SWM 2025 END OF SEASON STATISTICS IN CHARTS!

Salient Features of SWM 2025:

# Total Average Area Weighted Rainfall for Goa during June + July + Aug + Sept 2025 was 3134 mm (123.4"), just 4% over normal rainfall of 3008 mm. For comparison, last year 2024, Goa had received 4401 mm (173") seasonal rainfall, 46% in excess! (CHART 1)

# But this year IMD declared one of the earliest Monsoon onset in Goa on 25th May and during the pre-monsoon season ending 31st May, Goa received unprecedented 857 mm (33.74"), most of it in May. Thus total of Pre-Monsoon and SWM Rainfall would be 3134 + 857 = 3991 mm , nearly 4000 mm!

# MONTHLY DISTRIBUTION:

July with 1189 mm accounted for 38% of the seasonal rain. August was 897 mm (29%), June was 792 mm (25%) while September with 256 mm accounted for just 8% of the seasonal rains.(CHART 3)

In fact, September rainfall of 256 mm was the lowest since 2018 when only 94 mm was recorded in September. (CHART 4)

Month-wise departures from normal rainfall show that June was deficient by -13% & September by -20%, while July was excess by +14% and August by a whopping +23%! (CHART 2)

# From June 1 to September 30, only 15 days were days with 2.5 mm or less rains per day. Of these 4 days were in June, only 2 in August, 9 in September and NIL in July! July 3 with 161 mm and August 28 with 160 mm were the wettest days! (CHART 6)

# Interior areas of Goa, nearer the Ghats received more rainfall than other areas. Dharbandora 162 mm, Sanguem 161 mm, Valpoi 159 mm and Quepem 151 mm were the wettest places. Coastal areas of Mormugao 84 mm, Dabolim 85 mm & Panaji 100 mm received the lowest rainfall. (CHART 5)

Check the Charts for details!

** Rainfall Data and Daily Rainfall Chart from IMD Goa Center. Data Compilation and other charts by Weather Vagaries Goa **