Rainfall in Tirupati
Tirupati gets 42% of its rain from the monsoon, June to September, and November is its wettest month. In 2025 it got 1,122 mm, 16% above average (normal).
Month-wise rainfall in Tirupati
Average rain in each month, 2006–2025.
| Month | Average rain | Share of the year |
|---|---|---|
| January | 10 mm | 1% |
| February | 4 mm | 0% |
| March | 13 mm | 1% |
| April | 15 mm | 2% |
| May | 52 mm | 5% |
| June | 74 mm | 8% |
| July | 99 mm | 10% |
| August | 118 mm | 12% |
| September | 119 mm | 12% |
| October | 165 mm | 17% |
| November | 210 mm | 22% |
| December | 88 mm | 9% |
Yearly rainfall in Tirupati since 2006
Lighter bars are dry years, 20% or more below average (2012, 2014, 2016, 2018), when wells and borewells are drawn hardest. The last ten years averaged 6% more rain than the ten before.
What Tirupati'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 Tirupati sheds about 82,195 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?
1 mm of rain on 1 m² is 1 litre. The surface factor allows for water lost to splash, evaporation and first-flush.
Frequently asked questions
What is the average annual rainfall in Tirupati?
About 967 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 2015 (1,508 mm) and the driest was 2018 (534 mm).
Which month gets the most rain in Tirupati?
November, with 210 mm in an average year, followed by October and September. February is the driest month (4 mm).
How much of Tirupati's rain falls in the monsoon?
42% of a normal year's rain falls from June to September. 8 months average 50 mm or more.
How much did it rain in Tirupati in 2025?
1,122 mm, which is 16% above the 2006–2025 average, or "normal" in the India Meteorological Department's terms.
Is rainfall in Tirupati increasing or decreasing?
The last 10 years averaged 6% more rain than the 10 before them. Year-to-year swings are still bigger than that change.
How much rainwater can a house in Tirupati harvest?
A 100 m² (about 1,076 sq ft) concrete roof in Tirupati sheds about 82,195 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 Tirupati district. It reads close to, but not exactly the same as, India Meteorological Department rain-gauge totals, and rain varies within a district.