The Indian Meteorological Department (IMD) on Tuesday released its Monsoon Outlook for June to September 2025 and has forecasted 'Above Normal' for Maharashtra. The regions include: Konkan, which consists Mumbai and it's metropolitan regions, Madhya Maharashtra, Marathwada and Vidharbha.
In its report, the IMD highlighted that 'Quantitatively, the southwest monsoon seasonal rainfall over the country as a whole is likely to be 106% of the Long Period Average (LPA) with a model error of ±4%, indicating that above normal rainfall is most likely over the country as a whole during the monsoon season (June to September), 2025.'
As per the report, for Konkan region (Mumbai, Thane, Palghar, Raigad, Ratnagiri and Sindhudurg) for which normally range of monsoon rainfall is 2871 mm, is expected to witness Above Normal with 107% of the LPA.
Meanwhile, after the earliest monsoon onset in the last 75 years, Mumbai continue to be under Yellow Alert for rainfall and thunderstorms. As per local weather report, for the next 48 hours, the Mumbai city and suburbs will have generally cloudy skies, with high chances of rainfall with thunderstorms.
As of Tuesday, May 27, the Colaba observatory has recorded 456 mm rainfall and Santacruz recorded 342 mm rainfall. While, in the last 24 hours, Colaba observatory 162 mm rainfall and Santacruz recorded 144 mm.
Mumbai surpasses 1918’s highest May rainfall
On Monday itself, Mumbai broke the 107 years record of May rainfall. The highest May rainfall was recorded earlier in 1918 at 279 mm.
Meanwhile, with the heavy downpour, the weather in Mumbai has become cooler. On Tuesday, Colaba observatory recorded a maximum temperature at 26.4 °C, which was as much as 8 degrees below normal and a minimum temperature at 23.6°C, which was 4.6°C below normal. While Santacruz observatory recorded maximum temperature at 28.7°C, which was 5.3°C below normal and minimum temperature at 22.5°C, which was 5.6°C below normal.
The temperature range and weather conditions in Mumbai will remain similar for the next 48 hours, IMD officials said.
