August is one of the cooler months of the year in Thrissur, with average highs near 28.9°C and lows around 22.8°C (mean 25.9°C). It is a relatively wet time of year, averaging 300 mm of rainfall and 91% relative humidity across the period.
August is one of the cooler months of the year in Thrissur. Across 45 years of records, the warmest August in Thrissur was 2023 — when the month averaged 27.5°C — while the coldest were 1984, 1985 and 1996 at 25.2°C. Typical August days reach 28.9°C with nights near 22.8°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 | 25.5°C | 25.6°C | 25.9°C | 26.0°C | 26.7°C | +1.2°C |
| Avg High | 28.5°C | 28.5°C | 29.0°C | 29.0°C | 30.0°C | +1.5°C |
| Avg Low | 22.5°C | 22.6°C | 22.9°C | 22.9°C | 23.4°C | +0.9°C |
| Avg Rain | 308 mm | 259 mm | 274 mm | 351 mm | 312 mm | +4 mm |
August temperatures in Thrissur have risen by about 1.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 21.9°C (1986) to a record high of 31.2°C (2023).
Rainfall in August is a relatively wet time of year, averaging 300 mm, with a wettest year of 662 mm.
A good time to visit Thrissur
August is a good time to visit Thrissur, with days averaging 28.9°C and nights around 22.8°C (mean 25.9°C, cooler than Thrissur's yearly average) and higher rainfall. December and January are marginally more temperate, but August still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 29.4°C | 23.6°C | 26.5°C | 265 mm | 91% | 2.7 m/s | 4.2 |
| 2024 | 30.3°C | 23.7°C | 27.0°C | 254 mm | 91% | 2.4 m/s | 4.6 |
| 2023 🔥 | 31.2°C | 23.8°C | 27.5°C | 74 mm | 87% | 2.2 m/s | 5.7 |
| 2022 | 29.9°C | 22.7°C | 26.3°C | 513 mm | 91% | 2.5 m/s | 4.4 |
| 2021 | 29.3°C | 22.9°C | 26.1°C | 325 mm | 90% | 2.2 m/s | 4.5 |
| 2020 | 29.8°C | 23.5°C | 26.7°C | 439 mm | 90% | 2.5 m/s | 4.6 |
| 2019 🌧️ | 28.4°C | 23.2°C | 25.8°C | 662 mm | 91% | 2.6 m/s | 3.7 |
| 2018 | 28.5°C | 22.6°C | 25.5°C | 546 mm | 92% | 2.8 m/s | 4 |
| 2017 | 29.5°C | 23.2°C | 26.3°C | 353 mm | 92% | 2.3 m/s | 4.3 |
| 2016 | 29.1°C | 22.9°C | 26.0°C | 159 mm | 90% | 2.7 m/s | 4.8 |
| 2015 | 30.1°C | 23.1°C | 26.6°C | 154 mm | 90% | 2.2 m/s | 5 |
| 2014 | 28.9°C | 22.9°C | 25.9°C | 553 mm | 91% | 2.5 m/s | 4.2 |
| 2013 | 28.8°C | 22.6°C | 25.7°C | 235 mm | 91% | 2.6 m/s | 4.5 |
| 2012 | 29.4°C | 23.2°C | 26.3°C | 294 mm | 90% | 2.6 m/s | 4.1 |
| 2011 | 28.5°C | 22.8°C | 25.6°C | 331 mm | 91% | 2.5 m/s | 4.1 |
| 2010 | 28.8°C | 22.7°C | 25.8°C | 226 mm | 92% | 2.7 m/s | 4.1 |
| 2009 | 29.0°C | 23.0°C | 26.0°C | 178 mm | 90% | 2.6 m/s | 4.7 |
| 2008 | 29.5°C | 22.4°C | 25.9°C | 255 mm | 91% | 2.2 m/s | 4.7 |
| 2007 | 28.8°C | 22.8°C | 25.8°C | 350 mm | 91% | 2.4 m/s | 4.3 |
| 2006 | 29.3°C | 22.9°C | 26.1°C | 346 mm | 90% | 2.5 m/s | 4.7 |
| 2005 | 29.7°C | 23.1°C | 26.4°C | 184 mm | 90% | 2.6 m/s | 4.9 |
| 2004 | 28.6°C | 22.5°C | 25.6°C | 248 mm | 91% | 2.9 m/s | 4.6 |
| 2003 | 28.4°C | 23.4°C | 25.9°C | 237 mm | 90% | 2.7 m/s | 4.6 |
| 2002 | 28.9°C | 22.7°C | 25.8°C | 381 mm | 91% | 2.6 m/s | 4.1 |
| 2001 | 28.7°C | 22.9°C | 25.8°C | 168 mm | 91% | 2.8 m/s | 4.2 |
| 2000 | 29.0°C | 22.9°C | 25.9°C | 397 mm | 90% | 3.3 m/s | 4 |
| 1999 | 28.2°C | 22.5°C | 25.3°C | 123 mm | 91% | 2.5 m/s | 4.9 |
| 1998 | 29.1°C | 22.6°C | 25.9°C | 249 mm | 91% | 2.6 m/s | 4.5 |
| 1997 | 28.7°C | 22.7°C | 25.7°C | 402 mm | 91% | 2.8 m/s | 4.3 |
| 1996 | 27.8°C | 22.6°C | 25.2°C | 244 mm | 92% | 2.9 m/s | 4.4 |
| 1995 | 28.4°C | 23.2°C | 25.8°C | 294 mm | 91% | 2.9 m/s | 4.4 |
| 1994 | 28.7°C | 22.6°C | 25.7°C | 323 mm | 91% | 2.8 m/s | 4.7 |
| 1993 | 28.6°C | 22.5°C | 25.6°C | 140 mm | 90% | 2.9 m/s | 4.8 |
| 1992 | 28.0°C | 22.9°C | 25.4°C | 290 mm | 92% | 3.1 m/s | 4.4 |
| 1991 | 28.4°C | 22.7°C | 25.6°C | 359 mm | 90% | 2.8 m/s | 4.1 |
| 1990 | 29.1°C | 21.9°C | 25.5°C | 166 mm | 90% | 3 m/s | 4.3 |
| 1989 | 28.6°C | 22.6°C | 25.6°C | 188 mm | 90% | 2.9 m/s | 4.7 |
| 1988 | 28.4°C | 22.8°C | 25.6°C | 341 mm | 91% | 2.8 m/s | 4.4 |
| 1987 | 29.0°C | 23.0°C | 26.0°C | 373 mm | 88% | 2.8 m/s | 4.4 |
| 1986 | 28.8°C | 21.9°C | 25.4°C | 267 mm | 90% | 2.9 m/s | 4.7 |
| 1985 | 28.1°C | 22.2°C | 25.2°C | 222 mm | 91% | 2.8 m/s | 4.3 |
| 1984 ❄️ | 28.4°C | 22.0°C | 25.2°C | 181 mm | 90% | 2.8 m/s | 5 |
| 1983 | 28.3°C | 22.7°C | 25.5°C | 313 mm | 91% | 2.5 m/s | — |
| 1982 | 28.4°C | 22.6°C | 25.5°C | 437 mm | 91% | 2.7 m/s | — |
| 1981 | 28.2°C | 22.5°C | 25.3°C | 448 mm | 91% | 2.9 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 28.9°C with lows near 22.8°C (mean 25.9°C), based on 45 years of NASA POWER data.
August averages 300 mm of rainfall in Thrissur, a relatively wet time of year. The wettest on record was 662 mm in 2019.
The hottest August reached 31.2°C in 2023. The coldest dipped to 21.9°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.4°C. Daytime highs moved from 28.3°C to 30°C and overnight lows from 22.4°C to 23.3°C over the same span.
August is one of the cooler months of the year in Thrissur and a relatively wet time of year, so plan for around 28.9°C daytime highs and 22.8°C at night.
Not quite — August is the 3rd coolest month in Thrissur, averaging 25.9°C.
For August in Thrissur, pack light layers you can adjust through the day, with typical highs of 28.9°C and lows of 22.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 91% — quite humid.
Average wind speed in August is 2.7 m/s. The windiest August on record averaged 3.3 m/s (2000).
The wettest August on record was 2019 with 662 mm. On average, August sees 300 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 Thrissur 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.
