If you're looking for summer vibes, the best time to travel to Kilkenny is in June, July and August, when the average temperature reaches 18.16 °C, while June, May and July are the 3 sunniest months of the year, with an average of 71.04 hours.
However, if you prefer colder temperatures, make sure you visit Kilkenny during January, February or March to experience an average of -0.03 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during April, June and January, when the average precipitation in Kilkenny is 4.15 mm, while the months of January, February and March are drier, with an average of 0 mm.