[HIGHLIGHTS] For the first time since 1999, Paris had no days at 25°C or more on May 25.

As of May 25, 2023, Paris has still not experienced a single day where the temperature has reached 25 ° C. On average, such a temperature is reached on May 4.

On the other hand, this heat threshold should be reached this weekend of May 27, as in 1999.. This is a situation not seen since 1999.Overall, this month of May 2023 is within seasonal norms (+0.4 ° C), after a month ofMay 2022 that had been "the warmest since 1900"