Western Europe saw its hottest June on record as two massive heatwaves swept across the continent, the EU's Copernicus Climate Change Service said on Tuesday. Average temperatures reached 20., June 2025 sets record for hottest ever in Western Europe According to the EU climate monitor Copernicus, 12 countries and some 790 million people around the world experienced their hottest June , Millions of people were exposed to high heat stress across the south and west of Europe. Western Europe sweltered through its hottest June on record last month, as extreme temperatures, Western Europe sweltered through its hottest June on record last month, as “extreme†temperatures blasted the region in punishing back-to-back heatwaves, the EU climate monitor Copernicus said Wednesday., Western Europe sweltered through its hottest June on record last month, the EU climate monitor Copernicus confirmed, as "extreme" temperatures blasted the region in punishing back-to-back heatwaves., .