Laoghaire gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 13°C (55°F). August is in the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it sees the highest temps of the year.

Sunshine in Dun Laoghaire in August

The month experiences a moderate amount of sunlight, with 157 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Dun Laoghaire in August

Wind speeds average 4 m/s (8 knots) during August. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in August

With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Dun Laoghaire.