On This Day (21 July) in Irish Weather History
On this day (July 21) in 2021, the first of two consecutive “tropical nights” was recorded at Valentia Observatory.
Overnight temperatures stayed above 20°C—an event recorded only half a dozen times previously.
The ongoing heatwave also saw several stations report record-high July temperatures.
The 21st of the month also brought some intense thunderstorm activity in places, especially in Ulster.
