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Rainfall · Chhattisgarh

Rainfall in Dhamtari

1,422 mmof rain in an average year, 2006–2025

Dhamtari gets 87% of its rain from the monsoon, June to September, and July is its wettest month. In 2025 it got 1,534 mm, 8% above average (normal).

Julywettest month, 406 mm on average
2012wettest year, 1,744 mm
2008driest year, 1,161 mm
5months a year with 50 mm of rain or more

Month-wise rainfall in Dhamtari

Average rain in each month, 2006–2025.

0200400600JanJan: 7 mmFebFeb: 11 mmMarMar: 18 mmAprApr: 31 mmMayMay: 45 mmJunJun: 206 mmJulJul: 406 mmAugAug: 351 mmSepSep: 270 mmOctOct: 54 mmNovNov: 11 mmDecDec: 14 mm
MonthAverage rainShare of the year
January7 mm0%
February11 mm1%
March18 mm1%
April31 mm2%
May45 mm3%
June206 mm14%
July406 mm29%
August351 mm25%
September270 mm19%
October54 mm4%
November11 mm1%
December14 mm1%

Yearly rainfall in Dhamtari since 2006

Lighter bars are dry years, 20% or more below average, when wells and borewells are drawn hardest.

050010001500200020062006: 1,312 mm2007: 1,475 mm2008: 1,161 mm20092009: 1,198 mm2010: 1,502 mm2011: 1,527 mm20122012: 1,744 mm2013: 1,665 mm2014: 1,377 mm20152015: 1,309 mm2016: 1,311 mm2017: 1,283 mm20182018: 1,228 mm2019: 1,663 mm2020: 1,565 mm20212021: 1,335 mm2022: 1,416 mm2023: 1,525 mm20242024: 1,302 mm2025: 1,534 mm- - average 1,422 mm

What Dhamtari'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 Dhamtari sheds about 1,20,870 litres in an average year, most of it in four monsoon 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 year2,41,740 L≈ 24 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 DhamtariGroundwater level in DhamtariPonds and lakes in Dhamtari

Frequently asked questions

What is the average annual rainfall in Dhamtari?

About 1,422 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 2012 (1,744 mm) and the driest was 2008 (1,161 mm).

Which month gets the most rain in Dhamtari?

July, with 406 mm in an average year, followed by August and September. January is the driest month (7 mm).

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

87% of a normal year's rain falls from June to September. 5 months average 50 mm or more.

How much did it rain in Dhamtari in 2025?

1,534 mm, which is 8% above the 2006–2025 average, or "normal" in the India Meteorological Department's terms.

Is rainfall in Dhamtari increasing or decreasing?

It has held roughly steady: the last 10 years averaged within 5% of the 10 before them. Year-to-year swings are much bigger than the trend.

How much rainwater can a house in Dhamtari harvest?

A 100 m² (about 1,076 sq ft) concrete roof in Dhamtari sheds about 1,20,870 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 Dhamtari 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 Chhattisgarh