Weather report for 6. May 2025: The British Islands and Continental Europe with frosts up to -5°C (The UK, -4,7°C, Belarus -4,5°C, Poland/Lithuania -3,2°C, Latvia -2,5°C, Germany -1,2°C, Czechia -0,7°C, Ireland -0,6°C, Spain 0,0°C) and very cold Tmax only +5/+10°C including lowlands, Severe storms hit Croatia, Slovenia, Bosnia, Romania and Italy as well as Barcelona/Girona region, Spain /Warmth, cold and severe storms in the US / Tiksi in Siberia -27,0°C in May and Zabaikalski region 87% engulfed by smoke, NE China, Korea and Japan with frosts, S/E China and SE Asia with heatwaves and storms, India and Pakistan, the Middle East and Central Asia heatwaves / Heatwaves in Bolivia, floods in Colombia and Brazil / +37,2°C in South Africa, +43,4°C in Senegal/Mali / The hottest May night in Tasmania ever / GW hole trend in N Atlantic
Marek Kučera 
Europe
The start of May 2025 brought a historic snowfall in Moscow and tropical heatwave, such as a transition of powerful cold front trough Europe /https://mkweather.com/daily-weather-report-for-5-may-2025-coldwave-in-europe-will-last-long-2-weeks-bringing-snow-and-frosts-sweden-105c-finland-104c-the-uk-29c-poland-17c-the-netherlands-14c-denmark-13c-baltic-countries-1; https://mkweather.com/weather-report-04-05-2025/; https://mkweather.com/weather-report-for-may-3rd-2025-unseasonal-heat-in-central-continental-europe-30c-in-austria-and-hungary-high-temps-along-mid-atlantic-us-seaboard-31c-in-virginia-and-maryland-midd/; https://mkweather.com/weather-report-for-1-may-2025-continental-europe-after-tropical-heatwave-frosts-and-snow-in-basins-finland-102c-the-netherlands-295c-germany-288c-severe-storms-hit-easter//.
On this cold front, still severe storms were occurring from 5. to 6. May 2025, mainly in Italy, Slovenia, Croatia, Bosnia and Herzegovina, Serbia, Romania and Moldova. Hail up to 5 cm and regional floods have appeared.
Very impressive were minimum temperatures reached on 6. May 2025 in the British Islands and continental Europe: Altnaharra, the UK, -4,7°C, Bobruisk, Belarus, -4,5°C, Klicev, Belarus, -3,9°C, Minsk, Belarus, -3,8°C, Alytus, Lithuania, -3,2°C, Suwalki, Poland, -3,2°C, Torun, Poland, -3,2°C, Vilnius, Lithuania, -3,2°C, Bialystok, Poland, -2,9°C, Daugavpils, Latvia, -2,5°C, Cottbus, Germany, -1,2°C, Palacios de La Sierra, Spain (1050 MASL), -0,9°C, Poznan, Poland, -0,9°C, Liberec, Czechia, -0,7°C, Dublin, Ireland, -0,6°C, Mullingar, Ireland, -0,2°C, León, Spain (916 MASL), 0,0°C.
Colder was only in Scandinavia, Kilpisjarvi Saana, Finland, reported -9,4°C, and Katterjakk, Sweden, -8,9°C.
Even more interesting should be maximum temperatures on 6. May 2025, with only +5/+10°C temperatures including lowlands: Mende, France (932 MASL), +7,9°C, Le Puy, France (832 MASL), +8,3°C, Hohenpeissenberg, Germany (977 MASL), +5,1°C, Oberstdorf, Germany (804 MASL), +6,4°C, Achenkirch, Austria (931 MASL), +5,6°C, Salzburg, Austria (419 MASL), +8,9°C, Cervena, Czechia (748 MASL), +7,7°C, Zakopane, Poland (855 MASL), +6,8°C, Krosno, Poland (329 MASL), +9,3°C, Liesek, Slovakia (692 MASL), +8,0°C, Poprad, Slovakia (703 MASL), +8,9°C, Pakri, Estonia (23 MASL), +6,6°C, Tallin, Estonia (33 MASL), +8,6°C, Ventspils, Latvia (2 MASL), +7,8°C, Palanga, Lithuania (10 MASL), +8,8°C, Lviv, Ukraine (323 MASL), +9,2°C, Lisca, Slovenia (947 MASL), +6,0°C, Puntijarka, Croatia (991 MASL), +6,7°C, Nestares, Spain (870 MASL), +7,9°C.
As we mentioned in the last articles (links above), heatwaves are forecast to return above the continent after 20. May, maybe until 10.-15. June 2025, shifting from the West to the East. Summer 2025 forecast you can find here: https://mkweather.com/summer-2025-forecast-for-europe/.
FROSTS IN EUROPE
SEVERE STORMS WITH GUSTS, HEAVY RAINFALL AND HAIL IN CROATIA, BOSNIA AND HERZEGOVINA, ROMANIA, SLOVENIA AND ITALY
Regions in Croatia, 5.5.2025 in the evening. Source: https://www.jutarnji.hr/vijesti/hrvatska/olujno-nevrijeme-poharalo-vinkovce-slavoniju-15580963
Storm in Šumece, Croatia on radar. Source: https://www.facebook.com/photo?fbid=1075564937953227&set=a.658645506311841
Hailstorm in Donji Smrtici, Bosnia and Herzegovina. Source: https://www.facebook.com/Prnjavor.i/posts/1130850025735134,https://www.facebook.com/watch/?v=680114048338407&t=4
Flood in Nazna, Romania. Source: https://www.facebook.com/watch/?v=1017112130527195
HEAVY RAINS AND HAIL IN BARCELONA AND GIRONA, SPAIN
Hail and floods in Barcelona and Girona region, Spain. Source: https://cronicaglobal.elespanol.com/vida/20250505/la-lluvia-causa-inundaciones-metropolitana-barcelona-girona/1003742654948_0.html
Damaging lightening in Italy. Source: https://www.meteonetwork.it/tt/stormreport/asset/photo/28099_1746462456.9365.jpg
Cerkno, Slovenia. Source: https://www.rtvslo.si/okolje/vreme/v-cerknem-se-je-hudourniska-reka-ponoci-umirila/744767; https://www.24ur.com/novice/slovenija/sprozena-sirena-v-cerknem-na-severnem-primorskem-nevihte-in-plazovi.html
North America / The USA
From temperature records in the USA in the last 48 hours we have noticed mainly record warm nights in New York or Washington state, extremely hot days in Wyoming and Montana, such as cold records and weather in California, Arizona and New Mexico.
Islip, NY, reported on Sunday, 4.5.2025 Tmin +59°F.
Quilayute in Washington state reported on Monday, 5.5.2025 Tmin +33°F and Walla Walla in Washington state +34°F.
Greybull in Wyoming reported on Monday, 5.5.2025 Tmax +85°F.
Baker in Montana finished day on 5.5.2025 with Tmax +84°F.
5 stations in California reported the coldest 4. May in history, with Tmins +62/+72°F.
Monsoon rains with hail hit parts of Arizona and New Mexico, Phoenix reported Tmax only +74°F, which is the 7th coldest 5th May in history.
Severe storms are bothering the eastern half of the USA, such as Texas and Florida regions (some Tweets below). From current news we are choosing: Strong Storms, Flooding Possible In The South /https://weather.com/storms/severe/video/severe-weather-tornadoes-flood-storms-south-texas/, South, Northeast Stuck In A Stormy Pattern With Possible Severe Weather, Flooding This Week /https://weather.com/storms/severe/news/2025-05-04-plains-south-northeast-storms-rain-flooding-severe-forecast/, Severe storms to rattle areas in south-central, northeast and southeast US /https://www.accuweather.com/en/severe-weather/severe-storms-to-rattle-areas-in-south-central-northeast-and-southeast-us/1771822/, Northeast: Days of showers and thunderstorms for some, heavy rain for others /https://www.accuweather.com/en/weather-forecasts/northeast-days-of-showers-and-thunderstorms-for-some-heavy-rain-for-others/1771663/, Search underway for missing 10-year-old swept away by floodwaters in Texas /https://www.accuweather.com/en/weather-news/10-year-old-missing-after-texas-floodwaters-sweep-her-away/1772077/, and Soggy South Central states: Intense downpours to renew flooding risk /https://www.accuweather.com/en/weather-forecasts/soggy-south-central-states-intense-downpours-to-renew-flooding-risk/1771462/.
Warming and drying pattern for many parts of the continent is in the next weeks predicted, as we mentioned in the last daily Weather reports.
Summer 2025 forecast for North America and the USA you will find here: https://mkweather.com/summer-2025-forecast-for-north-america-and-the-usa-at-the-first-half-more-floods-at-the-second-half-peak-of-the-summer-strong-wildfire-season-on-the-west-deadly-tornado-and-hurricane-season-on-the-eas/.
NEW YORK AND SEATTLE REGIONS WITH A RECORD WARM NIGHTS
EXTREMELY HOT DAY IN WYOMING AND MONTANA
COLD WEATHER IN CALIFORNIA, ARIZONA AND NEW MEXICO
STORMS IN EASTERN HALF OF THE USA
Asia
After severe floods in Dimona, Israel, dramatic floods have shifted eastward and in the last hours hit Jordan, including Petra, where tourists were evacuated and a few died.
Meanwhile, heatwaves in the Middle East and Central Asia are regenerating, with historic Tmins in UAE and Oman: +39,1°C in Khassab, +38,2°C in Fujirah Port and +38,1°C in Fakkan Port, which is the highest minimum temperatures worldwide measured for 1. January to 15. May period. Sohar, Oman +45,7°C reported on 6. May 2025.
+40,3°C in Turkmenistan, +38°C in Kazakhstan where Bayyrkum set a new May record with +36,5°C were measured. The heat however will get much worse next days and will continue for any foreseeable future.
A result of Asian megaheatwaves we can see in wildfires in Siberia – Zabaikalsky region in Russia is currently 87% engulfed by smoke from wildfires.
Only before a few days, on 1. May 2025, however, was measured very cold -27,0°C in Tiksi, Russia, -27,0°C.
From other spring frost, Tulihe, China, reported -7,3°C on 5. May 2025, Mohe, China, -5,6°C on 6. May 2025 or Taegwallyong, South Korea, 842 MASL, -1,2°C on 5. May 2025.
Yoneyama in Japan recorded its lowest temperature in May in history, +1,1°C.
From other weather events we should mention heatwaves and severe storms in China ( in Yuanyang, Yunan, +43,3°C was measured, severe floods occured in Qianxi and Yanling).
Severe heatwaves +45/+50°C are forecast for parts of India and Pakistan in the next weeks. Afghanistan hit regional floods.
SE Asia is stormy and hot, with heat index above +50°C regionally.
Basco, Philippines, recorded Tmin +27,1°C – the highest minimum temperature in May in history.
The highest rainfall in Asia on 6. May 2025. Source: https://ogimet.com/cgi-bin/gsynext?state=Asi&rank=500&ano=2025&mes=05&day=06&hora=20&Enviar=Ver
DRAMATIC FLOODS IN PETRA, JORDAN
+1,1°C IN YONEYAMA, JAPAN – A NEW ABSOLUTE TEMPERATURE MAY MINIMUM
+43,3°C IN CHINA
TURKMENISTAN AGAIN ABOVE +40°C (+40,3°C), KAZAKHSTAN +38°C
HEATWAVES IN THE MIDDLE EAST
FLOODS IN SOUTHERN ISRAEL
QIANXI AND YANLING, CHINA, WITH FLOODS
The boats reportedly turned over while on a river in the city of Qianxi, which caused 84 people to fall into the water. /https://www.accuweather.com/en/weather-news/10-dead-dozens-hospitalized-as-chinese-tourist-boats-capsize/1771798/-
HEATEAVES IN INDIA AND PAKISTAN
SEVERE STORMS WITH HEATWAVES IN SE ASIA – ABOVE +50°C REAL FEEL TEMPERATURES
FLOODS IN AFGHANISTAN
South America
The hottest in comparison with a long-term seasonal average is in Bolivia region these day. Is late Autumn, but in Puerto Suarez, Bolivia, maximum temperature on 6. May 2025 reached a supertropical +36,2°C.
Severe floods are reported from Itagui, Colombia and Santo Amaro, Brazil (Bahia).
From cloder regions, Bariloche, Argentina, 7/9 of last days reported frosts 0/-3°C. Balmaceda, Chile, reported -3,7°C on 4. May 2025.
Outlook is warm or hot for the South and Stormy for the North of the continent, as we mentioned in previous daily Weather reports.
Maximum temperatures on 6. May 2025 in South America. Source: https://ogimet.com/cgi-bin/gsynext?state=Ames&rank=500&ano=2025&mes=05&day=06&hora=20&Enviar=Ver
FLOODS AND MUDSLIDE IN ITAGUI, COLOMBIA
FLOODS IN SANTO AMARO, BAHIA, BRAZIL
Africa
Heatwaves in South Africa is surprisingly powerful in late Autumn 2025, with anomalous temperature of +37,2°C in Vioolsdrif, South Africa.
Meanwhile, in Sahara and Sahel, the hottest is in Matam, Senegal, +44,3°C, and Nara and Nioro du Sahel, Mali, +44,3°C.
Tropical forests and many savannas are reporting severe storms and floods, a list of countries with flood risk we mentioned in the previous daily Weather report from Mkweather: https://mkweather.com/daily-weather-report-for-5-may-2025-coldwave-in-europe-will-last-long-2-weeks-bringing-snow-and-frosts-sweden-105c-finland-104c-the-uk-29c-poland-17c-the-netherlands-14c-denmark-13c-baltic-countries-1/.
HEATWAVES IN SOUTH AFRICA
Maximum temperatures on 6. May 2025 in South Africa. Source: https://ogimet.com/cgi-bin/gsynext?state=South+A&rank=500&ano=2025&mes=05&day=06&hora=20&Enviar=Ver
FLOODS IN UGANDA
Australia
Australia reports a late-Autumn heatwaves, too, with Tmaxes up to +37,5°C in Mandora on 6. May 2025.
However, Tasmania is the warmest in comparison with weather averages, with the hottest May nights in history. In Flinders Island, Tmin +18,7°C was on 6. May 2025 measured.
Meanwhile, Mt. Hutt in New Zealand reports a record late-Autumn snowfall.
Dunedin, New Zealand, reported on 6. May 2025 only -1,0°C,
TASMANIA ALMOST WITH TROPICAL NIGHTS – THE HIGHEST MAY TEMPERATURE MINIMUM EVER!
Maximum temperatures in Australia on 6. May 2025. Source: https://ogimet.com/cgi-bin/gsynext?state=Pacs&rank=500&ano=2025&mes=05&day=06&hora=20&Enviar=Ver
The Arctic and Antarctica
From the Arctic and Antarctica, we are today choosing a GW hole cooling trend in the North Atlantic, such a result of melting freshwater in the Arctic and measured temperatures in Vostok station, Antarctica, in the last 30 days.
Source. https://twitter.com/AriOkkonen/status/1919370066346307656/photo/1
The last month in Vostok, Antarctica. Source: https://ogimet.com/cgi-bin/gsynres?ind=89606&ano=2025&mes=5&day=6&hora=20&min=0&ndays=30
Marek Sadowski 
1 thought on “Weather report for 6. May 2025: The British Islands and Continental Europe with frosts up to -5°C (The UK, -4,7°C, Belarus -4,5°C, Poland/Lithuania -3,2°C, Latvia -2,5°C, Germany -1,2°C, Czechia -0,7°C, Ireland -0,6°C, Spain 0,0°C) and very cold Tmax only +5/+10°C including lowlands, Severe storms hit Croatia, Slovenia, Bosnia, Romania and Italy as well as Barcelona/Girona region, Spain /Warmth, cold and severe storms in the US / Tiksi in Siberia -27,0°C in May and Zabaikalski region 87% engulfed by smoke, NE China, Korea and Japan with frosts, S/E China and SE Asia with heatwaves and storms, India and Pakistan, the Middle East and Central Asia heatwaves / Heatwaves in Bolivia, floods in Colombia and Brazil / +37,2°C in South Africa, +43,4°C in Senegal/Mali / The hottest May night in Tasmania ever / GW hole trend in N Atlantic”