Ireland’s Typical Weather Conditions


Ireland’s climate can be very variable, but does not suffer the extreme weather conditions of many of its neighbouring European countries, due to it’s proximity to the Atlantic Ocean.

As temperatures vary so much it can be difficult to give an average for the year. One can expect an average temperature of 9ºC. In the middle and east of the country one can expect more extreme weather conditions such as mean daily maximums during summer of 19ºC and during the winter a mean daily minimum of 2ºC.

Wind speeds can also vary between about 4m/sec in the east, to 7m/sec in the northwest. Ireland gets most of it’s strong winds in the winter time rather than the summer. Sunshine duration is highest in the South and Southeast of the country. The average rainfall in Ireland is between 800 and 2,800mm.

Rainfall figures are highest in the northwest, west and southwest of the country, due to southwesterly winds coming in from the Atlantic.

Wetter parts of the country can receive over 200 days a year with more than 1 mm of rain per day, and drier parts of the country can receive 150 days.


The highest air temperature recorded in Ireland was + 33.3ºC at Kilkenny Castle on the 26th June 1887. The record maximum during the 20th century is +32.5ºC at Boora, Co. Offaly on 29th June 1976. The lowest air temperature was -19.1ºC measured at Markree Castle, Co. Sligo on 16th January 1881 and the lowest observed 20th century air temperature was -18.8ºC recorded at Lullymore, Co. Kildare on 2nd January 1979. The lowest observed grass minimum temperature was -19.6ºC at Dublin (Glasnevin) on 12th January 1982 which was almost matched by the -19.5ºC measured at Lullymore, Co. Kildare on 2nd January 1979.

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