Tamil Nadu weather outlook

Notes

• Regional Meteorological Centre (RMC) outlook for August indicates normal or above-normal rainfall for most parts of Tamil Nadu, excluding the Western Ghats.
• Coastal Tamil Nadu is expected to receive normal or above-average rainfall, while interior districts are likely to record normal rainfall.
• Districts along the Western Ghats are projected to face a rainfall deficit.
• Southwest monsoon activity is expected to intensify, particularly during the first half of August.
• Maximum temperatures across Tamil Nadu and Puducherry are predicted to be normal or slightly above normal, with warm and humid nights expected.
• Frequent rain spells may help keep temperatures closer to normal in specific regions.
• As of August, Tamil Nadu has recorded a seasonal rainfall of 10 cm since June 1, representing an 18% deficit compared to the normal average.

Part of a longer story

This is day 20 of 24 in El Nino impact on India's monsoon, which has been running since 21 June 2026. Reading it whole is usually worth more than reading today alone — the exam asks how something developed.

• IMD rainfall forecast Before
• Karnataka monsoon rainfall deficit After
• The whole story 24 entries