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18th Jul 2023

Ireland has become ‘warmer and wetter’ over the last 30 years

Ireland has become a much warmer and wetter country over the last 30 years, according to analysis from Met Eireann.

Looking back over the years 1991 to 2020, climate averages have shown that the average air temperature during that period compared to the previous 30 years was 0.7 degrees Celsius higher.

Spring has seen the biggest rise in temperature as there has been an increase in 0.8 degrees during this time.

It also found that temperatures have been higher across the entire country for each season and month.

The highest rise in temperature was in May, with saw a rise of approximately 1 degree, followed by around 0.9 degrees in February, April and November.

The smallest was in October of 0.2 degrees, with 0.3 degrees in December while other months showed a rise between 0.6 to 0.8 degrees.

This new analysis also showed that rainfall has significantly increased, rising by around 7% over the last 30 years compared to the 30 years from 1961.

There was an average rainfall of 1,288mm for the 1991-2020 period. This is an increase of approximately 3-6% in the east of the country and approximately 6-12% across areas of the west and north.

The information was released by Met Eireann ahead of the World Meteorological Organisation’s (WMO) publication in August of the Global Climate Averages for 1991-2020.