October is one of the cooler months of the year in Thrissur, with average highs near 30.7°C and lows around 22.4°C (mean 26.6°C). It is a relatively wet time of year, averaging 272 mm of rainfall and 87% relative humidity across the period.
October is one of the cooler months of the year in Thrissur. Across 45 years of records, the warmest October in Thrissur was 1990 — when the month averaged 28.6°C — while the coldest was 1984 at 24.1°C. Typical October days reach 30.7°C with nights near 22.4°C. The long-term October temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.3°C | 26.6°C | 26.6°C | 26.7°C | 26.8°C | +0.5°C |
| Avg High | 30.7°C | 30.7°C | 30.7°C | 30.8°C | 30.8°C | +0.1°C |
| Avg Low | 21.9°C | 22.4°C | 22.4°C | 22.7°C | 22.9°C | +1°C |
| Avg Rain | 174 mm | 306 mm | 328 mm | 260 mm | 286 mm | +111 mm |
October temperatures in Thrissur have risen by about 1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 18.5°C (1984) to a record high of 34.4°C (1990).
Rainfall in October is a relatively wet time of year, averaging 272 mm, with a wettest year of 482 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Thrissur
October is a good time to visit Thrissur, with days averaging 30.7°C and nights around 22.4°C (mean 26.6°C, close to Thrissur's yearly average) and higher rainfall. December and January are marginally more temperate, but October still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 31.3°C | 24.2°C | 27.7°C | 313 mm | 88% | 1.8 m/s | 4.6 |
| 2024 | 30.9°C | 22.3°C | 26.6°C | 251 mm | 87% | 1.4 m/s | 4.6 |
| 2023 | 31.4°C | 22.8°C | 27.1°C | 297 mm | 85% | 1.3 m/s | 4.8 |
| 2022 | 30.9°C | 21.6°C | 26.2°C | 176 mm | 85% | 1.5 m/s | 4.7 |
| 2021 | 29.9°C | 23.7°C | 26.8°C | 473 mm | 89% | 1.7 m/s | 4.1 |
| 2020 | 30.3°C | 22.7°C | 26.5°C | 204 mm | 87% | 2 m/s | 5 |
| 2019 | 30.5°C | 23.0°C | 26.8°C | 479 mm | 87% | 1.6 m/s | 4.8 |
| 2018 | 31.1°C | 22.4°C | 26.7°C | 272 mm | 84% | 1.4 m/s | 5 |
| 2017 | 30.4°C | 22.7°C | 26.6°C | 193 mm | 87% | 1.6 m/s | 4.7 |
| 2016 | 31.7°C | 22.6°C | 27.1°C | 98 mm | 82% | 2 m/s | 4.9 |
| 2015 | 31.4°C | 23.1°C | 27.2°C | 204 mm | 84% | 1.4 m/s | 4.9 |
| 2014 | 30.9°C | 21.9°C | 26.4°C | 314 mm | 86% | 1.5 m/s | 4.6 |
| 2013 | 30.1°C | 22.7°C | 26.4°C | 198 mm | 87% | 2 m/s | 4.9 |
| 2012 | 31.1°C | 22.8°C | 27.0°C | 210 mm | 84% | 1.6 m/s | 5.1 |
| 2011 | 30.6°C | 22.5°C | 26.5°C | 200 mm | 85% | 1.6 m/s | 5.2 |
| 2010 | 29.8°C | 23.1°C | 26.4°C | 431 mm | 89% | 2.2 m/s | 4.4 |
| 2009 | 32.1°C | 23.0°C | 27.5°C | 113 mm | 84% | 1.7 m/s | 5.2 |
| 2008 | 30.9°C | 21.9°C | 26.4°C | 371 mm | 84% | 1.7 m/s | 4.9 |
| 2007 | 30.0°C | 22.4°C | 26.2°C | 343 mm | 88% | 1.8 m/s | 4.6 |
| 2006 | 29.9°C | 23.2°C | 26.6°C | 384 mm | 88% | 1.7 m/s | 4.5 |
| 2005 | 30.6°C | 22.9°C | 26.8°C | 368 mm | 89% | 1.9 m/s | 4.7 |
| 2004 | 30.5°C | 21.7°C | 26.1°C | 465 mm | 87% | 1.9 m/s | 5 |
| 2003 | 30.6°C | 22.8°C | 26.7°C | 351 mm | 88% | 1.8 m/s | 4.6 |
| 2002 | 30.7°C | 23.5°C | 27.1°C | 419 mm | 88% | 1.8 m/s | 4.3 |
| 2001 | 31.2°C | 22.9°C | 27.0°C | 292 mm | 87% | 1.9 m/s | 4.5 |
| 2000 | 30.6°C | 19.9°C | 25.2°C | 176 mm | 87% | 1.9 m/s | 4.9 |
| 1999 🌧️ | 28.6°C | 22.8°C | 25.7°C | 482 mm | 91% | 2.1 m/s | 4.4 |
| 1998 | 29.3°C | 21.3°C | 25.3°C | 331 mm | 90% | 2.3 m/s | 4.4 |
| 1997 | 31.2°C | 23.4°C | 27.3°C | 242 mm | 86% | 1.3 m/s | 4.9 |
| 1996 | 29.0°C | 21.4°C | 25.2°C | 256 mm | 88% | 2 m/s | 5 |
| 1995 | 31.5°C | 22.1°C | 26.8°C | 168 mm | 86% | 1.7 m/s | 5.3 |
| 1994 | 30.4°C | 22.8°C | 26.6°C | 434 mm | 89% | 1.7 m/s | 5.1 |
| 1993 | 30.6°C | 22.1°C | 26.4°C | 443 mm | 88% | 2 m/s | 4.4 |
| 1992 | 30.3°C | 22.3°C | 26.3°C | 247 mm | 88% | 1.8 m/s | 4.7 |
| 1991 | 31.6°C | 23.4°C | 27.5°C | 199 mm | 85% | 1.9 m/s | 4.8 |
| 1990 🔥 | 34.4°C | 22.8°C | 28.6°C | 260 mm | 82% | 1.7 m/s | 4.9 |
| 1989 | 29.8°C | 22.9°C | 26.4°C | 263 mm | 89% | 1.9 m/s | 5 |
| 1988 | 30.6°C | 22.7°C | 26.7°C | 41 mm | 86% | 1.8 m/s | 5.5 |
| 1987 | 31.2°C | 23.0°C | 27.1°C | 275 mm | 88% | 1.6 m/s | 5 |
| 1986 | 32.2°C | 22.7°C | 27.5°C | 90 mm | 85% | 1.8 m/s | 4.9 |
| 1985 | 31.1°C | 21.1°C | 26.1°C | 143 mm | 84% | 1.9 m/s | 5.2 |
| 1984 ❄️ | 29.7°C | 18.5°C | 24.1°C | 305 mm | 86% | 1.9 m/s | 5 |
| 1983 | 29.9°C | 22.3°C | 26.1°C | 112 mm | 86% | 1.6 m/s | — |
| 1982 | 32.1°C | 22.2°C | 27.2°C | 91 mm | 82% | 1.3 m/s | — |
| 1981 | 29.8°C | 21.8°C | 25.8°C | 248 mm | 87% | 1.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 30.7°C with lows near 22.4°C (mean 26.6°C), based on 45 years of NASA POWER data.
October averages 272 mm of rainfall in Thrissur, a relatively wet time of year. The wettest on record was 482 mm in 1999.
The hottest October reached 34.4°C in 1990. The coldest dipped to 18.5°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1°C. Daytime highs moved from 30.5°C to 30.9°C and overnight lows from 21.2°C to 22.9°C over the same span.
October is one of the cooler months of the year in Thrissur and a relatively wet time of year, so plan for around 30.7°C daytime highs and 22.4°C at night.
Not quite — October is the 6th coolest month in Thrissur, averaging 26.6°C.
For October in Thrissur, pack light, breathable clothing and sun protection, with typical highs of 30.7°C and lows of 22.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 87% — quite humid.
Average wind speed in October is 1.7 m/s. The windiest October on record averaged 2.3 m/s (1998).
The wettest October on record was 1999 with 482 mm. On average, October sees 272 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 October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
