IMD Forecast
Intensity of rainfall to reduce in Aug before picking up in Sept, says IMD
This story was originally published at 18:33 IST on 31 July 2025
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--IMD: India Jul rainfall 4.8?ove normal at 294.1 millimetres
--IMD: Jul rainfall in east, northeast 27?low normal at 312.3 millimetres
--IMD: Jul rainfall in south peninsula 2?low normal at 200.4 millimetres
--IMD: Jul rainfall in central India 22?ove normal at 391.8 millimetres
--IMD: Jul rainfall in northwest India 13?ove normal at 237.4 millimetres
--IMD: Jun 1-Jul 31 rainfall 6?ove normal
--IMD: See neutral El Nino-Southern Oscillation conditions till monsoon end
--IMD: Neutral El Nino conditions prevailing at present
--IMD: Neutral Indian Ocean Dipole prevailing at present
--IMD: India Aug-Sept rain seen above normal at 106% of long period average
--CONTEXT: IMD details outlook for temperature, rains in Aug, Aug-Sept
--IMD: India Aug rainfall seen normal at 94-106% of long period average
MUMBAI/NEW DELHI – The intensity of rainfall is likely to decrease across the country in August but is expected to pick up pace again in September, the India Meteorological Department said in a press conference Thursday. The bureau forecast normal rainfall over the country in August and above-normal rainfall in September.
The weather bureau expects below-normal rainfall in the first two weeks of August and above-normal rains in the next two weeks, Mrutyunjay Mohapatra, director general meteorology at IMD, said. Above-normal rainfall is expected after Aug. 15, Mohapatra added. Rainfall over the country is likely to be within the normal range of 94%-106% of the long-period average in August. Normal to above normal rainfall is very likely over many parts of the country except parts of central India, western parts of peninsular India, northeast India, and some parts of eastern and northwest India where it is likely to be below normal.
In August and September, above normal rainfall is expected at 106% of the long-period average. The bureau said that currently neutral El Nino-Southern Oscillation conditions are prevailing over the equatorial pacific region and similar conditions are expected for the remaining part of the monsoon. The El Nino-Southern Oscillation refers to the fluctuation between El Nino and La Nina conditions in the Pacific Ocean. El Nino is linked to drier, hotter weather in India, while La Nina results in more favourable rainfall.
Neutral Indian Ocean Dipole conditions are also being observed over the Indian Ocean at present, the weather department said. The Indian Ocean Dipole is the difference in surface temperatures between the eastern and western tropical Indian Ocean. A negative Indian Ocean Dipole leads to less rainfall in India and a positive index leads to more rainfall.
The monthly average maximum temperatures are expected to remain normal to below-normal in August in many regions except northeast India and some parts of northwest, eastern, and southern India, where temperatures are expected to be above normal during the month. The monthly average minimum temperatures are expected to be normal to above-normal over most parts of the country in August. However, below normal minimum temperatures are likely over some parts of northwest India, the bureau said.
In July, the country received 4.8?ove normal rainfall at 294.1 millimetres, mainly because of six low pressure systems in the country during the month. Out of these six low pressure systems, four turned to depression, with three over land and one over north Bay of Bengal. In central India, rainfall was 22?ove normal at 391.8 millimetres in July and in northwest India, it was 13% higher at 237.4 millimetres, according to the bureau. Southern India received 2?low-normal rains in July at 200.4 millimetres and eastern and northeast India received nearly 27?low normal rainfall at 312.3 millimetres. Rainfall over eastern and northeast India in July was the seventh lowest since 1901 and fourth lowest since 2001, the bureau said. Since Jun. 1, the country has received 6.4?ove normal rainfall at 474.3 millimetres as of Jul. 31.
Maximum temperature in most parts of the country was normal to below-normal in July but above-normal in some parts of northeast India. Northeast India was warmer than most parts of the country and faced the warmest July this time. Normal to below-normal minimum temperature was recorded over most parts of the country, except some parts of the peninsula and adjoining central India, and most parts of northeast India. This was one of the warmest July for northeast India in recent years, Mohapatra said. End
Reported by Ashutosh Pati and Pallavi Singhal
Edited by Nishant Maher
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