Temperature record broken, but July can’t beat last summer’s heat

Temperature records were broken in Ireland during last month’s heatwave – including a high of 33C in Phoenix Park in Dublin – but July 2021 was warmer on average across the country.

However, despite some rainfall in recent days, July 2022 is likely to be one of the driest months on record.

Meteorological data from the Met Éireann weather station network shows temperatures spiked for a brief period in the middle of the month and did not set new national records for average July temperatures.

Official records show the average monthly temperature at 22 of the 25 weather stations for July this year
lower than the same month last year.

The average temperature at many stations was over 1°C cooler at most stations compared to July 2021.

The weather station in Belmullet, Co Mayo, recorded an average temperature of 15°C last month compared to 16.3°C in the corresponding month last year.

The highest average temperature over the past month was recorded in Phoenix Park, Dublin, at 17.3°C – just above the average of 17.1°C for July 2021.

Only two other weather stations – Dublin Airport and Johnstown Castle in Co Wexford – recorded higher average July temperatures in 2022 than the previous year.

However, all but three of the 25 stations recorded their driest July in many years last month.

Weather stations in Athenry, Co. Galway only; Malin Head, County Donegal; and Valentia Island, Co Kerry, had less rainfall overall last July.

The figures show that total precipitation at most weather stations in recent years has been more than 50 percent below the monthly average for July and the long-term average over a 30-year period.

The driest place in Ireland last month was Dublin Airport, which recorded just 18.1mm of rainfall, compared with 72.9mm in the same month last year and the long-term average for July of 56.2mm.

Finner Camp, Ballyshannon, Co Donegal had the most rainfall of any location last month at 73.1mm, but still below the July 2021 figure of 91.7mm.

“Last week was wetter than normal but before that we had mostly dry conditions,” said Met Éireann forecaster Emer Flood.

The 33°C recorded at the weather station in Phoenix Park on 18 July was the highest July temperature ever recorded in Ireland, as well as the second highest temperature ever recorded in Ireland – just below the all-time record of 33.3°C, which was set was observed at Kilkenny Castle on June 26th, 1887.

Eight other weather stations also recorded their highest-ever temperatures on July 18 as a heatwave hit most of Europe, with Met Éireann issuing a rare status yellow high temperature warning for the country.

According to Met Éireann, the increase in the frequency and intensity of extremely hot weather is directly linked to climate change, which will continue to affect Ireland.

Man-made climate change due to greenhouse gas pollution is the main reason.

It recently established a new climate services division to help businesses, policymakers and planners apply climate information to their decisions.

Referring to the weather for early August, Ms Flood said there was no immediate prospect of another heatwave.

“The weather will remain unsettled until about mid-week,” she said.

“After that, high pressure will build up from the west, so conditions will become drier in the second half of the week.

“There is a strong signal that the first two weeks of August will be drier than normal.”

Temperatures will be average for the first week but could reach 22-23C tomorrow.

“The high temperatures might be meaningless for some people as it will be wet at the same time.”

https://www.independent.ie/irish-news/temperature-record-broken-but-july-fails-to-beat-heat-of-last-summer-41881101.html Temperature record broken, but July can’t beat last summer’s heat

Fry Electronics Team

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