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Delhi Enjoys Coolest October in 3 Years Amid Heavy Rainfall
31 Oct
Summary
- Delhi records lowest October temperatures in 3 years
- Monthly rainfall 6 times higher than average
- Air quality deteriorates despite cooler temperatures
As of October 31, 2025, Delhi has recorded its coolest October in three years, with ample rainfall and overcast skies keeping the day temperature in check. The average monthly maximum temperature stood at 31.5°C, 1.5°C below the long period average (LPA), making it Delhi's lowest since 2022.
This has largely been due to Delhi recording 89.3mm of monthly rainfall, nearly six times the LPA of 15.1mm. This surplus of 491% has also made it Delhi's wettest October in three years, with a total of 128.6mm of rainfall. In contrast, last year saw zero rainfall, and 5.4mm was recorded in 2023.
Despite the cooler temperatures, Delhi's air quality has deteriorated, with the average air quality index (AQI) for the month standing at 224, in the 'poor' category. This was marginally better than last year's 234 but worse than the 218 recorded in 2023 and 210 in 2022. The AQI on Thursday touched 373, the highest for any October in three years.
