In the just concluded South West Monsoon 2026, India received 759.4 mm (937.2 mm in SW Monsoon 2025, 934.8 mm in SW Monsoon 2024, 820 mm in SW Monsoon 2023, 925 mm in SW Monsoon 2022[i]) rainfall, about 87.4% (107.9% in 2025, 107.6% in 2024, 94.45 % in 2023, 106.5% in 2022) of the Normal SW Monsoon rainfall of 868.6 mm as per India Meteorological Department (IMD). The 2026 SW Monsoon rainfall is 4th lowest since 2001 and first deficient monsoon since 2015. It is the 13th lowest rainfall since 1901. This rainfall is categorised as deficient rainfall since deficit is over 10%.
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Post Monsoon 2025: District wise Rainfall in India
According to India Meteorological Department[i] (IMD), during the Post Monsoon Rainfall for 2025, that included rainfall during the three Oct-Dec 2025 months, India received 134.2 mm rainfall, 11% above normal (117.4 mm, 3% below normal in Post Monsoon 2024, 110.7 mm, 9% below normal in Post Monsoon 2023[ii], 144.1 mm, 19% above normal in Post Monsoon 2022[iii] and 177.7 mm rainfall, 43.54% above normal in Post Monsoon 2021[iv]) rainfall of 121 mm. In the same period in 2020, India received 124.6 mm rainfall, 0.64% above the normal rainfall. In Post Monsoon season of 2019, India received 160 mm rainfall[v] in this season, 29% above normal, when 2019 was not a La Nina year.
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