<P> Rainfall is the most common form of precipitation on the island , and is extremely common throughout Ireland , although some parts of the west coast receive over four times as much rain as the east coast . Rainfall in Ireland normally comes from Atlantic frontal systems which travel northeast over the island , bringing cloud and rain . Most of the eastern half of the country has between 750 and 1,000 mm ( 29.5 and 39.4 in ) of rainfall in the year . Rainfall in the west generally averages between 1,000 and 1,250 mm ( 39.4 and 49.2 in ) . In many mountainous districts rainfall exceeds 3,000 mm ( 118.1 in ) per year . The wettest months almost everywhere are December and January . April is the driest month generally , but in many southern parts June is the driest . </P>
<P> Rainfall is the most common form of precipitation on the island , and is extremely common throughout Ireland , although some parts of the west coast receive over four times as much rain as the east coast . Rainfall in Ireland normally comes from Atlantic frontal systems which travel northeast over the island , bringing cloud and rain . Most of the eastern half of the country has between 750 and 1,000 mm ( 29.5 and 39.4 in ) of rainfall in the year . Rainfall in the west generally averages between 1,000 and 1,250 mm ( 39.4 and 49.2 in ) . In many mountainous districts rainfall exceeds 3,000 mm ( 118.1 in ) per year . The wettest months almost everywhere are December and January . April is the driest month generally , but in many southern parts June is the driest . </P>
when does it rain the most in ireland
when does it rain the most in ireland
December and January
December and January