August is one of the cooler months of the year in Pathanamthitta, with average highs near 28.2°C and lows around 20.4°C (mean 24.3°C). It is a relatively wet time of year, averaging 254 mm of rainfall and 90% relative humidity across the period.
August is one of the cooler months of the year in Pathanamthitta. Across 45 years of records, the warmest August in Pathanamthitta was 2023 — when the month averaged 25.6°C — while the coldest was 1997 at 22.9°C. Typical August days reach 28.2°C with nights near 20.4°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.0°C | 23.9°C | 24.4°C | 24.4°C | 25.1°C | +1.1°C |
| Avg High | 27.7°C | 27.6°C | 28.4°C | 28.3°C | 29.4°C | +1.7°C |
| Avg Low | 20.4°C | 20.2°C | 20.5°C | 20.5°C | 20.8°C | +0.4°C |
| Avg Rain | 260 mm | 226 mm | 246 mm | 281 mm | 257 mm | -3 mm |
August temperatures in Pathanamthitta have risen by about 1.2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 18.7°C (1997) to a record high of 30.7°C (2023).
Rainfall in August is a relatively wet time of year, averaging 254 mm, with a wettest year of 499 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.1°C per decade, widening the gap between day and night.
A good time to visit Pathanamthitta
August is a good time to visit Pathanamthitta, with days averaging 28.2°C and nights around 20.4°C (mean 24.3°C, close to Pathanamthitta's yearly average) and higher rainfall. January and December are marginally more temperate, but August still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 28.5°C | 21.2°C | 24.8°C | 224 mm | 92% | 0.9 m/s | 4.6 |
| 2024 | 29.1°C | 21.4°C | 25.2°C | 308 mm | 92% | 0.8 m/s | 4.8 |
| 2023 🔥 | 30.7°C | 20.5°C | 25.6°C | 95 mm | 86% | 0.8 m/s | 6 |
| 2022 | 30.0°C | 20.0°C | 25.0°C | 366 mm | 91% | 0.9 m/s | 4.4 |
| 2021 | 28.6°C | 20.8°C | 24.7°C | 288 mm | 90% | 0.8 m/s | 4.6 |
| 2020 | 29.2°C | 21.1°C | 25.1°C | 261 mm | 91% | 0.9 m/s | 4.8 |
| 2019 | 28.0°C | 21.1°C | 24.6°C | 465 mm | 91% | 0.9 m/s | 4 |
| 2018 | 27.4°C | 19.6°C | 23.5°C | 393 mm | 92% | 1.1 m/s | 4.4 |
| 2017 | 28.9°C | 20.9°C | 24.9°C | 273 mm | 91% | 0.8 m/s | 4.7 |
| 2016 | 27.6°C | 19.2°C | 23.4°C | 132 mm | 90% | 1 m/s | 5.3 |
| 2015 | 29.7°C | 21.2°C | 25.5°C | 134 mm | 89% | 0.8 m/s | 5.5 |
| 2014 🌧️ | 28.4°C | 20.6°C | 24.5°C | 499 mm | 91% | 0.9 m/s | 4.4 |
| 2013 | 28.0°C | 21.0°C | 24.5°C | 232 mm | 92% | 0.9 m/s | 4.9 |
| 2012 | 29.4°C | 21.0°C | 25.2°C | 255 mm | 88% | 0.9 m/s | 4.4 |
| 2011 | 28.0°C | 19.9°C | 24.0°C | 243 mm | 90% | 0.9 m/s | 4.3 |
| 2010 | 27.7°C | 20.1°C | 23.9°C | 186 mm | 92% | 1 m/s | 4.3 |
| 2009 | 29.2°C | 20.6°C | 24.9°C | 132 mm | 90% | 0.9 m/s | 5.1 |
| 2008 | 29.1°C | 19.4°C | 24.2°C | 233 mm | 91% | 0.8 m/s | 5.1 |
| 2007 | 27.5°C | 21.0°C | 24.2°C | 244 mm | 92% | 0.8 m/s | 4.6 |
| 2006 | 28.3°C | 19.9°C | 24.1°C | 322 mm | 91% | 0.8 m/s | 4.9 |
| 2005 | 29.8°C | 21.0°C | 25.4°C | 143 mm | 90% | 0.9 m/s | 5.5 |
| 2004 | 27.5°C | 20.6°C | 24.1°C | 205 mm | 91% | 1 m/s | 4.9 |
| 2003 | 27.4°C | 20.5°C | 24.0°C | 249 mm | 91% | 0.9 m/s | 4.7 |
| 2002 | 28.1°C | 20.5°C | 24.3°C | 384 mm | 90% | 0.9 m/s | 4.6 |
| 2001 | 28.2°C | 20.9°C | 24.6°C | 139 mm | 90% | 1 m/s | 4.7 |
| 2000 | 28.6°C | 20.7°C | 24.6°C | 408 mm | 89% | 1.1 m/s | 4.2 |
| 1999 | 27.7°C | 20.4°C | 24.0°C | 91 mm | 90% | 0.9 m/s | 5 |
| 1998 | 28.5°C | 20.0°C | 24.2°C | 283 mm | 90% | 0.9 m/s | 4.7 |
| 1997 ❄️ | 27.1°C | 18.7°C | 22.9°C | 356 mm | 92% | 1 m/s | 4.2 |
| 1996 | 26.9°C | 20.3°C | 23.6°C | 189 mm | 92% | 1 m/s | 4.3 |
| 1995 | 27.8°C | 20.7°C | 24.3°C | 257 mm | 91% | 1 m/s | 4.5 |
| 1994 | 28.4°C | 20.1°C | 24.2°C | 383 mm | 92% | 0.9 m/s | 4.4 |
| 1993 | 27.6°C | 20.6°C | 24.1°C | 64 mm | 89% | 1 m/s | 4.6 |
| 1992 | 26.8°C | 21.0°C | 23.9°C | 218 mm | 91% | 1.1 m/s | 4.3 |
| 1991 | 27.1°C | 20.5°C | 23.8°C | 329 mm | 91% | 1 m/s | 4.2 |
| 1990 | 27.7°C | 19.8°C | 23.8°C | 87 mm | 89% | 1.1 m/s | 4.7 |
| 1989 | 27.2°C | 20.2°C | 23.7°C | 136 mm | 90% | 1 m/s | 4.6 |
| 1988 | 27.6°C | 20.5°C | 24.1°C | 269 mm | 91% | 1 m/s | 4 |
| 1987 | 29.1°C | 20.3°C | 24.7°C | 472 mm | 88% | 1 m/s | 4.2 |
| 1986 | 28.3°C | 20.3°C | 24.3°C | 303 mm | 88% | 1 m/s | 5.1 |
| 1985 | 26.7°C | 20.0°C | 23.3°C | 140 mm | 90% | 1 m/s | 4.5 |
| 1984 | 27.5°C | 20.7°C | 24.1°C | 105 mm | 89% | 1 m/s | 5.4 |
| 1983 | 28.1°C | 20.6°C | 24.3°C | 187 mm | 88% | 0.9 m/s | — |
| 1982 | 27.4°C | 20.8°C | 24.1°C | 352 mm | 92% | 0.9 m/s | — |
| 1981 | 27.7°C | 20.0°C | 23.8°C | 378 mm | 91% | 1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 28.2°C with lows near 20.4°C (mean 24.3°C), based on 45 years of NASA POWER data.
August averages 254 mm of rainfall in Pathanamthitta, a relatively wet time of year. The wettest on record was 499 mm in 2014.
The hottest August reached 30.7°C in 2023. The coldest dipped to 18.7°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.2°C. Daytime highs moved from 27.5°C to 29.4°C and overnight lows from 20.4°C to 20.8°C over the same span.
August is one of the cooler months of the year in Pathanamthitta and a relatively wet time of year, so plan for around 28.2°C daytime highs and 20.4°C at night.
Not quite — August is the 5th coolest month in Pathanamthitta, averaging 24.3°C.
For August in Pathanamthitta, pack light layers you can adjust through the day, with typical highs of 28.2°C and lows of 20.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 90% — quite humid.
Average wind speed in August is 0.9 m/s. The windiest August on record averaged 1.1 m/s (1990).
The wettest August on record was 2014 with 499 mm. On average, August sees 254 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 Pathanamthitta 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.
