The India Meteorological Department (IMD) has forecast light to moderate rain across Delhi and the National Capital Region (NCR) on Monday and Tuesday, with a noticeable drop in temperatures as a fresh western disturbance moves across northwest India.
Both days have been placed under a yellow alert, cautioning residents to expect intermittent showers and a cool, breezy spell.
According to the IMD, the maximum temperature that touched 34.1°C on Sunday is expected to plunge to around 28°C on Monday, marking one of the sharpest dips this season.
The minimum temperature, 24.2°C, about two degrees above normal, is also likely to fall to nearly 20°C by Wednesday, as cooler northwesterly winds sweep into the region.
October off to an unusually wet start
Delhi’s October rain count has already far exceeded seasonal norms. Data from Safdarjung — the city’s base weather station — shows 51.8 mm of rainfall in just the first five days of the month, more than three times the October average of 15.1 mm. Last year, the city had recorded no measurable rain during the same period.
Meteorologists note that the ongoing spell could take the total close to 100 mm, potentially making this one of Delhi’s wettest Octobers in recent memory.
This comes on the back of a year that has seen above-normal rainfall almost every month: May (186.4 mm) was the wettest on record, June (107.1 mm) saw 45% excess rain, while July (259.3 mm) and August (400.1 mm) both surpassed long-term averages. Even September, at 136.1 mm, finished slightly above normal.
Rain may bring cleaner air, but higher humidity
Besides cooling the city, the upcoming rain is expected to temporarily improve air quality, washing out pollutants that typically build up in early October.
On Saturday, Delhi’s PM2.5 concentration averaged 65 µg/m³, marginally above the national safe limit of 60 µg/m³, but far lower than the 200+ levels often seen by late October in previous years.
Humidity, which fluctuated between 63% and 100% over the weekend, is expected to remain high during the rain spell before dropping later in the week. Residents are advised to carry umbrellas and light jackets, with early morning chill likely by midweek as Delhi transitions gradually toward winter.
Both days have been placed under a yellow alert, cautioning residents to expect intermittent showers and a cool, breezy spell.
According to the IMD, the maximum temperature that touched 34.1°C on Sunday is expected to plunge to around 28°C on Monday, marking one of the sharpest dips this season.
The minimum temperature, 24.2°C, about two degrees above normal, is also likely to fall to nearly 20°C by Wednesday, as cooler northwesterly winds sweep into the region.
October off to an unusually wet start
Delhi’s October rain count has already far exceeded seasonal norms. Data from Safdarjung — the city’s base weather station — shows 51.8 mm of rainfall in just the first five days of the month, more than three times the October average of 15.1 mm. Last year, the city had recorded no measurable rain during the same period.
Meteorologists note that the ongoing spell could take the total close to 100 mm, potentially making this one of Delhi’s wettest Octobers in recent memory.
This comes on the back of a year that has seen above-normal rainfall almost every month: May (186.4 mm) was the wettest on record, June (107.1 mm) saw 45% excess rain, while July (259.3 mm) and August (400.1 mm) both surpassed long-term averages. Even September, at 136.1 mm, finished slightly above normal.
Rain may bring cleaner air, but higher humidity
Besides cooling the city, the upcoming rain is expected to temporarily improve air quality, washing out pollutants that typically build up in early October.
On Saturday, Delhi’s PM2.5 concentration averaged 65 µg/m³, marginally above the national safe limit of 60 µg/m³, but far lower than the 200+ levels often seen by late October in previous years.
Humidity, which fluctuated between 63% and 100% over the weekend, is expected to remain high during the rain spell before dropping later in the week. Residents are advised to carry umbrellas and light jackets, with early morning chill likely by midweek as Delhi transitions gradually toward winter.
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