IMD data show India's south-west monsoon rainfall was 15% below normal in 2026

Key facts

• India received 76.86 cm of rainfall between June 4 and October 15 during the south-west monsoon, which is 15 per cent below its long-period average of 90.63 cm, according to the India Meteorological Department (IMD).
• The south-west monsoon set in over Keralam on June 4 and withdrew from the entire country on October 15.
• Ladakh recorded the highest rainfall at 112 per cent above normal, while Meghalaya had the lowest at 61 per cent below normal.
• In quantitative terms, Goa received the highest rainfall of 196.68 cm among states, while Punjab recorded the lowest at 28 cm.
• The east and north-east region was 27 per cent deficient, with Arunachal Pradesh (-45 per cent), Assam (-29 per cent), Bihar (-32 per cent) and Meghalaya (-61 per cent) reporting less rainfall.
• In north-west India, Punjab (-37 per cent), Haryana (-21 per cent) and Rajasthan (-24 per cent) were deficient, while Uttar Pradesh had normal precipitation at +6 per cent.
• Maharashtra reported a 23 per cent deficit and Goa 36 per cent, while Odisha received 23 per cent surplus rainfall and Chhattisgarh a 2 per cent shortfall.
• Except the Andaman and Nicobar Islands with 1 per cent surplus, all meteorological sub-divisions in the south peninsula were deficient by 23 to 46 per cent, and the north-east monsoon has now set in.