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Informist, Monday, Dec. 1, 2025

 

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--IMD: Nov rainfall in south peninsula 8.8?ove normal at 263.5 mm 
--CONTEXT: IMD details outlook for temperature, rains in December 
--IMD: Nov rainfall in east, northeast 7.4?ove normal at 156.6 mm 
--IMD: Nov rainfall in central India 43.7?ove normal at 102.1 mm 
--IMD: Nov rainfall in northwest India 75?ove normal at 59 mm 
--IMD: India Nov rainfall 23?ove normal at 129.2 mm 
--IMD: Nov temperatures remained normal to below normal across India 
--IMD: See weak La Nina conditions persisting till February 
--IMD:See normal, below normal maximum temperature over most of India Dec-Feb 
--IMD:See normal, below normal minimum temperature over most of India Dec-Feb 
--IMD: See above normal cold wave days in parts of India Dec-Feb 
--IMD: See normal to below normal minimum temperatures over most of India Dec 
--IMD: See above normal maximum temperatures over most of India Dec 
--IMD: See above normal cold wave days in most parts of India in Dec 
--IMD: India Dec rains seen normal at 79-121% of long period average 
--IMD:South peninsula Dec rains seen normal at 69-131% of long period average

NEW DELHI/MUMBAI – Minimum temperatures in most parts of the country in December are likely to be normal to below normal while maximum temperatures are expected to be above normal, the India Meteorological Department said at a press conference Monday. Presenting its temperature outlook for December and the winter season spanning December to February, the weather bureau also forecast above normal cold wave days in most parts of the country during the month.

 

The department said rainfall over the country as a whole in December is likely to remain in the normal range of 79–121% of the long period average, while rainfall over the south peninsular region is also expected to be normal at 69–131% of the long period average. The outlook follows an active November, when all-India rainfall was 23?ove normal at 129.2 mm.

 

In November, northwest India recorded the highest surplus at 75?ove normal with 59 mm of rainfall, followed by central India at 43.7?ove normal with 102.1 mm, the south peninsular region at 8.8?ove normal with 263.5 mm, and east and northeast India at 7.4?ove normal with 156.6 mm of rain, the agency said.

 

According to Director General of Meteorology Mrutyunjay Mohapatra, western disturbances are likely to remain weak in December, which could limit rainfall and snowfall activity over the western Himalayan region. The core belt expected to face colder winter conditions includes parts of Madhya Pradesh, Rajasthan, Uttar Pradesh, Punjab, Haryana, and pockets of Maharashtra, where both maximum and minimum temperatures are likely to stay below normal. Some of these regions may also see 2-4 additional cold wave days in December compared with the normal, he said.

 

November temperatures across India remained largely normal to below normal, the weather bureau said. On an all-India basis, both maximum and minimum temperatures stayed marginally below the long-term averages.

 

More cold wave days than normal are seen over most parts of India during December, with a higher likelihood over parts of northwest, central, and northeast India, the weather bureau said. For the broader winter season from December to February, it said maximum temperatures are likely to remain normal to below normal over most parts of the country. However, parts of northwest India, northeast India, and the Himalayan foothills may experience above-normal maximum temperatures, it said.

 

Minimum temperatures during the season are also expected to remain normal to below normal over most parts of central India and adjoining peninsular and northwest India. The other regions may see above-normal minimum temperatures, the agency said.

 

Cold wave activity in the Dec–Feb period is expected to be above normal over parts of central India and some regions of northwest and northeast India, it said.

 

The department said weak La Nina conditions are prevailing over the equatorial Pacific Ocean and are likely to persist until February. "Most global climate models indicate that La Nina conditions could gradually weaken thereafter and transition towards neutral conditions late in the winter season," it said. The Indian Ocean Dipole is currently negative, with model guidance pointing to the neutral phase continuing over the coming months, the bureau said. 

 

As per Mohapatra, increased cold wave days are being driven by a combination of weak La Nina conditions, limited western disturbances, and modulation from the polar vortex, though the Himalayas shield India from a direct polar impact.  End
 

Reported by Pallavi Singhal and Shreya Shetty

Edited by Rajeev Pai

 

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