Ireland West Airport Knock (Irish: Aerfort Iarthar Éireann) is an airport located 3 NM south-west of Charlestown, County Mayo, Ireland. The airport was formerly known as Knock International Airport, Connacht Regional Airport, and Horan International Airport.
Temperate Marine climate/Oceanic climate (Köppen climate classification Cfb). Moderately cool summer and comparatively warm winter with a temperature range of only 14°C. Prevailing south-westerly winds from the Atlantic Ocean.