October is one of the cooler months of the year in Thrissur, with average highs near 28.7°C and lows around 23.9°C (mean 26.3°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 2025 — when the month averaged 27.2°C — while the coldest was 1984 at 25.1°C. Typical October days reach 28.7°C with nights near 23.9°C. The long-term trend is warming, about 0.2°C per decade.
October is a relatively wet time of year in Thrissur, averaging 272 mm of rainfall. The wettest October on record was 1999 with 482 mm, while the driest was 1988 at 41 mm.
Relative humidity in Thrissur during October averages 87%. The most humid October was 1999 at 91%, and the least humid was 2016 at 82%.
October receives about 4.8 kWh/m²/day of solar energy in Thrissur. The sunniest October was 1988 at 5.5 kWh/m²/day, and the cloudiest was 2021 at 4.1.
Average wind speed in Thrissur during October is 1.7 m/s. The windiest October was 1998 at 2.3 m/s, while the calmest were 1982, 1997 and 2023 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.0°C | 26.1°C | 26.3°C | 26.6°C | 26.7°C | +0.7°C |
| Avg High | 28.6°C | 28.4°C | 28.6°C | 29.1°C | 29.0°C | +0.4°C |
| Avg Low | 23.5°C | 23.8°C | 23.9°C | 24.1°C | 24.4°C | +0.9°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.
A good time to visit Thrissur
October is a good time to visit Thrissur, with days averaging 28.7°C and nights around 23.9°C (mean 26.3°C, cooler than Thrissur's yearly average) and higher rainfall. December and January are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🔥 | 29.3°C | 27.2°C | 25.1°C | 31.3°C | 24.2°C | 313 mm | 88% | 1.8 m/s | 4.6 |
| 2024 | 29.1°C | 26.8°C | 24.6°C | 30.9°C | 22.3°C | 251 mm | 87% | 1.4 m/s | 4.6 |
| 2023 | 29.6°C | 27.0°C | 24.5°C | 31.4°C | 22.8°C | 297 mm | 85% | 1.3 m/s | 4.8 |
| 2022 | 28.8°C | 26.2°C | 23.7°C | 30.9°C | 21.6°C | 176 mm | 85% | 1.5 m/s | 4.7 |
| 2021 | 28.6°C | 26.6°C | 24.5°C | 29.9°C | 23.7°C | 473 mm | 89% | 1.7 m/s | 4.1 |
| 2020 | 28.7°C | 26.4°C | 24.0°C | 30.3°C | 22.7°C | 204 mm | 87% | 2 m/s | 5 |
| 2019 | 28.7°C | 26.6°C | 24.4°C | 30.5°C | 23.0°C | 479 mm | 87% | 1.6 m/s | 4.8 |
| 2018 | 29.5°C | 26.8°C | 24.0°C | 31.1°C | 22.4°C | 272 mm | 84% | 1.4 m/s | 5 |
| 2017 | 28.7°C | 26.5°C | 24.4°C | 30.4°C | 22.7°C | 193 mm | 87% | 1.6 m/s | 4.7 |
| 2016 | 30.1°C | 27.0°C | 23.8°C | 31.7°C | 22.6°C | 98 mm | 82% | 2 m/s | 4.9 |
| 2015 | 29.8°C | 27.1°C | 24.4°C | 31.4°C | 23.1°C | 204 mm | 84% | 1.4 m/s | 4.9 |
| 2014 | 28.7°C | 26.3°C | 24.0°C | 30.9°C | 21.9°C | 314 mm | 86% | 1.5 m/s | 4.6 |
| 2013 | 28.3°C | 26.1°C | 23.9°C | 30.1°C | 22.7°C | 198 mm | 87% | 2 m/s | 4.9 |
| 2012 | 29.6°C | 26.8°C | 24.0°C | 31.1°C | 22.8°C | 210 mm | 84% | 1.6 m/s | 5.1 |
| 2011 | 29.2°C | 26.5°C | 23.7°C | 30.6°C | 22.5°C | 200 mm | 85% | 1.6 m/s | 5.2 |
| 2010 | 28.1°C | 26.0°C | 24.0°C | 29.8°C | 23.1°C | 431 mm | 89% | 2.2 m/s | 4.4 |
| 2009 | 29.5°C | 26.6°C | 23.8°C | 32.1°C | 23.0°C | 113 mm | 84% | 1.7 m/s | 5.2 |
| 2008 | 29.3°C | 26.6°C | 23.9°C | 30.9°C | 21.9°C | 371 mm | 84% | 1.7 m/s | 4.9 |
| 2007 | 27.9°C | 25.8°C | 23.6°C | 30.0°C | 22.4°C | 343 mm | 88% | 1.8 m/s | 4.6 |
| 2006 | 28.2°C | 26.1°C | 23.9°C | 29.9°C | 23.2°C | 384 mm | 88% | 1.7 m/s | 4.5 |
| 2005 | 28.3°C | 26.2°C | 24.1°C | 30.6°C | 22.9°C | 368 mm | 89% | 1.9 m/s | 4.7 |
| 2004 | 28.9°C | 26.3°C | 23.7°C | 30.5°C | 21.7°C | 465 mm | 87% | 1.9 m/s | 5 |
| 2003 | 28.4°C | 26.2°C | 24.0°C | 30.6°C | 22.8°C | 351 mm | 88% | 1.8 m/s | 4.6 |
| 2002 | 28.8°C | 26.5°C | 24.2°C | 30.7°C | 23.5°C | 419 mm | 88% | 1.8 m/s | 4.3 |
| 2001 | 28.5°C | 26.2°C | 23.9°C | 31.2°C | 22.9°C | 292 mm | 87% | 1.9 m/s | 4.5 |
| 2000 | 28.4°C | 26.0°C | 23.6°C | 30.6°C | 19.9°C | 176 mm | 87% | 1.9 m/s | 4.9 |
| 1999 🌧️ | 27.3°C | 25.5°C | 23.8°C | 28.6°C | 22.8°C | 482 mm | 91% | 2.1 m/s | 4.4 |
| 1998 | 27.6°C | 25.6°C | 23.6°C | 29.3°C | 21.3°C | 331 mm | 90% | 2.3 m/s | 4.4 |
| 1997 | 29.0°C | 26.7°C | 24.4°C | 31.2°C | 23.4°C | 242 mm | 86% | 1.3 m/s | 4.9 |
| 1996 | 28.0°C | 25.6°C | 23.3°C | 29.0°C | 21.4°C | 256 mm | 88% | 2 m/s | 5 |
| 1995 | 28.6°C | 26.2°C | 23.8°C | 31.5°C | 22.1°C | 168 mm | 86% | 1.7 m/s | 5.3 |
| 1994 | 28.0°C | 25.9°C | 23.7°C | 30.4°C | 22.8°C | 434 mm | 89% | 1.7 m/s | 5.1 |
| 1993 | 28.1°C | 25.9°C | 23.7°C | 30.6°C | 22.1°C | 443 mm | 88% | 2 m/s | 4.4 |
| 1992 | 28.1°C | 25.8°C | 23.6°C | 30.3°C | 22.3°C | 247 mm | 88% | 1.8 m/s | 4.7 |
| 1991 | 28.8°C | 26.3°C | 23.8°C | 31.6°C | 23.4°C | 199 mm | 85% | 1.9 m/s | 4.8 |
| 1990 | 30.3°C | 27.1°C | 24.0°C | 34.4°C | 22.8°C | 260 mm | 82% | 1.7 m/s | 4.9 |
| 1989 | 28.0°C | 25.9°C | 23.8°C | 29.8°C | 22.9°C | 263 mm | 89% | 1.9 m/s | 5 |
| 1988 | 29.1°C | 26.4°C | 23.7°C | 30.6°C | 22.7°C | 41 mm | 86% | 1.8 m/s | 5.5 |
| 1987 | 28.6°C | 26.4°C | 24.2°C | 31.2°C | 23.0°C | 275 mm | 88% | 1.6 m/s | 5 |
| 1986 | 29.4°C | 26.6°C | 23.8°C | 32.2°C | 22.7°C | 90 mm | 85% | 1.8 m/s | 4.9 |
| 1985 | 28.5°C | 25.7°C | 22.9°C | 31.1°C | 21.1°C | 143 mm | 84% | 1.9 m/s | 5.2 |
| 1984 ❄️ | 27.7°C | 25.1°C | 22.5°C | 29.7°C | 18.5°C | 305 mm | 86% | 1.9 m/s | 5 |
| 1983 | 28.5°C | 26.0°C | 23.4°C | 29.9°C | 22.3°C | 112 mm | 86% | 1.6 m/s | — |
| 1982 | 29.2°C | 26.4°C | 23.7°C | 32.1°C | 22.2°C | 91 mm | 82% | 1.3 m/s | — |
| 1981 | 28.0°C | 25.7°C | 23.5°C | 29.8°C | 21.8°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 28.7°C with lows near 23.9°C (mean 26.3°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 28.4°C to 29.1°C and overnight lows from 23.2°C to 24.5°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 28.7°C daytime highs and 23.9°C at night.
Not quite — October is the 6th coolest month in Thrissur, averaging 26.3°C.
For October in Thrissur, pack light layers you can adjust through the day, with typical highs of 28.7°C and lows of 23.9°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.