The island climate means that Ireland is usually quite warm, and humid and rains often.

An excerpt from the article 39 facts about Ireland

The longest river in Ireland is the Shannon (336 km), other larger rivers are: Slaney, Liffey, Boyne, Nore, Barrow, Suir, Clare, Moy, and others. River mouths are estuaries or fjords created by the activity of ice sheets.

Ireland's largest lake is Lough Corrib, located in the west of the country.