On This Day (12 July) in Irish Weather History

A chronological record of weather events and extremes that occurred in Ireland on 12 July throughout history.

1974: Intense thunderstorms bring flooding to Monaghan, with Clones recording 37mm of rain in just a few hours.

1983: Temperatures soar to 30°C in Kilkenny and 29.8°C at Shannon Airport in County Clare during a summer heatwave.

1988: A spell of unseasonably wet and windy weather affects much of the country, with daytime temperatures struggling to rise above the low teens.

1997: High humidity and warm conditions trigger widespread thunderstorms, particularly across the west and Midlands.

2005: Kilkenny City experiences a high of 29.2°C, while cooler conditions persist in the northwest, with Malin Head only reaching 16°C.

2013: Oak Park in Carlow logs the year’s warmest day so far with 29.5°C — just a week before temperatures climb even higher, hitting 31°C in Dooks, County Kerry.

2017: Markree, County Sligo, records a chilly 3.0°C — its lowest July temperature since 1990.