Weather-wise, 2024 stands out as a significant year in Moselle, characterized by persistent mildness, abundant rain and a lack of sunshine.
The average temperature in Moselle in 2024 was 12.1°C, or 1.1°C above climatic normals. This makes 2024 the third hottest year on record, behind 2023 and 2022. From May 2023 to April 2024, over a period of 13 consecutive months, temperatures remained above normal, with a particularly hot month of February. mild, showing a difference of +4.9°C. However, the months of June and July were slightly below normal, while the end of the year was closer to usual averages.
2024 was also distinguished by exceptional rainfall, marked by episodes of flooding, particularly in May. The cumulative precipitation was unprecedented in Moselle, with an excess of 29% in Metz. This is the fifth rainiest year since 1950 and the wettest since 2000. From October 2023 to July 2024, precipitation greatly exceeded normal, leaving the soil always wet and ruling out any drought. Moments of respite nevertheless allowed the harvest and grape harvest to proceed smoothly.
The sun was rare in 2024. In Metz, sunshine shows a deficit of 10%, or 184 hours of sunshine less than normal, with an annual total of 1,648 hours. Only the months of January and August were sunnier than average, while all other months showed deficits varying from 5% to 50%. This makes 2024 the least sunny year since 2016! Unlike recent years, no heatwaves were observed in 2024. Only a few hot days were quickly interrupted by violent storms, notably on July 15 and August 2. These episodes caused mudslides and floods, particularly in Corny-sur-Moselle.
