The beginning of the southwest monsoon above the Indian mainland begins with the arrival to Kerala and signals a shift from the hot season of drought to the rainy season. It usually arrives around 1 June with an edge of ± 7 days and brings much needed relief from intense summer heat when it moves north.
The beginning of the monsoon in Kerala
According to the official release of the Indian meteorological department, the southwestern monsoon is expected to arrive in Keraly 27 May this year, slightly earlier than a typical date of starting 1 June.
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If the monsoon arrives as a forecast, according to IMD data, the first entry across the Indian mainland would be since 2009, when it arrived on May 23.
Trends of Monsoon Arrival over the past five years
Over the past five years, the monsoon arrived twice – 2022 and 2024. In both years, the monsoon of 29 and 30 May, in this order, according to IMD data.
Verification prognosis for the last 5 years (2020-2024). (Source: IMD)
In 2024, the southwestern monsoon brought precipitation to a four -year maximum, with about 108% of the long -term diameter (LPA), a total of 934.8 mm, compared to LPA 868.6 mm. IMD forecast forecasts over normal precipitation for the season and predicted 106% LPA.
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For 2025, IMD predicted that southwestern monsoon precipitation (from June to September) is likely to be above normal, exceeding 104% of the average period for Earth.
Southwest Monsoon Further Advanced: IMD
Meanwhile, the southwestern monsoon also proceeded in some other parts of the Sea, Maldives and Chamber, in Bengal’s South Bay in Bengal, the remaining parts of the Andaman Islands and some parts of the Eastcentral Gulf of Bengal.
According to IMD, the conditions are favorable for the further progress of the southwestern monsoon over some other parts of the South Arab Sea, Maldives and Comorin Area, South Bay of Bengal, Central Bay of Bengal and some parts of the Bay of the Gulf of the Northeast Gulf over the next three four days.
Southwest monsoon usually begins to retreat from northwest India around 17 September and will be completely withdrawn to 15 October.
Also read: Southwest monsoon plunges into Andaman and Nicobar, two days in advance
In its April forecast IMD predicted the above normal cumulative precipitation for the monsoon season 2025 and refused concerns about the possible impact of El Niño, which is generally associated with reduced collision on the Indian subcontinent.
Monsoon is vital to the Indian agricultural sector that maintains a living of approximately 42% of the population and contributes around 18% to the GDP of the nation.
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In addition, Monsoon plays a decisive role in replenishing tanks that are necessary for the production of drinking water and energy throughout the country.
(With the entry from agencies)
(Tagstotranslate) southwestern monsoon
