August is one of the warmer months of the year in Tiruvannamalai, with average highs near 37.7°C and lows around 23.2°C (mean 30.5°C). It is a relatively wet time of year, averaging 114 mm of rainfall and 68% relative humidity across the period.
August is one of the warmer months of the year in Tiruvannamalai. Across 45 years of records, the warmest August in Tiruvannamalai was 2023 — when the month averaged 32°C — while the coldest was 2022 at 29.2°C. Typical August days reach 37.7°C with nights near 23.2°C. The long-term August temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.3°C | 30.5°C | 30.6°C | 30.6°C | 30.3°C | 0°C |
| Avg High | 37.6°C | 38.0°C | 37.8°C | 37.9°C | 37.0°C | -0.6°C |
| Avg Low | 22.9°C | 23.1°C | 23.4°C | 23.3°C | 23.5°C | +0.6°C |
| Avg Rain | 106 mm | 105 mm | 88 mm | 136 mm | 147 mm | +41 mm |
August temperatures in Tiruvannamalai have stayed relatively stable across the record.
August has ranged from a record low of 21.9°C (2010) to a record high of 39.6°C (2005).
Rainfall in August is a relatively wet time of year, averaging 114 mm, with a wettest year of 215 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Tiruvannamalai
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Tiruvannamalai. That said, August — with days averaging 37.7°C and nights around 23.2°C (mean 30.5°C) and higher rainfall (114 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 38.2°C | 23.4°C | 30.8°C | 151 mm | 72% | 2 m/s | 5 |
| 2024 🌧️ | 36.2°C | 23.7°C | 30.0°C | 215 mm | 77% | 2.2 m/s | 5.5 |
| 2023 🔥 | 39.2°C | 24.9°C | 32.0°C | 107 mm | 67% | 2.1 m/s | 5.7 |
| 2022 ❄️ | 35.4°C | 23.0°C | 29.2°C | 156 mm | 77% | 2.3 m/s | 5.2 |
| 2021 | 37.4°C | 23.1°C | 30.2°C | 136 mm | 73% | 2.3 m/s | 5.3 |
| 2020 | 35.8°C | 23.2°C | 29.5°C | 116 mm | 75% | 2.3 m/s | 4.8 |
| 2019 | 38.2°C | 22.7°C | 30.4°C | 197 mm | 70% | 3 m/s | 5.1 |
| 2018 | 39.2°C | 24.1°C | 31.6°C | 81 mm | 59% | 3.2 m/s | 4.8 |
| 2017 | 36.0°C | 23.6°C | 29.8°C | 186 mm | 76% | 2 m/s | 5.2 |
| 2016 | 37.6°C | 23.1°C | 30.3°C | 96 mm | 67% | 2.5 m/s | 5.8 |
| 2015 | 39.2°C | 23.7°C | 31.4°C | 115 mm | 66% | 2.2 m/s | 5.9 |
| 2014 | 37.6°C | 23.7°C | 30.6°C | 118 mm | 68% | 2.6 m/s | 5.3 |
| 2013 | 37.4°C | 23.6°C | 30.5°C | 167 mm | 70% | 2.4 m/s | 5.3 |
| 2012 | 38.4°C | 23.6°C | 31.0°C | 102 mm | 66% | 2.6 m/s | 5.5 |
| 2011 | 38.2°C | 22.9°C | 30.5°C | 113 mm | 68% | 2.6 m/s | 5.4 |
| 2010 | 37.6°C | 21.9°C | 29.8°C | 180 mm | 73% | 2.4 m/s | 4.9 |
| 2009 | 37.6°C | 23.3°C | 30.4°C | 71 mm | 69% | 2.5 m/s | 5.7 |
| 2008 | 36.3°C | 23.6°C | 29.9°C | 116 mm | 71% | 2.4 m/s | 5.1 |
| 2007 | 36.1°C | 23.2°C | 29.6°C | 158 mm | 73% | 2.5 m/s | 5.5 |
| 2006 | 39.6°C | 23.3°C | 31.4°C | 74 mm | 59% | 3.1 m/s | 5.6 |
| 2005 | 39.6°C | 24.0°C | 31.8°C | 96 mm | 61% | 2.9 m/s | 5.5 |
| 2004 | 38.2°C | 23.1°C | 30.7°C | 61 mm | 65% | 3.2 m/s | 5.6 |
| 2003 | 37.2°C | 23.1°C | 30.2°C | 121 mm | 72% | 2.6 m/s | 5.3 |
| 2002 | 38.9°C | 23.7°C | 31.3°C | 45 mm | 57% | 3.4 m/s | 5.3 |
| 2001 | 38.0°C | 23.5°C | 30.8°C | 65 mm | 66% | 3 m/s | 5.5 |
| 2000 | 36.1°C | 22.9°C | 29.5°C | 79 mm | 71% | 3.1 m/s | 5.3 |
| 1999 | 38.7°C | 23.4°C | 31.0°C | 63 mm | 64% | 2.7 m/s | 5.1 |
| 1998 | 36.1°C | 23.8°C | 29.9°C | 146 mm | 78% | 2.1 m/s | 5.1 |
| 1997 | 38.5°C | 23.1°C | 30.8°C | 82 mm | 63% | 3 m/s | 4.8 |
| 1996 | 37.8°C | 22.2°C | 30.0°C | 162 mm | 72% | 2.7 m/s | 4.8 |
| 1995 | 37.2°C | 23.2°C | 30.2°C | 156 mm | 73% | 2.4 m/s | 5.1 |
| 1994 | 39.3°C | 23.0°C | 31.2°C | 67 mm | 62% | 2.9 m/s | 4.9 |
| 1993 | 37.9°C | 23.2°C | 30.5°C | 78 mm | 66% | 2.8 m/s | 5 |
| 1992 | 38.5°C | 22.9°C | 30.7°C | 44 mm | 60% | 3.4 m/s | 5 |
| 1991 | 37.6°C | 23.0°C | 30.3°C | 114 mm | 65% | 3.2 m/s | 5.1 |
| 1990 | 38.2°C | 23.3°C | 30.7°C | 137 mm | 66% | 3 m/s | 4.8 |
| 1989 | 38.6°C | 23.2°C | 30.9°C | 32 mm | 59% | 3.1 m/s | 5.2 |
| 1988 | 37.6°C | 23.0°C | 30.3°C | 141 mm | 74% | 2.4 m/s | 4.6 |
| 1987 | 37.0°C | 23.3°C | 30.1°C | 97 mm | 67% | 2.6 m/s | 5.1 |
| 1986 | 37.2°C | 22.7°C | 29.9°C | 171 mm | 68% | 2.8 m/s | 5.4 |
| 1985 | 37.5°C | 22.9°C | 30.2°C | 154 mm | 68% | 2.6 m/s | 5.3 |
| 1984 | 38.2°C | 22.1°C | 30.2°C | 69 mm | 63% | 2.8 m/s | 6 |
| 1983 | 37.0°C | 23.4°C | 30.2°C | 96 mm | 67% | 2.6 m/s | — |
| 1982 | 39.1°C | 23.1°C | 31.1°C | 47 mm | 62% | 3 m/s | — |
| 1981 | 36.4°C | 22.6°C | 29.5°C | 148 mm | 72% | 2.8 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 37.7°C with lows near 23.2°C (mean 30.5°C), based on 45 years of NASA POWER data.
August averages 114 mm of rainfall in Tiruvannamalai, a relatively wet time of year. The wettest on record was 215 mm in 2024.
The hottest August reached 39.6°C in 2005. The coldest dipped to 21.9°C in 2010.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.2°C. Daytime highs moved from 37.6°C to 37.3°C and overnight lows from 22.8°C to 23.6°C over the same span.
August is one of the warmer months of the year in Tiruvannamalai and a relatively wet time of year, so plan for around 37.7°C daytime highs and 23.2°C at night.
Not quite — August is the 8th coolest month in Tiruvannamalai, averaging 30.5°C.
For August in Tiruvannamalai, pack light, breathable clothing and sun protection, with typical highs of 37.7°C and lows of 23.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 68% — moderately humid.
Average wind speed in August is 2.7 m/s. The windiest August on record averaged 3.4 m/s (1992).
The wettest August on record was 2024 with 215 mm. On average, August sees 114 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Tiruvannamalai behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.
