Overview

• Temperatures on May 1 are reaching or exceeding daily records in northern and interior regions, with Paris nearing 30 °C, 13 °C above seasonal norms.
• The heat wave, driven by a persistent high-pressure anticyclone, has created a 'cocotte-minute' effect, trapping and intensifying warm air.
• Mediterranean coastal areas remain cooler due to sea breezes, contrasting with the summer-like conditions further inland.
• Meteorologists forecast a sharp 10 °C temperature drop by Sunday as a cold front and storms move in, ending the heat wave.
• This early heat episode reflects broader climate trends, with April becoming France's fastest-warming month due to global warming.