2023 confirmed as Ireland’s wettest year on record

Met Éireann’s analysis of Ireland’s complete set of quality-controlled rainfall measurements confirms that 2023 was the wettest year on record in Ireland, with records going back to 1941.

The provisional analysis carried out at the end of 2023, using mostly near real-time rainfall observations, had indicated that 2023 was in the top three wettest years on record.  As is Met Éireann’s procedure every year, the collection and inclusion of thousands of manually recorded rainfall observations allows for a more complete analysis and ranking of last year’s rainfall totals.

With all station rainfall observations now included and quality-controlled, 2023 finished narrowly wetter than 2009 and 2015, the two previous wettest years on record.

  • 2023 saw the wettest March and wettest July on record (respectively 185% and 201% of their 1991-2020 Long-Term Average (LTA) rainfall).
  • Five months saw over 135% of their LTA, mostly during the second half of the year.
  • 2023 saw numerous flooding events, particularly in August during storm Betty and in October during storm Babet.
  • 2009 now becomes the second wettest year on record with 1506.1 mm gridded average rainfall, versus 1510.9 mm gridded average rainfall in 2023. The driest year on record was in 1971 with 911.8 mm gridded average rainfall.

Photo by Jaleel Akbash on Unsplash