Average Annual Precipitation for Ireland

The tables below give yearly averages for rainfall plus snowfall at major cities and other places around Ireland.

Each location has a total for how many days of wet weather it usually gets a year and for the normal amount of precipitation.

The calculation of days only includes the days when precipitation totalled at least 0.2 millimetres (0.008 inches). For Donegal and Galway, the total days includes any with at least 0.1 mm (0.004 inches) of precipitation.

The annual amounts of rain and snow given here are averages of weather data collected during 1981 to 2010.

You can jump to a separate table for each region of the country: Ulster, Munster, Leinster and Connacht. Ulster province includes the counties that border Northern Ireland. Munster province covers the southern part of Ireland. Leinster province is in the east, while Connacht (or Connaught) is in the west.


Average yearly precipitation
Days Place Inches Milli­metres
218 Clones 37.8 960
Donegal 49.2 1250
226 Malin Head 42.4 1076


Annual averages for rainfall plus snowfall
Days Place Inches Milli­metres
204 Cork 48.3 1228
138 Roches Point 28.7 728
211 Shannon 38.5 978
236 Valentia 61.3 1557


Average amount of rain and snow a year
Days Place Inches Milli­metres
206 Birr 33.3 846
183 Clondalkin 29.7 754
191 Dublin 29.8 758
193 Kilkenny 33.8 857
209 Mullingar 37.1 941
199 Wexford 41.7 1060


Average annual precipitation
Days Place Inches Milli­metres
246 Belmullet 49.0 1245
224 Claremorris 46.2 1174
183 Galway 49.7 1262

Met Eireann. The Irish Meteorological Service Online. Climate. 30 Year Averages.

World Meterorological Organization. World Weather Information Service. Ireland.

Ireland Precipitation
Back to Top