Rainfall

High Rainfall days in India’s districts in SW Monsoon 2025

November 3, 2025 SANDRPLeave a comment

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for India’s South West Monsoon 2025 (June-Sept rainfall was 937.2 mm, 8% above normal) shows that there were 2224 (2555 in 2024 SW Monsoon) instances when a district rainfall of a day was above 50 mm. Out of 738 districts of India, 510 districts or, about 69% of the districts experienced such high rainfall days during SW monsoon 2025.

Such high rainfall instances included 1920 instances when rainfall was 50-100 mm, 247 instances when it was 100-150 mm, 38 times it was 150-200 mm and 19 times above 200 mm.

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High Rainfall days in India’s districts in Sept 2025

October 8, 2025 SANDRPLeave a comment

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of September 2025 shows that there were 417 (546 in Sept 2024, 406 in Sept 2023 [i], 417 in Sept 2022 [ii] and 489 in Sept 2021 [iii]) instances when district rainfall of a day was above 50 mm. Such high rainfall instances included 376 (438, 330, 365 and 374 in Sept 2024, Sept 2023, Sept 2022 and 2021 respectively) instances in Sept 2025 when rainfall was 50-100 mm, 34 (73, 64, 47 and 84 in Sept 2024, Sept 2023, Sept 2022 and 2021 respectively) instances in Sept 2025 when it was 100-150 mm, 4 (30, 10, 3 and 20 in Sept 2024, Sept 2023, Sept 2022 and 2021 respectively) times in Sept 2025 when it was 150-200 mm and 3 (5, 2, 2 and 11 in Sept 2024, Sept 2023, Sept 2022 and 2021 respectively) instances in Sept 2025 when rainfall in a day was above 200 mm.

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Rainfall

SW Monsoon 2025: District wise rainfall in India

October 1, 2025October 6, 2025 SANDRPLeave a comment

In the just concluded South West Monsoon 2025, India received 937.2 mm (934.8 mm in SW Monsoon 2024, 820 mm in SW Monsoon 2023, 925 mm in SW Monsoon 2022 [i]) rainfall, about 107.9% (107.6% in 2024, 94.45 % in 2023, 106.5% in 2022) of the Normal SW Monsoon rainfall of 868.6 mm as per India Meteorological Department (IMD). This rainfall is categorised as normal rainfall. The rainfall in SW monsoon 2025 is 5^th highest since 2001 and 38^th highest since 1901.

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Aug 2025: High Rainfall days in India’s districts

September 13, 2025September 13, 2025 SANDRPLeave a comment

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of Aug 2025 shows that there were 664 (717 in Aug 2024; 500 in Aug 2023; 667 in Aug 2022[i] and 431 in Aug 2021) instances when rainfall of a day in a district was above 50 mm. Such high rainfall instances included 563 (572/ 424/ 553/ 371 in Aug 2024, Aug 2023, Aug 2022 and Aug 2021 respectively) instances when rainfall was 50-100 mm; 79 (113/ 67/ 98/ 48 in Aug 2024, Aug 2023, Aug 2022 and Aug 2021 respectively) instances when it was 100-150 mm; 13 (19/ 5/ 13/ 11 in Aug 2024, Aug 2023, Aug 2022 and Aug 2021 respectively) times it was 150-200 mm; and 9 (13/ 4/ 3/ 1 in Aug 2024, Aug 2023, Aug 2022 and Aug 2021 respectively) instance when a district day rainfall was above 200 mm.

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June Aug 2025: District wise rainfall in India’s SW Monsoon

September 12, 2025 SANDRPLeave a comment

In Aug 2025, India received just 268.8 mm (295.5 mm or 15.8% above normal in Aug 2024 [i], 162.7 mm or 36.2% below normal in Aug 2023 [ii], 263.8 mm in Aug 2022, 3.5% above the normal [iii]) or 5.45% above normal rainfall of 254.9 mm as per India Meteorological department (IMD). In Aug 2021, the rainfall was 195.9 mm [iv], about 24.13% below normal and in Aug 2020, the rainfall was 327 mm [v], or about 26.6% above normal.

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High Rainfall days in India’s districts in July 2025

August 6, 2025 SANDRPLeave a comment

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for July 2025 shows that there were 718 (down from 914 in July 2024, 855 in July 2023, 809 in July 2022 and almost same as 717 in July 2021) instances when district rainfall of a day was above 50 mm. Such high rainfall instances included 635 (down from 730 in July 2024, 660 in July 2023, 663 in July 2022, up from 595 in July 2021) instances when rainfall was 50-100 mm, 75 (143 in July 2024, 149 in July 2023, 107 in July 2022, 98 in July 2021) instances when it was 100-150 mm, 7 (27 in July 2024, 34 in July 2023, 28 in July 2022, 17 in July 2021) times when it was 150-200 mm and just 1 (14 in July 2024, 12 in July 2023, 16 in July 2022 and 7 in July 2021) time when rainfall in July 2025 when rainfall was above 200 mm.

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June July 2025: District wise rainfall in in India’s SW Monsoon

August 1, 2025 SANDRPLeave a comment

In July 2025, India received 294.3 mm (306.6 mm in July 2024 [i], 318.4 in July 2023 [ii] and 327.7 mm in July 2022 [iii]) rainfall, 4.9% above (9.3 % above in July 2024, 13.5% above normal in July 2023 and 16.8% above normal in July 2022) the normal July rainfall of 280.5 mm as per India Meteorological department. So this is the fourth consecutive year when rainfall in July is above normal, the quantum has gone down with each passing year during these last four years.

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June 2025: High Rainfall district days in India’s SW Monsoon

July 5, 2025July 5, 2025 SANDRPLeave a comment

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for June 2025, the first month of India’s South West Monsoon 2025 shows that there were 415 instances (384 in June 2024 [i], 451 in June 2023 [ii], 462 in June 2022 [iii] and 442 in June 2021) when district rainfall of a day was above 50 mm. The rainfall of India in June 2024 was 147.2 mm [iv], the rainfall in June 2023 was 148.6 mm, the rainfall of India in June 2022 was 152.3 mm [v]. The data and analysis are based on IMD’s daily district wise rainfall bulletins for the 24 hours ending at 0830 am each day.

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June 2025: District wise rainfall in India’s SW Monsoon

July 1, 2025 SANDRP1 Comment

In the just concluded month June 2025, the first month of India’s South West 2025 monsoon, India received 180 mm rainfall, 8.89% above the normal June rainfall of 165.3 mm as per India Meteorological department. In June 2024 the rainfall was 147.2 mm, 11% below normal, June 2023 rainfall was 148.6 mm (10% below normal), in June 2022 the rainfall was 152.3 mm (8% below normal), in June 2021, the rainfall was 182.9 mm (about 11% above normal) and in June 2020, the rainfall was 196.9 mm (about 18% above normal) and in June 2019 it was 33% below normal. So in last seven years from 2019 to 2025, India had below normal rainfall in 4 years in June, and above normal in three years (2020, 2021, 2025). Nine times since 2008 June rainfall was below normal.

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Pre-Monsoon 2025: District wise rainfall in India

June 3, 2025June 4, 2025 SANDRP3 Comments

In the just concluded three month pre-monsoon season (March 1 to May 31, 2025) India received 185.8 mm (125.9 mm in Pre-Monsoon 2024, 146.6 mm in Pre Monsoon 2023 [i]) rainfall, 42% above (4 below normal in Pre-Monsoon 2024 and 12% above in Pre Monsoon 2023) the normal rainfall of 130.6 mm as per the India Meteorological Department (IMD). In 2020[ii] , 2021[iii] and 2022[iv] India received 158.5 mm, 155.2 mm and 130.6 or 20% above normal, 18% above normal and 1% below rainfall respectively. So, India has received the highest pre monsoon season rainfall in 2025 compared to those in previous five years.

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