ak ▁at ▁B ally ke efe ▁House ▁in ▁Kil man agh , ▁an ▁English / common ▁o ak ▁at ▁F anning st own ▁House ▁in ▁O w ning ▁and ▁a ▁be ech ▁at ▁Castle com er ▁G olf ▁Club ▁in ▁Castle com er . ▁ ▁Cl imate ▁ ▁The ▁climate ▁of ▁County ▁Kil ken ny , ▁like ▁the ▁climate ▁of ▁Ireland , ▁is ▁a ▁change able ▁ocean ic ▁climate ▁with ▁few ▁extrem es . ▁It ▁is ▁defined ▁as ▁a ▁temper ate ▁ocean ic ▁climate , ▁or ▁C fb ▁on ▁the ▁Kö ppen ▁climate ▁classification ▁system . ▁Kil ken ny ▁lies ▁in ▁plant ▁Hard iness ▁zone ▁ 9 . ▁We ather wise , ▁the ▁county ▁is ▁generally ▁representative ▁of ▁wide ▁river ▁valle ys ▁in ▁the ▁region ▁with ▁low ▁temper atures ▁on ▁cloud less ▁night s , ▁and ▁is ▁significant ▁in ▁that ▁it ▁records ▁some ▁of ▁the ▁highest ▁summer ▁and ▁lowest ▁winter ▁temper atures ▁in ▁Ireland . ▁The ▁highest ▁air ▁temperature ▁ever ▁recorded ▁in ▁Ireland ▁was ▁, ▁at ▁Kil ken ny ▁Castle ▁on ▁ 2 6 ▁June ▁ 1 8 8 7 . ▁ ▁The ▁Met ▁É ire ann ▁Kil ken ny ▁We ather ▁Ob ser ving ▁Station , ▁ 2   km ▁north - west ▁of ▁Kil ken ny ▁City ▁centre , ▁on ▁the ▁Dun ing st own ▁Road , ▁opened ▁in ▁May ▁ 1 9 5 7 , ▁and ▁observations ▁ceased ▁in ▁April ▁ 2 0 0 8 . ▁A ▁clim at ological ▁station ▁is ▁currently ▁in ▁operation ▁within ▁ 1   km