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Rainfall · Tamil Nadu

Rainfall in Dindigul

853 mmof rain in an average year, 2006–2025

Dindigul gets 35% of its rain from the monsoon, June to September, and October is its wettest month. In 2025 it got 827 mm, 3% below average (normal).

Octoberwettest month, 162 mm on average
2021wettest year, 1,227 mm
2016driest year, 457 mm
7months a year with 50 mm of rain or more

Month-wise rainfall in Dindigul

Average rain in each month, 2006–2025.

050100150200JanJan: 17 mmFebFeb: 7 mmMarMar: 22 mmAprApr: 41 mmMayMay: 86 mmJunJun: 46 mmJulJul: 57 mmAugAug: 97 mmSepSep: 98 mmOctOct: 162 mmNovNov: 156 mmDecDec: 64 mm
MonthAverage rainShare of the year
January17 mm2%
February7 mm1%
March22 mm3%
April41 mm5%
May86 mm10%
June46 mm5%
July57 mm7%
August97 mm11%
September98 mm11%
October162 mm19%
November156 mm18%
December64 mm8%

Yearly rainfall in Dindigul since 2006

Lighter bars are dry years, 20% or more below average (2009, 2012, 2013, 2016), when wells and borewells are drawn hardest. The last ten years averaged 13% more rain than the ten before.

05001000150020062006: 877 mm2007: 776 mm2008: 1,047 mm20092009: 612 mm2010: 986 mm2011: 817 mm20122012: 630 mm2013: 607 mm2014: 723 mm20152015: 936 mm2016: 457 mm2017: 861 mm20182018: 731 mm2019: 828 mm2020: 1,023 mm20212021: 1,227 mm2022: 1,134 mm2023: 955 mm20242024: 1,010 mm2025: 827 mm- - average 853 mm

What Dindigul's rain is worth to a building

Every millimetre of rain on a square metre of roof is a litre of water. A 100 m² roof in Dindigul sheds about 72,505 litres in an average year, most of it in a few wet months. Sent into a recharge pit, it refills the ground instead of flooding the street.

Your building: how much can you recharge?

Water you can put back each year1,45,010 L≈ 15 water tankers of 10,000 L

1 mm of rain on 1 m² is 1 litre. The surface factor allows for water lost to splash, evaporation and first-flush.

Rainwater harvesting cost in DindigulGroundwater level in DindigulPonds and lakes in DindigulWater quality in Dindigul

Frequently asked questions

What is the average annual rainfall in Dindigul?

About 853 mm a year, averaged over 2006–2025 from NASA POWER satellite and weather-model data for the centre of the district. The wettest year in that time was 2021 (1,227 mm) and the driest was 2016 (457 mm).

Which month gets the most rain in Dindigul?

October, with 162 mm in an average year, followed by November and September. February is the driest month (7 mm).

How much of Dindigul's rain falls in the monsoon?

35% of a normal year's rain falls from June to September. 7 months average 50 mm or more.

How much did it rain in Dindigul in 2025?

827 mm, which is 3% below the 2006–2025 average, or "normal" in the India Meteorological Department's terms.

Is rainfall in Dindigul increasing or decreasing?

The last 10 years averaged 13% more rain than the 10 before them. Year-to-year swings are still bigger than that change.

How much rainwater can a house in Dindigul harvest?

A 100 m² (about 1,076 sq ft) concrete roof in Dindigul sheds about 72,505 litres in an average year: area × rainfall × 0.85 for splash and evaporation. Sent into a recharge pit, that refills the ground under the house instead of running into the drain.

Rainfall from NASA POWER (bias-corrected satellite and weather-model rainfall) at the centre of Dindigul district. It reads close to, but not exactly the same as, India Meteorological Department rain-gauge totals, and rain varies within a district.

Rainfall in other districts of Tamil Nadu