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On This Day (20 July) in Irish Weather History

On This Day 6

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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