On This Day (17 August) in Irish Weather History

A timeline of notable weather events and extremes that have taken place in Ireland on August 17th throughout history.

In 1940, Valentia, Co Kerry, recorded a monthly maximum air pressure of 1036.0 hPa, which remains Ireland’s highest for August.

In 1995, Shannon Airport reached 29.8 °C, while Kilkenny recorded 29.4 °C.

In 2016, Straide, Co Mayo, logged 60.5 mm of rain, its wettest August day since 1970. On the same day Carnew (Cronyhorn), Co Wicklow, measured 49.0 mm, its wettest August day since 2004.

In 2017, Malin Head recorded 34.4 mm of rainfall.

In 2018, Newport, Co Mayo, recorded 37.0 mm, its wettest August day since 2011.

In 2020, Storm Ellen was named and forecast to bring severe gales to Ireland’s west coast.

In 2022, Mount Dillon, Co Roscommon, reported the lowest grass minimum of the month at –1.5 °C, during an otherwise very warm August.

In 2023, Malin Head, Co Donegal, recorded the month’s highest sunshine total with 13.2 hours.