While at the weekend (1. May), temperature in England dropped to -5,8°C (Shap) /https://mkweather.com/uk-58c-36c-from-all-time-may-record-poland-49c-or-spain-24c-at-the-weekend-next-days-severe-frosts-in-central-europe//, May Bank Holiday Monday, 3. May 2021 brought even colder times in the UK.
In Kinbrace in the Highlands in Scotland, -5,9°C was measured, what is only 3,5°C warmer, than all-time May temperature record for the country from 1941. It´s the coldest temperature on May Bank Holiday Monday in the UK in all-time history.
Night from Wednesday to Thursday, 5.-6. May 2021 should bring according to Met Office again temperatures up to -6°C, with very close temperatures to all-time temperature record in Northern Ireland (-6,5°C) .
On Monday, 3. May, extremely cold was in Belgium, too, with -5,2°C in Elseborn (only 1,2°C from national May record from 1941: https://mkweather.com/elseborn-belgium-52c-only-12c-warmer-than-all-time-may-record-from-1941/).
During the first May 2021 days, all-time monthly records were regionally reported from France, Germany and the Spain /https://mkweather.com/france-extreme-frosts-are-back-monthly-may-temperature-records-overcame/; https://mkweather.com/germany-monthly-records-for-may/; https://mkweather.com/frosts-ground-frosts-and-monthly-records-in-the-spain-northwestern-spain-30c-andalusia-46c//.
Extremely cold weather in early May 2021 is only continuing of extremely April 2021 in Europe /https://mkweather.com/cet-record-1880-2021-april-2021-coldest-in-142-years/; https://mkweather.com/confirmed-coldest-april-in-the-uk-since-1922-late-frosts/; https://mkweather.com/england-april-is-colder-as-march-the-coldest-since-1922/; https://mkweather.com/the-uk-with-frostiest-april-in-history-some-stations-report-24-frost-days/; https://mkweather.com/germany-suffers-the-coldest-april-since-1917-extreme/; https://mkweather.com/france-the-coldest-mid-spring-in-all-time-history/; https://mkweather.com/coldest-april-in-the-netherlands-in-30-50-years-in-belgium-in-35-years// and only a part of the longer period with cold conditions on the Earth /https://mkweather.com/global-temperatures-dramatically-went-down-the-sharpest-jump-since-1990s-la-nina//.
On Tuesday and Wednesday, 4.-5. May, was mornings in Europe little warmer.
On Tuesday, 4. May 2021, the lowest temperatures were measured in Cewice, Poland, -3,5°C, Cairnwell, the UK, -3,1°C, Oberstdorf, Germany, -2,7°C, Briancon, France, -2,6°C, Liesek, Slovakia, -2,1°C, Pec pod Snežkou, Czechia, -1,7°C, Miercurea Ciuc, Romania, -1,4°C, Szeczeny, Hungary, -1,4°C, Varena, Lithuania, -1,2°C, Kocevje, Slovenia, -1,1°C an Puchberg, Austria, -1,0°C.
On Wednesday, 5. May 2021, was the coldest in Belach na Ba and Great Dun Fell, the UK, -3,6°C, Miercurea Ciuc, Romania, -3,3°C, Valke Maarja, Estonia, -1,9°C, Wasserkruppe, Germany, -0,9°C, Briancon, France, -0,7°C, Ivano-Frankivsk, Ukraine, -0,5°C or Mont Rigi, Belgium, -0,4°C.
Frosts are however expected to intensify in many parts of Europe during the next mornings, before an arrival of strong heatwave /https://mkweather.com/33c-in-central-europe-heatwave-between-8-12-may-will-be-strong//, therefore it´s possible, that late-frosts news from Europe we will bring during the next days, yet.
According to current forecasts, only ground frosts are across continental Europe after heatwave (cca 12.-20. May), mainly in basins and valleys, possible.
On the other hand, any bigger heatwaves aren´t in outlook until 20. May 2021 and in the UK, mainly Scotland, or even Germany, unseasonably snowfall should even occur.