August is one of the warmer months of the year in Sivaganga, with average highs near 37.6°C and lows around 23.2°C (mean 30.4°C). It is about average for rainfall, averaging 72 mm of rainfall and 66% relative humidity across the period.
August is one of the warmer months of the year in Sivaganga. Across 45 years of records, the warmest August in Sivaganga was 2023 — when the month averaged 32.2°C — while the coldest was 1991 at 28.8°C. Typical August days reach 37.6°C with nights near 23.2°C. The long-term trend is warming, about 0.3°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.9°C | 30.1°C | 30.3°C | 31.1°C | 30.8°C | +0.9°C |
| Avg High | 37.1°C | 37.2°C | 37.5°C | 38.5°C | 37.7°C | +0.6°C |
| Avg Low | 22.8°C | 23.0°C | 23.1°C | 23.7°C | 23.8°C | +1°C |
| Avg Rain | 64 mm | 66 mm | 74 mm | 76 mm | 84 mm | +21 mm |
August temperatures in Sivaganga have risen by about 0.8°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 21.4°C (2006) to a record high of 40.1°C (2012).
Rainfall in August is about average for rainfall, averaging 72 mm, with a wettest year of 171 mm.
A good time to visit Sivaganga
August is a good time to visit Sivaganga, with days averaging 37.6°C and nights around 23.2°C (mean 30.4°C, warmer than Sivaganga's yearly average) and moderate rainfall. January and December are marginally more temperate, but August still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 38.0°C | 24.3°C | 31.2°C | 76 mm | 66% | 2.6 m/s | 5.6 |
| 2024 | 36.6°C | 24.3°C | 30.4°C | 106 mm | 72% | 2.7 m/s | 5.7 |
| 2023 🔥 | 39.8°C | 24.6°C | 32.2°C | 77 mm | 62% | 2.4 m/s | 6.2 |
| 2022 | 35.6°C | 23.1°C | 29.3°C | 110 mm | 75% | 2.6 m/s | 5.5 |
| 2021 | 38.7°C | 23.3°C | 31.0°C | 72 mm | 64% | 2.6 m/s | 5.3 |
| 2020 | 37.3°C | 23.4°C | 30.4°C | 65 mm | 68% | 2.6 m/s | 5.6 |
| 2019 | 38.5°C | 23.2°C | 30.8°C | 82 mm | 63% | 3.6 m/s | 5.3 |
| 2018 | 38.7°C | 24.1°C | 31.4°C | 42 mm | 58% | 3.5 m/s | 5.2 |
| 2017 | 37.2°C | 23.7°C | 30.5°C | 123 mm | 69% | 2.5 m/s | 5.6 |
| 2016 | 38.1°C | 23.5°C | 30.8°C | 50 mm | 61% | 2.7 m/s | 6.2 |
| 2015 | 38.3°C | 24.0°C | 31.1°C | 62 mm | 62% | 2.8 m/s | 6.2 |
| 2014 | 38.2°C | 23.9°C | 31.1°C | 93 mm | 64% | 3 m/s | 5.7 |
| 2013 | 37.7°C | 24.0°C | 30.8°C | 113 mm | 62% | 2.6 m/s | 5.6 |
| 2012 | 40.1°C | 24.1°C | 32.1°C | 66 mm | 61% | 2.9 m/s | 5.8 |
| 2011 | 39.3°C | 23.8°C | 31.6°C | 50 mm | 60% | 2.8 m/s | 5.7 |
| 2010 | 38.6°C | 23.0°C | 30.8°C | 74 mm | 64% | 2.5 m/s | 5.3 |
| 2009 | 39.2°C | 23.7°C | 31.4°C | 54 mm | 60% | 2.8 m/s | 5.8 |
| 2008 | 36.1°C | 23.4°C | 29.8°C | 136 mm | 71% | 2.4 m/s | 5.7 |
| 2007 | 37.4°C | 23.6°C | 30.5°C | 85 mm | 69% | 2.8 m/s | 6 |
| 2006 | 38.6°C | 21.4°C | 30.0°C | 159 mm | 66% | 3.4 m/s | 6.1 |
| 2005 | 39.1°C | 23.8°C | 31.5°C | 43 mm | 60% | 3.3 m/s | 6.3 |
| 2004 | 37.5°C | 23.1°C | 30.3°C | 28 mm | 67% | 3 m/s | 6 |
| 2003 | 36.3°C | 22.6°C | 29.5°C | 105 mm | 73% | 2.6 m/s | 5.8 |
| 2002 | 38.9°C | 23.7°C | 31.3°C | 25 mm | 57% | 3.6 m/s | 5.8 |
| 2001 | 36.2°C | 22.8°C | 29.5°C | 38 mm | 71% | 2.9 m/s | 6 |
| 2000 | 35.7°C | 22.9°C | 29.3°C | 68 mm | 71% | 3.5 m/s | 5.4 |
| 1999 | 38.4°C | 23.0°C | 30.7°C | 43 mm | 65% | 2.9 m/s | 5.9 |
| 1998 🌧️ | 36.9°C | 23.4°C | 30.1°C | 171 mm | 76% | 2.5 m/s | 5.7 |
| 1997 | 36.9°C | 23.0°C | 30.0°C | 26 mm | 65% | 3.2 m/s | 5.1 |
| 1996 | 36.9°C | 22.6°C | 29.7°C | 141 mm | 72% | 2.9 m/s | 5.2 |
| 1995 | 38.0°C | 23.4°C | 30.7°C | 55 mm | 66% | 3 m/s | 5.4 |
| 1994 | 36.1°C | 23.0°C | 29.6°C | 27 mm | 69% | 3.2 m/s | 5.4 |
| 1993 | 37.1°C | 22.6°C | 29.8°C | 36 mm | 68% | 2.9 m/s | 5.3 |
| 1992 | 37.0°C | 23.0°C | 30.0°C | 34 mm | 68% | 3.5 m/s | 5.3 |
| 1991 ❄️ | 35.7°C | 22.0°C | 28.8°C | 86 mm | 73% | 3.1 m/s | 5.2 |
| 1990 | 39.4°C | 23.8°C | 31.6°C | 36 mm | 58% | 3.6 m/s | 5.2 |
| 1989 | 37.5°C | 22.4°C | 29.9°C | 26 mm | 64% | 3.4 m/s | 5.5 |
| 1988 | 36.0°C | 22.8°C | 29.4°C | 77 mm | 75% | 2.6 m/s | 5 |
| 1987 | 36.5°C | 23.4°C | 29.9°C | 65 mm | 68% | 3 m/s | 5.5 |
| 1986 | 37.9°C | 22.3°C | 30.1°C | 103 mm | 64% | 3.2 m/s | 5.7 |
| 1985 | 36.4°C | 22.9°C | 29.7°C | 68 mm | 63% | 2.9 m/s | 5.4 |
| 1984 | 37.9°C | 22.2°C | 30.1°C | 56 mm | 63% | 2.9 m/s | 5.8 |
| 1983 | 37.4°C | 23.5°C | 30.4°C | 69 mm | 61% | 3.1 m/s | — |
| 1982 | 38.1°C | 22.9°C | 30.5°C | 25 mm | 65% | 3.4 m/s | — |
| 1981 | 36.0°C | 22.7°C | 29.3°C | 84 mm | 70% | 3.2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 37.6°C with lows near 23.2°C (mean 30.4°C), based on 45 years of NASA POWER data.
August averages 72 mm of rainfall in Sivaganga, about average for rainfall. The wettest on record was 171 mm in 1998.
The hottest August reached 40.1°C in 2012. The coldest dipped to 21.4°C in 2006.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.8°C. Daytime highs moved from 37.2°C to 37.7°C and overnight lows from 22.8°C to 23.9°C over the same span.
August is one of the warmer months of the year in Sivaganga and about average for rainfall, so plan for around 37.6°C daytime highs and 23.2°C at night.
Not quite — August is the 8th coolest month in Sivaganga, averaging 30.4°C.
For August in Sivaganga, pack light, breathable clothing and sun protection, with typical highs of 37.6°C and lows of 23.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 66% — moderately humid.
Average wind speed in August is 3 m/s. The windiest August on record averaged 3.6 m/s (1990).
The wettest August on record was 1998 with 171 mm. On average, August sees 72 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 Sivaganga 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.
