KOCHI: Almost half of India witnessed excessive rainfall throughout southwest monsoon of 2025. Based on a report by Local weather Traits launched on Friday, 45% of India’s landmass skilled excessive rainfall. rainfall throughout this season.Within the final 10 years, from 2016 to 2025, 5 years registered above-normal rainfall, two years recorded regular rainfall and three years witnessed below-normal rainfall within the nation. It said that southwest monsoon of 2025 just lately concluded with ‘above-normal’ rainfall, amounting to 108% of the long-period common (LPA). That is the second consecutive 12 months in final decade to document above-normal rains.West Coast has the second greatest contribution to the whole monsoon rainfall. Whereas Konkan and Goa made a major contribution, high performer Kerala reported regular rainfall however, on the adverse aspect, with a deficit of -13%. State recorded 1,752.8mm of rainfall in the course of the 4 months in opposition to the traditional of two,018.6mm.Wayanad, which was affected by landslides final 12 months, reported the best rainfall deficiency of -36%, adopted by Idukki at -35% and Malappuram at -27%.Elevated sea floor temperature in Arabian Sea and Bay of Bengal led to higher moisture loading or larger evaporation, making rainfall occasions excessive. “Monsoon seasons should not the identical anymore. The final 10 years recorded regular to above-normal rainfall, with the latter being extra distinguished. Monsoon amplification and intensification are straight linked to world warming. International warming grew to become the most important driver of monsoon now. The affect of El Niño and La Niña has been reducing within the world warming period. The variety of wet days has decreased, however the quantum of rainfall has elevated. The each day quantum of rainfall underwent a major change,” mentioned KJ Ramesh, former director basic, imd,“Behavioural patterns of monsoon techniques have modified drastically, altering rainfall patterns as nicely. We now see low-pressure areas spending extra days than their common interval over the land, sustaining their energy. That is primarily due to elevated and steady moisture feed over the land. Not solely have excessive rainfall occasions elevated, however there has additionally been an increase in cloudburst-like circumstances. This was not the case earlier,” mentioned Mahesh Palawat, vice-president, meteorology and local weather change, Skymet Climate.