August is one of the warmer months of the year in Viluppuram, with average highs near 34.4°C and lows around 24.7°C (mean 29.6°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 Viluppuram. Across 45 years of records, the warmest August in Viluppuram was 2018 — when the month averaged 30.9°C — while the coldest were 1998 and 2022 at 28.4°C. Typical August days reach 34.4°C with nights near 24.7°C. The long-term August temperature trend is broadly flat.
August is a relatively wet time of year in Viluppuram, averaging 114 mm of rainfall. The wettest August on record was 2024 with 215 mm, while the driest was 1989 at 32 mm.
Relative humidity in Viluppuram during August averages 68%. The most humid August was 1998 at 78%, and the least humid was 2002 at 57%.
August receives about 5.4 kWh/m²/day of solar energy in Viluppuram. The sunniest Augusts were 2015, 2016 and 2023, among others at 5.9 kWh/m²/day, and the cloudiest was 1988 at 4.6.
Average wind speed in Viluppuram during August is 2.7 m/s. The windiest Augusts were 1992 and 2002 at 3.4 m/s, while the calmest were 2017 and 2025 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.4°C | 29.5°C | 29.7°C | 29.6°C | 29.2°C | -0.2°C |
| Avg High | 34.5°C | 34.5°C | 34.7°C | 34.4°C | 33.6°C | -0.9°C |
| Avg Low | 24.3°C | 24.6°C | 24.8°C | 24.8°C | 24.9°C | +0.6°C |
| Avg Rain | 106 mm | 105 mm | 88 mm | 136 mm | 147 mm | +41 mm |
August temperatures in Viluppuram 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 0.2°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Viluppuram
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Viluppuram. That said, August — with days averaging 34.4°C and nights around 24.7°C (mean 29.6°C) and higher rainfall (114 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.6°C | 29.2°C | 24.7°C | 38.2°C | 23.4°C | 151 mm | 72% | 2 m/s | 4.8 |
| 2024 🌧️ | 32.9°C | 29.0°C | 25.2°C | 36.2°C | 23.7°C | 215 mm | 77% | 2.2 m/s | 5.7 |
| 2023 | 35.7°C | 30.8°C | 25.9°C | 39.2°C | 24.9°C | 107 mm | 67% | 2.1 m/s | 5.9 |
| 2022 | 32.4°C | 28.4°C | 24.4°C | 35.4°C | 23.0°C | 156 mm | 77% | 2.3 m/s | 5.3 |
| 2021 | 33.4°C | 28.9°C | 24.4°C | 37.4°C | 23.1°C | 136 mm | 73% | 2.3 m/s | 5.2 |
| 2020 | 33.4°C | 29.0°C | 24.6°C | 35.8°C | 23.2°C | 116 mm | 75% | 2.3 m/s | 5.3 |
| 2019 | 33.9°C | 29.3°C | 24.7°C | 38.2°C | 22.7°C | 197 mm | 70% | 3 m/s | 5.1 |
| 2018 🔥 | 36.4°C | 30.9°C | 25.5°C | 39.2°C | 24.1°C | 81 mm | 59% | 3.2 m/s | 5 |
| 2017 | 33.0°C | 28.9°C | 24.8°C | 36.0°C | 23.6°C | 186 mm | 76% | 2 m/s | 5.2 |
| 2016 | 35.0°C | 29.9°C | 24.8°C | 37.6°C | 23.1°C | 96 mm | 67% | 2.5 m/s | 5.9 |
| 2015 | 35.4°C | 30.3°C | 25.2°C | 39.2°C | 23.7°C | 115 mm | 66% | 2.2 m/s | 5.9 |
| 2014 | 34.1°C | 29.5°C | 24.9°C | 37.6°C | 23.7°C | 118 mm | 68% | 2.6 m/s | 5.6 |
| 2013 | 34.1°C | 29.4°C | 24.6°C | 37.4°C | 23.6°C | 167 mm | 70% | 2.4 m/s | 5.4 |
| 2012 | 34.5°C | 29.6°C | 24.7°C | 38.4°C | 23.6°C | 102 mm | 66% | 2.6 m/s | 5.5 |
| 2011 | 34.3°C | 29.4°C | 24.6°C | 38.2°C | 22.9°C | 113 mm | 68% | 2.6 m/s | 5.5 |
| 2010 | 33.3°C | 28.9°C | 24.6°C | 37.6°C | 21.9°C | 180 mm | 73% | 2.4 m/s | 5.2 |
| 2009 | 34.3°C | 29.5°C | 24.7°C | 37.6°C | 23.3°C | 71 mm | 69% | 2.5 m/s | 5.8 |
| 2008 | 33.5°C | 28.9°C | 24.4°C | 36.3°C | 23.6°C | 116 mm | 71% | 2.4 m/s | 5.4 |
| 2007 | 33.2°C | 28.7°C | 24.1°C | 36.1°C | 23.2°C | 158 mm | 73% | 2.5 m/s | 5.6 |
| 2006 | 36.0°C | 30.8°C | 25.6°C | 39.6°C | 23.3°C | 74 mm | 59% | 3.1 m/s | 5.7 |
| 2005 | 35.9°C | 30.8°C | 25.6°C | 39.6°C | 24.0°C | 96 mm | 61% | 2.9 m/s | 5.7 |
| 2004 | 35.4°C | 30.0°C | 24.6°C | 38.2°C | 23.1°C | 61 mm | 65% | 3.2 m/s | 5.8 |
| 2003 | 33.8°C | 29.2°C | 24.6°C | 37.2°C | 23.1°C | 121 mm | 72% | 2.6 m/s | 5.3 |
| 2002 | 36.0°C | 30.8°C | 25.7°C | 38.9°C | 23.7°C | 45 mm | 57% | 3.4 m/s | 5.5 |
| 2001 | 35.3°C | 30.0°C | 24.6°C | 38.0°C | 23.5°C | 65 mm | 66% | 3 m/s | 5.8 |
| 2000 | 33.3°C | 28.6°C | 24.0°C | 36.1°C | 22.9°C | 79 mm | 71% | 3.1 m/s | 5.3 |
| 1999 | 34.8°C | 29.8°C | 24.9°C | 38.7°C | 23.4°C | 63 mm | 64% | 2.7 m/s | 5.4 |
| 1998 ❄️ | 32.2°C | 28.4°C | 24.7°C | 36.1°C | 23.8°C | 146 mm | 78% | 2.1 m/s | 5.5 |
| 1997 | 35.8°C | 30.3°C | 24.9°C | 38.5°C | 23.1°C | 82 mm | 63% | 3 m/s | 4.8 |
| 1996 | 32.9°C | 28.5°C | 24.1°C | 37.8°C | 22.2°C | 162 mm | 72% | 2.7 m/s | 4.9 |
| 1995 | 33.5°C | 29.0°C | 24.6°C | 37.2°C | 23.2°C | 156 mm | 73% | 2.4 m/s | 5.2 |
| 1994 | 35.3°C | 30.2°C | 25.0°C | 39.3°C | 23.0°C | 67 mm | 62% | 2.9 m/s | 5 |
| 1993 | 34.7°C | 29.6°C | 24.6°C | 37.9°C | 23.2°C | 78 mm | 66% | 2.8 m/s | 5.3 |
| 1992 | 35.7°C | 30.3°C | 24.9°C | 38.5°C | 22.9°C | 44 mm | 60% | 3.4 m/s | 5 |
| 1991 | 34.9°C | 29.5°C | 24.2°C | 37.6°C | 23.0°C | 114 mm | 65% | 3.2 m/s | 5.1 |
| 1990 | 34.7°C | 29.5°C | 24.3°C | 38.2°C | 23.3°C | 137 mm | 66% | 3 m/s | 4.7 |
| 1989 | 36.1°C | 30.4°C | 24.7°C | 38.6°C | 23.2°C | 32 mm | 59% | 3.1 m/s | 5.2 |
| 1988 | 32.8°C | 28.6°C | 24.4°C | 37.6°C | 23.0°C | 141 mm | 74% | 2.4 m/s | 4.6 |
| 1987 | 34.1°C | 29.3°C | 24.4°C | 37.0°C | 23.3°C | 97 mm | 67% | 2.6 m/s | 5.3 |
| 1986 | 33.9°C | 29.0°C | 24.0°C | 37.2°C | 22.7°C | 171 mm | 68% | 2.8 m/s | 5.4 |
| 1985 | 34.0°C | 29.0°C | 23.9°C | 37.5°C | 22.9°C | 154 mm | 68% | 2.6 m/s | 5.4 |
| 1984 | 35.8°C | 29.9°C | 24.0°C | 38.2°C | 22.1°C | 69 mm | 63% | 2.8 m/s | 5.9 |
| 1983 | 34.7°C | 29.7°C | 24.7°C | 37.0°C | 23.4°C | 96 mm | 67% | 2.6 m/s | — |
| 1982 | 35.2°C | 29.8°C | 24.4°C | 39.1°C | 23.1°C | 47 mm | 62% | 3 m/s | — |
| 1981 | 33.5°C | 28.7°C | 23.8°C | 36.4°C | 22.6°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 34.4°C with lows near 24.7°C (mean 29.6°C), based on 45 years of NASA POWER data.
August averages 114 mm of rainfall in Viluppuram, 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 fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 24.2°C to 24.9°C while daytime highs eased from 34.6°C to 33.6°C, narrowing the gap between day and night.
August is one of the warmer months of the year in Viluppuram and a relatively wet time of year, so plan for around 34.4°C daytime highs and 24.7°C at night.
Not quite — August is the 7th coolest month in Viluppuram, averaging 29.6°C.
For August in Viluppuram, pack light, breathable clothing and sun protection, with typical highs of 34.4°C and lows of 24.7°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 Viluppuram 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.