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Rainfall · Uttar Pradesh

Rainfall in Shahjahanpur

1,101 mmof rain in an average year, 2006–2025

Shahjahanpur gets 85% of its rain from the monsoon, June to September, and July is its wettest month. In 2025 it got 1,065 mm, 3% below average (normal).

Julywettest month, 352 mm on average
2008wettest year, 1,528 mm
2014driest year, 753 mm
4months a year with 50 mm of rain or more

Month-wise rainfall in Shahjahanpur

Average rain in each month, 2006–2025.

0100200300400JanJan: 18 mmFebFeb: 31 mmMarMar: 19 mmAprApr: 14 mmMayMay: 38 mmJunJun: 135 mmJulJul: 352 mmAugAug: 270 mmSepSep: 175 mmOctOct: 38 mmNovNov: 4 mmDecDec: 7 mm
MonthAverage rainShare of the year
January18 mm2%
February31 mm3%
March19 mm2%
April14 mm1%
May38 mm3%
June135 mm12%
July352 mm32%
August270 mm25%
September175 mm16%
October38 mm3%
November4 mm0%
December7 mm1%

Yearly rainfall in Shahjahanpur since 2006

Lighter bars are dry years, 20% or more below average (2014), when wells and borewells are drawn hardest. The last ten years averaged 12% less rain than the ten before.

050010001500200020062006: 901 mm2007: 1,195 mm2008: 1,528 mm20092009: 1,093 mm2010: 1,337 mm2011: 1,398 mm20122012: 913 mm2013: 1,514 mm2014: 753 mm20152015: 1,059 mm2016: 1,040 mm2017: 884 mm20182018: 1,229 mm2019: 992 mm2020: 1,005 mm20212021: 1,122 mm2022: 1,006 mm2023: 976 mm20242024: 1,011 mm2025: 1,065 mm- - average 1,101 mm

What Shahjahanpur'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 Shahjahanpur sheds about 93,585 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 year1,87,170 L≈ 19 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 ShahjahanpurGroundwater level in ShahjahanpurPonds and lakes in Shahjahanpur

Frequently asked questions

What is the average annual rainfall in Shahjahanpur?

About 1,101 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 2008 (1,528 mm) and the driest was 2014 (753 mm).

Which month gets the most rain in Shahjahanpur?

July, with 352 mm in an average year, followed by August and September. November is the driest month (4 mm).

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

85% of a normal year's rain falls from June to September. 4 months average 50 mm or more.

How much did it rain in Shahjahanpur in 2025?

1,065 mm, which is 3% below the 2006–2025 average, or "normal" in the India Meteorological Department's terms.

Is rainfall in Shahjahanpur increasing or decreasing?

The last 10 years averaged 12% less rain than the 10 before them. Year-to-year swings are still bigger than that change.

How much rainwater can a house in Shahjahanpur harvest?

A 100 m² (about 1,076 sq ft) concrete roof in Shahjahanpur sheds about 93,585 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 Shahjahanpur 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 Uttar Pradesh