The temperatures in Killarney in August are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Killarney during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Killarney in August 2025.
If you’re planning to visit Killarney in the near future, we highly recommend that you review the 14 day weather forecast for Killarney before you arrive.
Temperatures
17° / 10°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
92
mm
Sun Hours
5.4
Hrs
