The weather in Ireland on friday 15 August 2025
The average max temperature in Ireland on 15 August is normally around 19°C. For comparison, the highest daytime temperature in the past 10 years was 23°C in 2016, while the lowest was 15°C in 2015.
There’s a decent chance of precipitation, as 6 of the past 10 years saw precipitation on this day, with an average of 0,9 mm.The wind often comes from the West with a maximum speed of 3 Bft.The UV index can reach 6.
Temperature on 15 August in Ireland per year
This chart shows the average temperature on 15 August in Ireland, measured in degrees Celsius, over the past years.
Precipitation on 15 August in Ireland over the past years
This chart shows the total measured precipitation in millimeters on 15 August in Ireland over the past years.
Average weather in Ireland by month
Click on a month below to see detailed weather info for Ireland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.