
On This Day (20 July) in Irish Weather History

A chronological record of weather events and extremes that occurred in Ireland on 20 July throughout history.
1969: Temperatures reach the mid to high 20s.
1983: The warm summer weather, lightning and excessive use of water result in water shortages across Ireland.
1985: Thunderstorms break out across the country during what was an exceptionally wet month. Shannon records 33mm of rain.
2006: A warm day nationwide, with temperatures reaching the mid to high 20s.
2013: The long, hot summer continues—Shannon records a high of 29.3°C.
2016: Thunderstorms and lightning strikes cause power outages across the northern half of the country.
2020: Mount Dillon in Co. Roscommon records a low of 2.2°C—the coldest air temperature of the month and its lowest July minimum on record.
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