August is one of the warmer months of the year in Thanjavur, with average highs near 34.7°C and lows around 25.2°C (mean 30°C). It is about average for rainfall, averaging 84 mm of rainfall and 65% relative humidity across the period.
August is one of the warmer months of the year in Thanjavur. Across 45 years of records, the warmest August in Thanjavur was 2005 — when the month averaged 31.6°C — while the coldest was 1998 at 28.8°C. Typical August days reach 34.7°C with nights near 25.2°C. The long-term August temperature trend is broadly flat.
August is about average for rainfall in Thanjavur, averaging 84 mm of rainfall. The wettest August on record was 1998 with 165 mm, while the driest was 2002 at 19 mm.
Relative humidity in Thanjavur during August averages 65%. The most humid August was 1998 at 76%, and the least humid was 2002 at 55%.
August receives about 5.6 kWh/m²/day of solar energy in Thanjavur. The sunniest Augusts were 2005 and 2023 at 6.2 kWh/m²/day, and the cloudiest were 1988 and 1990 at 4.9.
Average wind speed in Thanjavur during August is 3.5 m/s. The windiest Augusts were 1992, 2002 and 2018 at 4.3 m/s, while the calmest were 1998, 2017 and 2023 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.9°C | 29.8°C | 30.1°C | 30.2°C | 29.8°C | -0.1°C |
| Avg High | 34.8°C | 34.6°C | 34.9°C | 34.9°C | 34.2°C | -0.6°C |
| Avg Low | 24.9°C | 25.1°C | 25.3°C | 25.5°C | 25.4°C | +0.5°C |
| Avg Rain | 69 mm | 72 mm | 73 mm | 104 mm | 110 mm | +41 mm |
August temperatures in Thanjavur have stayed relatively stable across the record.
August has ranged from a record low of 22.4°C (2006) to a record high of 40.2°C (2005).
Rainfall in August is about average for rainfall, averaging 84 mm, with a wettest year of 165 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 good time to visit Thanjavur
August is a good time to visit Thanjavur, with days averaging 34.7°C and nights around 25.2°C (mean 30°C, warmer than Thanjavur's yearly average) and higher rainfall. January and February are marginally more temperate, but August still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 34.3°C | 29.9°C | 25.6°C | 37.0°C | 24.4°C | 109 mm | 68% | 2.8 m/s | 5.3 |
| 2024 | 34.0°C | 29.9°C | 25.8°C | 37.0°C | 24.6°C | 121 mm | 72% | 2.8 m/s | 5.7 |
| 2023 | 36.0°C | 31.2°C | 26.5°C | 39.5°C | 25.3°C | 96 mm | 65% | 2.7 m/s | 6.2 |
| 2022 | 33.1°C | 28.9°C | 24.7°C | 36.5°C | 23.8°C | 121 mm | 74% | 2.9 m/s | 5.3 |
| 2021 | 34.0°C | 29.4°C | 24.8°C | 38.4°C | 23.4°C | 131 mm | 70% | 2.9 m/s | 5.1 |
| 2020 | 33.9°C | 29.5°C | 25.1°C | 36.5°C | 23.8°C | 85 mm | 72% | 3 m/s | 5.5 |
| 2019 | 34.6°C | 30.1°C | 25.5°C | 38.7°C | 23.8°C | 140 mm | 65% | 3.8 m/s | 5.2 |
| 2018 | 36.2°C | 31.0°C | 25.9°C | 39.0°C | 24.6°C | 44 mm | 59% | 4.3 m/s | 5.1 |
| 2017 | 33.6°C | 29.5°C | 25.3°C | 36.5°C | 23.8°C | 154 mm | 72% | 2.7 m/s | 5.5 |
| 2016 | 35.6°C | 30.5°C | 25.5°C | 38.3°C | 23.7°C | 96 mm | 63% | 3.3 m/s | 6.1 |
| 2015 | 35.7°C | 30.8°C | 26.0°C | 38.7°C | 24.3°C | 87 mm | 63% | 3 m/s | 6.1 |
| 2014 | 34.6°C | 30.1°C | 25.6°C | 37.7°C | 24.6°C | 90 mm | 64% | 3.4 m/s | 5.7 |
| 2013 | 34.7°C | 30.0°C | 25.4°C | 38.0°C | 24.1°C | 120 mm | 65% | 3.2 m/s | 5.6 |
| 2012 | 35.0°C | 30.2°C | 25.4°C | 38.3°C | 24.2°C | 78 mm | 63% | 3.4 m/s | 5.7 |
| 2011 | 34.9°C | 30.2°C | 25.4°C | 38.9°C | 23.5°C | 83 mm | 63% | 3.5 m/s | 5.9 |
| 2010 | 33.9°C | 29.5°C | 25.2°C | 38.6°C | 22.4°C | 146 mm | 69% | 3 m/s | 5.4 |
| 2009 | 35.2°C | 30.4°C | 25.7°C | 38.4°C | 24.5°C | 61 mm | 63% | 3.3 m/s | 5.8 |
| 2008 | 33.4°C | 29.2°C | 24.9°C | 36.3°C | 23.7°C | 119 mm | 70% | 2.9 m/s | 5.6 |
| 2007 | 33.8°C | 29.4°C | 24.9°C | 36.7°C | 24.1°C | 105 mm | 69% | 3.1 m/s | 6 |
| 2006 | 35.7°C | 30.7°C | 25.7°C | 39.1°C | 22.4°C | 113 mm | 61% | 4 m/s | 6 |
| 2005 🔥 | 36.7°C | 31.6°C | 26.5°C | 40.2°C | 25.1°C | 64 mm | 57% | 3.7 m/s | 6.2 |
| 2004 | 35.4°C | 30.2°C | 25.0°C | 38.8°C | 23.9°C | 35 mm | 63% | 3.9 m/s | 5.9 |
| 2003 | 33.6°C | 29.2°C | 24.9°C | 36.7°C | 23.5°C | 115 mm | 72% | 3.3 m/s | 5.6 |
| 2002 | 36.4°C | 31.2°C | 26.1°C | 38.7°C | 24.8°C | 19 mm | 55% | 4.3 m/s | 5.8 |
| 2001 | 34.8°C | 29.8°C | 24.9°C | 37.3°C | 23.7°C | 53 mm | 67% | 3.7 m/s | 6.1 |
| 2000 | 33.7°C | 29.1°C | 24.5°C | 36.9°C | 23.8°C | 47 mm | 68% | 4 m/s | 5.5 |
| 1999 | 34.8°C | 30.1°C | 25.5°C | 39.2°C | 24.2°C | 43 mm | 62% | 3.4 m/s | 5.7 |
| 1998 ❄️ 🌧️ | 32.6°C | 28.8°C | 25.1°C | 37.5°C | 24.0°C | 165 mm | 76% | 2.7 m/s | 5.7 |
| 1997 | 35.8°C | 30.7°C | 25.6°C | 38.2°C | 23.7°C | 35 mm | 60% | 3.9 m/s | 5.1 |
| 1996 | 33.3°C | 28.9°C | 24.5°C | 38.0°C | 23.1°C | 136 mm | 69% | 3.5 m/s | 5 |
| 1995 | 33.9°C | 29.5°C | 25.0°C | 37.0°C | 23.7°C | 89 mm | 69% | 3.3 m/s | 5.5 |
| 1994 | 35.1°C | 30.3°C | 25.5°C | 38.1°C | 24.2°C | 26 mm | 61% | 4 m/s | 5.2 |
| 1993 | 35.0°C | 30.0°C | 25.1°C | 38.3°C | 24.0°C | 43 mm | 63% | 3.6 m/s | 5.4 |
| 1992 | 35.2°C | 30.2°C | 25.1°C | 38.6°C | 23.6°C | 26 mm | 61% | 4.3 m/s | 5.3 |
| 1991 | 34.7°C | 29.6°C | 24.5°C | 37.4°C | 23.6°C | 85 mm | 65% | 3.9 m/s | 5.2 |
| 1990 | 35.3°C | 30.2°C | 25.2°C | 39.3°C | 23.5°C | 74 mm | 60% | 4 m/s | 4.9 |
| 1989 | 36.2°C | 30.7°C | 25.2°C | 38.8°C | 23.9°C | 21 mm | 58% | 4.1 m/s | 5.5 |
| 1988 | 33.2°C | 29.1°C | 24.9°C | 38.0°C | 23.5°C | 78 mm | 70% | 3.1 m/s | 4.9 |
| 1987 | 34.4°C | 29.7°C | 25.1°C | 36.8°C | 23.9°C | 63 mm | 64% | 3.5 m/s | 5.5 |
| 1986 | 34.5°C | 29.5°C | 24.4°C | 37.9°C | 23.0°C | 125 mm | 65% | 3.7 m/s | 5.6 |
| 1985 | 34.8°C | 29.8°C | 24.8°C | 37.9°C | 23.6°C | 89 mm | 62% | 3.5 m/s | 5.4 |
| 1984 | 35.5°C | 29.9°C | 24.3°C | 38.6°C | 22.8°C | 65 mm | 62% | 3.8 m/s | 5.9 |
| 1983 | 35.1°C | 30.4°C | 25.7°C | 37.8°C | 23.9°C | 67 mm | 61% | 3.8 m/s | — |
| 1982 | 35.5°C | 30.4°C | 25.3°C | 39.7°C | 24.2°C | 22 mm | 58% | 4.1 m/s | — |
| 1981 | 34.4°C | 29.4°C | 24.5°C | 37.0°C | 23.7°C | 94 mm | 67% | 3.7 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 34.7°C with lows near 25.2°C (mean 30°C), based on 45 years of NASA POWER data.
August averages 84 mm of rainfall in Thanjavur, about average for rainfall. The wettest on record was 165 mm in 1998.
The hottest August reached 40.2°C in 2005. The coldest dipped to 22.4°C in 2006.
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 24.9°C to 25.5°C while daytime highs eased from 35.1°C to 34.3°C, narrowing the gap between day and night.
August is one of the warmer months of the year in Thanjavur and about average for rainfall, so plan for around 34.7°C daytime highs and 25.2°C at night.
Not quite — August is the 8th coolest month in Thanjavur, averaging 30°C.
For August in Thanjavur, pack light, breathable clothing and sun protection, with typical highs of 34.7°C and lows of 25.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 65% — moderately humid.
Average wind speed in August is 3.5 m/s. The windiest August on record averaged 4.3 m/s (1992).
The wettest August on record was 1998 with 165 mm. On average, August sees 84 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 Thanjavur 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.
