The essentials
Intense Mediterranean rain episodes rose 50% in frequency and 11% in intensity from 1961 to 2025, according to one study.
A study reports that intense Mediterranean rain episodes increased 50% in frequency between 1961 and 2025. Over the same period, the intensity of Mediterranean rainfall rose 11%, and the study finds that Mediterranean rain episodes are more intense than they were in the 1960s.
For France, climate projections estimate a 15% average increase in intense rainfall across the country. The available material does not specify the emissions scenarios, time horizon, or baseline used for this estimate. Likewise, the methods behind the 50% and 11% figures, and the exact geographic area they cover, are not described.
These long-term figures provide background for the recent storms, which recorded totals such as 538 mm in six hours at Solenzara. The available information does not establish how much of any individual event's rainfall can be attributed to these trends. Each of the trend figures is so far reported by a single source.
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Measured rise since 1961 places recent storms in longer context
Viewed as a long-term record, the reported increases show a rise in both how often intense Mediterranean rain episodes occur and how strong they are. Recent storms with very high short-term totals fall within this longer pattern. The figures describe the regional trend, and the material does not say how they apply to any single storm.
Forward estimates point to further gains in intense rainfall
Looking ahead, climate projections for France estimate an average 15% increase in intense rainfall. This forward-looking estimate complements the historical measurements, which show rising frequency and intensity. The projection's assumptions and time frame are not described in the available material, so its precision remains uncertain.