August is one of the warmer months of the year in Tiruvallur, with average highs near 36.2°C and lows around 24.3°C (mean 30.3°C). It is a relatively wet time of year, averaging 133 mm of rainfall and 73% relative humidity across the period.
August is one of the warmer months of the year in Tiruvallur. Across 45 years of records, the warmest Augusts in Tiruvallur were 2018 and 2023 — when the month averaged 31.4°C — while the coldest was 2020 at 28.9°C. Typical August days reach 36.2°C with nights near 24.3°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 | 29.9°C | 30.3°C | 30.3°C | 30.3°C | 30.0°C | +0.1°C |
| Avg High | 35.8°C | 36.5°C | 36.3°C | 36.4°C | 35.7°C | -0.1°C |
| Avg Low | 24.1°C | 24.2°C | 24.4°C | 24.2°C | 24.4°C | +0.3°C |
| Avg Rain | 119 mm | 128 mm | 107 mm | 155 mm | 168 mm | +49 mm |
August temperatures in Tiruvallur have risen by about 0.6°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 23.4°C (1996) to a record high of 38°C (1994).
Rainfall in August is a relatively wet time of year, averaging 133 mm, with a wettest year of 253 mm.
A quieter season to visit Tiruvallur
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Tiruvallur. That said, August — with days averaging 36.2°C and nights around 24.3°C (mean 30.3°C) and higher rainfall (133 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 | 36.3°C | 24.0°C | 30.1°C | 180 mm | 76% | 2.7 m/s | 4.9 |
| 2024 | 35.4°C | 25.0°C | 30.2°C | 173 mm | 80% | 2.8 m/s | 5.2 |
| 2023 | 37.3°C | 25.4°C | 31.4°C | 213 mm | 74% | 2.4 m/s | 5.6 |
| 2022 | 36.0°C | 24.2°C | 30.1°C | 189 mm | 77% | 2.8 m/s | 5 |
| 2021 | 35.2°C | 23.8°C | 29.5°C | 135 mm | 77% | 2.9 m/s | 5.1 |
| 2020 ❄️ | 33.7°C | 24.2°C | 28.9°C | 121 mm | 80% | 2.7 m/s | 4.5 |
| 2019 | 36.9°C | 24.0°C | 30.5°C | 198 mm | 74% | 3.4 m/s | 4.8 |
| 2018 🔥 | 37.5°C | 25.2°C | 31.4°C | 127 mm | 67% | 3.2 m/s | 4.6 |
| 2017 | 34.4°C | 24.3°C | 29.3°C | 222 mm | 78% | 2.6 m/s | 5 |
| 2016 | 36.9°C | 23.4°C | 30.1°C | 61 mm | 70% | 3.2 m/s | 5.5 |
| 2015 | 36.8°C | 24.3°C | 30.5°C | 158 mm | 73% | 2.7 m/s | 5.6 |
| 2014 | 37.2°C | 24.5°C | 30.8°C | 158 mm | 72% | 3.2 m/s | 5.1 |
| 2013 | 35.4°C | 24.2°C | 29.8°C | 175 mm | 74% | 2.9 m/s | 5.1 |
| 2012 | 36.3°C | 24.5°C | 30.4°C | 123 mm | 70% | 3.2 m/s | 5.4 |
| 2011 | 36.5°C | 24.0°C | 30.3°C | 164 mm | 73% | 3.1 m/s | 5 |
| 2010 | 36.2°C | 23.6°C | 29.9°C | 167 mm | 76% | 2.7 m/s | 4.9 |
| 2009 | 36.2°C | 24.8°C | 30.5°C | 140 mm | 73% | 3.1 m/s | 5.5 |
| 2008 | 36.4°C | 24.6°C | 30.5°C | 108 mm | 72% | 3.1 m/s | 5 |
| 2007 | 34.4°C | 24.0°C | 29.2°C | 189 mm | 80% | 3.1 m/s | 5.3 |
| 2006 | 37.0°C | 24.6°C | 30.8°C | 89 mm | 68% | 3.5 m/s | 5.3 |
| 2005 | 36.7°C | 24.9°C | 30.8°C | 79 mm | 68% | 3 m/s | 5.3 |
| 2004 | 37.3°C | 24.7°C | 31.0°C | 48 mm | 67% | 3.8 m/s | 5.6 |
| 2003 | 34.8°C | 24.0°C | 29.4°C | 142 mm | 78% | 3.1 m/s | 5.1 |
| 2002 | 37.7°C | 24.3°C | 31.0°C | 128 mm | 67% | 3.5 m/s | 5 |
| 2001 | 37.3°C | 24.3°C | 30.8°C | 50 mm | 68% | 3.4 m/s | 5.1 |
| 2000 | 34.9°C | 23.9°C | 29.4°C | 98 mm | 73% | 3.8 m/s | 5 |
| 1999 | 37.0°C | 24.6°C | 30.8°C | 136 mm | 70% | 3.3 m/s | 4.9 |
| 1998 | 34.1°C | 25.2°C | 29.7°C | 120 mm | 78% | 2.8 m/s | 4.9 |
| 1997 | 37.9°C | 24.3°C | 31.1°C | 87 mm | 65% | 3.6 m/s | 4.9 |
| 1996 | 36.5°C | 23.4°C | 30.0°C | 96 mm | 75% | 3.1 m/s | 4.7 |
| 1995 🌧️ | 35.3°C | 24.1°C | 29.7°C | 253 mm | 79% | 3 m/s | 5.1 |
| 1994 | 38.0°C | 24.1°C | 31.0°C | 124 mm | 68% | 3.5 m/s | 4.8 |
| 1993 | 36.5°C | 24.2°C | 30.4°C | 167 mm | 72% | 3.3 m/s | 4.9 |
| 1992 | 36.7°C | 23.9°C | 30.3°C | 90 mm | 69% | 3.7 m/s | 4.9 |
| 1991 | 35.8°C | 23.9°C | 29.9°C | 107 mm | 69% | 3.6 m/s | 4.8 |
| 1990 | 36.8°C | 24.1°C | 30.5°C | 103 mm | 69% | 3.5 m/s | 4.8 |
| 1989 | 36.6°C | 24.5°C | 30.5°C | 48 mm | 67% | 3.4 m/s | 5.1 |
| 1988 | 36.1°C | 24.0°C | 30.0°C | 220 mm | 79% | 2.9 m/s | 4.4 |
| 1987 | 35.3°C | 24.5°C | 29.9°C | 118 mm | 71% | 3.4 m/s | 4.9 |
| 1986 | 37.0°C | 24.2°C | 30.6°C | 78 mm | 67% | 3.7 m/s | 5.1 |
| 1985 | 34.8°C | 23.9°C | 29.3°C | 127 mm | 74% | 3.1 m/s | 5.3 |
| 1984 | 37.4°C | 23.6°C | 30.5°C | 30 mm | 66% | 3 m/s | 5.9 |
| 1983 | 34.6°C | 24.4°C | 29.5°C | 172 mm | 73% | 3.2 m/s | — |
| 1982 | 35.9°C | 23.9°C | 29.9°C | 104 mm | 72% | 3.6 m/s | — |
| 1981 | 34.5°C | 24.0°C | 29.2°C | 175 mm | 76% | 3.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 36.2°C with lows near 24.3°C (mean 30.3°C), based on 45 years of NASA POWER data.
August averages 133 mm of rainfall in Tiruvallur, a relatively wet time of year. The wettest on record was 253 mm in 1995.
The hottest August reached 38°C in 1994. The coldest dipped to 23.4°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.6°C. Daytime highs moved from 35.4°C to 36°C and overnight lows from 24°C to 24.5°C over the same span.
August is one of the warmer months of the year in Tiruvallur and a relatively wet time of year, so plan for around 36.2°C daytime highs and 24.3°C at night.
Not quite — August is the 8th coolest month in Tiruvallur, averaging 30.3°C.
For August in Tiruvallur, pack light, breathable clothing and sun protection, with typical highs of 36.2°C and lows of 24.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 73% — moderately humid.
Average wind speed in August is 3.2 m/s. The windiest August on record averaged 3.8 m/s (2000).
The wettest August on record was 1995 with 253 mm. On average, August sees 133 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 Tiruvallur 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.
