Goa experienced one of its wettest Octobers on record, with the India Meteorological Department (IMD) reporting 374.6mm of rain during October 2025. This makes it the fifth highest October rainfall total in the state in nearly 100 years of data.
The wettest October on record for Goa remains 2019, when 546.8mm of rain was recorded, followed by 2006 (423.8mm), 1955 (413.2mm), and 1985 (394.3mm). The latest figure places 2025 in fifth position, highlighting the unusual intensity of this year’s late monsoon surge.
Meteorologist and retired NIO chief scientist M. R. Ramesh Kumar explained that about 60% of the month’s rain fell during the last week of October, driven by a depression system over the southeastern Arabian Sea that caused widespread precipitation across Goa.
Rainfall, however, was uneven across the state. IMD data showed Pernem and Mormugao received the highest totals at 498mm each, while Valpoi recorded the lowest at 209mm till the morning of October 31.
Kumar described the pattern as “lopsided,” noting that most rain was concentrated in the second half of the month. “There was no rainfall on October 12 and 13, and only trace amounts were recorded on the 8th, 14th, and 18th,” he said.
The other years that make up the top 10 rainiest Octobers in Goa include 2009 (351.8mm), 1931 (344mm), 1928 (332mm), 2010 (325.5mm), and 2024 (300mm).
The data underscores how unpredictable the post-monsoon period can be — with global weather systems and sea surface conditions increasingly influencing local rainfall extremes.
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