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Rainfall · Tamil Nadu

Rainfall in Pudukkottai

892 mmof rain in an average year, 2006–2025

Pudukkottai gets 32% of its rain from the monsoon, June to September, and November is its wettest month. In 2025 it got 956 mm, 7% above average (normal).

Novemberwettest month, 192 mm on average
2021wettest year, 1,348 mm
2016driest year, 478 mm
7months a year with 50 mm of rain or more

Month-wise rainfall in Pudukkottai

Average rain in each month, 2006–2025.

0100200300JanJan: 22 mmFebFeb: 9 mmMarMar: 20 mmAprApr: 34 mmMayMay: 78 mmJunJun: 43 mmJulJul: 51 mmAugAug: 94 mmSepSep: 95 mmOctOct: 164 mmNovNov: 192 mmDecDec: 90 mm
MonthAverage rainShare of the year
January22 mm2%
February9 mm1%
March20 mm2%
April34 mm4%
May78 mm9%
June43 mm5%
July51 mm6%
August94 mm11%
September95 mm11%
October164 mm18%
November192 mm22%
December90 mm10%

Yearly rainfall in Pudukkottai since 2006

Lighter bars are dry years, 20% or more below average (2009, 2012, 2013, 2016, 2018), when wells and borewells are drawn hardest. The last ten years averaged 10% more rain than the ten before.

05001000150020062006: 830 mm2007: 805 mm2008: 1,069 mm20092009: 672 mm2010: 1,051 mm2011: 856 mm20122012: 671 mm2013: 637 mm2014: 760 mm20152015: 1,139 mm2016: 478 mm2017: 803 mm20182018: 690 mm2019: 869 mm2020: 1,010 mm20212021: 1,348 mm2022: 1,143 mm2023: 974 mm20242024: 1,070 mm2025: 956 mm- - average 892 mm

What Pudukkottai'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 Pudukkottai sheds about 75,820 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 year1,51,640 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 PudukkottaiGroundwater level in PudukkottaiPonds and lakes in PudukkottaiWater quality in Pudukkottai

Frequently asked questions

What is the average annual rainfall in Pudukkottai?

About 892 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 (1,348 mm) and the driest was 2016 (478 mm).

Which month gets the most rain in Pudukkottai?

November, with 192 mm in an average year, followed by October and September. February is the driest month (9 mm).

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

32% of a normal year's rain falls from June to September. 7 months average 50 mm or more.

How much did it rain in Pudukkottai in 2025?

956 mm, which is 7% above the 2006–2025 average, or "normal" in the India Meteorological Department's terms.

Is rainfall in Pudukkottai increasing or decreasing?

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

How much rainwater can a house in Pudukkottai harvest?

A 100 m² (about 1,076 sq ft) concrete roof in Pudukkottai sheds about 75,820 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 Pudukkottai 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