October is close to Kottayam's year-round average, with average highs near 29.8°C and lows around 25.1°C (mean 27.5°C). It is a relatively wet time of year, averaging 339 mm of rainfall and 82% relative humidity across the period.
October is close to Kottayam's year-round average. Across 45 years of records, the warmest October in Kottayam was 2025 — when the month averaged 28.4°C — while the coldest was 1984 at 26°C. Typical October days reach 29.8°C with nights near 25.1°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 | 27.1°C | 27.4°C | 27.5°C | 27.6°C | 27.9°C | +0.8°C |
| Avg High | 29.7°C | 29.7°C | 29.7°C | 30.0°C | 30.0°C | +0.3°C |
| Avg Low | 24.6°C | 25.1°C | 25.2°C | 25.3°C | 25.7°C | +1.1°C |
| Avg Rain | 185 mm | 404 mm | 443 mm | 307 mm | 340 mm | +155 mm |
October temperatures in Kottayam have risen by about 1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 23°C (1984) to a record high of 31.2°C (2009).
Rainfall in October is a relatively wet time of year, averaging 339 mm, with a wettest year of 667 mm.
A quieter season to visit Kottayam
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Kottayam. That said, October — with days averaging 29.8°C and nights around 25.1°C (mean 27.5°C) and higher rainfall (339 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 🔥 | 30.5°C | 26.3°C | 28.4°C | 326 mm | 83% | 3.7 m/s | 4.8 |
| 2024 | 29.9°C | 25.7°C | 27.8°C | 268 mm | 82% | 2.6 m/s | 4.9 |
| 2023 | 30.4°C | 26.1°C | 28.3°C | 402 mm | 81% | 2.4 m/s | 5.1 |
| 2022 | 30.9°C | 25.3°C | 28.1°C | 237 mm | 82% | 2.9 m/s | 5.2 |
| 2021 | 29.2°C | 25.1°C | 27.1°C | 572 mm | 85% | 3.4 m/s | 4.4 |
| 2020 | 29.3°C | 25.4°C | 27.4°C | 237 mm | 82% | 3.7 m/s | 5.3 |
| 2019 | 30.0°C | 25.5°C | 27.8°C | 566 mm | 81% | 3.1 m/s | 4.9 |
| 2018 | 31.0°C | 25.0°C | 28.0°C | 364 mm | 80% | 2.5 m/s | 5.2 |
| 2017 | 29.7°C | 25.7°C | 27.7°C | 256 mm | 83% | 3.2 m/s | 5 |
| 2016 | 29.5°C | 25.1°C | 27.3°C | 153 mm | 79% | 3.5 m/s | 5.4 |
| 2015 | 30.4°C | 25.5°C | 27.9°C | 327 mm | 81% | 2.5 m/s | 4.9 |
| 2014 | 29.7°C | 25.2°C | 27.5°C | 317 mm | 83% | 2.9 m/s | 4.9 |
| 2013 | 29.1°C | 24.9°C | 27.0°C | 198 mm | 82% | 3.7 m/s | 5.3 |
| 2012 | 30.5°C | 25.3°C | 27.9°C | 201 mm | 81% | 2.9 m/s | 5.3 |
| 2011 | 31.0°C | 25.0°C | 28.0°C | 130 mm | 78% | 2.7 m/s | 5.5 |
| 2010 | 28.6°C | 25.6°C | 27.1°C | 556 mm | 83% | 4.2 m/s | 4.8 |
| 2009 | 31.2°C | 24.8°C | 28.0°C | 139 mm | 79% | 2.8 m/s | 5.5 |
| 2008 | 30.2°C | 25.9°C | 28.0°C | 349 mm | 79% | 2.9 m/s | 5 |
| 2007 | 29.1°C | 24.0°C | 26.6°C | 388 mm | 84% | 3.3 m/s | 4.9 |
| 2006 🌧️ | 29.7°C | 25.1°C | 27.4°C | 667 mm | 84% | 2.9 m/s | 4.7 |
| 2005 | 29.4°C | 25.5°C | 27.4°C | 478 mm | 84% | 3.6 m/s | 4.9 |
| 2004 | 30.5°C | 25.5°C | 28.0°C | 643 mm | 82% | 3.1 m/s | 5.1 |
| 2003 | 29.2°C | 25.7°C | 27.5°C | 614 mm | 83% | 3.4 m/s | 4.8 |
| 2002 | 29.2°C | 25.1°C | 27.1°C | 524 mm | 84% | 3.4 m/s | 4.6 |
| 2001 | 29.3°C | 25.4°C | 27.3°C | 437 mm | 85% | 3.7 m/s | 4.9 |
| 2000 | 29.3°C | 25.2°C | 27.2°C | 195 mm | 83% | 3.5 m/s | 4.9 |
| 1999 | 28.0°C | 24.9°C | 26.4°C | 597 mm | 88% | 4.2 m/s | 4.3 |
| 1998 | 28.4°C | 24.8°C | 26.6°C | 511 mm | 86% | 4.1 m/s | 4.3 |
| 1997 | 30.8°C | 25.9°C | 28.3°C | 209 mm | 81% | 2.3 m/s | 5.2 |
| 1996 | 28.7°C | 24.8°C | 26.8°C | 304 mm | 83% | 3.8 m/s | 4.8 |
| 1995 | 30.4°C | 25.3°C | 27.8°C | 227 mm | 82% | 3.2 m/s | 5 |
| 1994 | 30.1°C | 25.1°C | 27.6°C | 592 mm | 84% | 3 m/s | 4.8 |
| 1993 | 30.1°C | 25.1°C | 27.6°C | 640 mm | 84% | 3.3 m/s | 4.3 |
| 1992 | 29.7°C | 24.8°C | 27.2°C | 330 mm | 83% | 3.5 m/s | 4.6 |
| 1991 | 29.5°C | 25.1°C | 27.3°C | 311 mm | 82% | 3.5 m/s | 4.5 |
| 1990 | 31.1°C | 25.0°C | 28.0°C | 321 mm | 80% | 3.3 m/s | 5 |
| 1989 | 29.8°C | 24.2°C | 27.0°C | 388 mm | 85% | 3.4 m/s | 5.1 |
| 1988 | 29.5°C | 25.2°C | 27.3°C | 17 mm | 81% | 3.5 m/s | 5.8 |
| 1987 | 30.6°C | 25.7°C | 28.1°C | 306 mm | 83% | 2.7 m/s | 4.7 |
| 1986 | 29.5°C | 25.2°C | 27.3°C | 104 mm | 83% | 3.3 m/s | 4.9 |
| 1985 | 29.9°C | 23.4°C | 26.6°C | 168 mm | 80% | 3.4 m/s | 5.4 |
| 1984 ❄️ | 29.0°C | 23.0°C | 26.0°C | 291 mm | 81% | 3.5 m/s | 5.1 |
| 1983 | 29.4°C | 24.9°C | 27.1°C | 62 mm | 80% | 2.9 m/s | — |
| 1982 | 31.1°C | 25.4°C | 28.2°C | 83 mm | 77% | 2.2 m/s | — |
| 1981 | 28.7°C | 24.8°C | 26.7°C | 247 mm | 82% | 3.3 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 29.8°C with lows near 25.1°C (mean 27.5°C), based on 45 years of NASA POWER data.
October averages 339 mm of rainfall in Kottayam, a relatively wet time of year. The wettest on record was 667 mm in 2006.
The hottest October reached 31.2°C in 2009. The coldest dipped to 23°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 29.6°C to 30.2°C and overnight lows from 24.3°C to 25.7°C over the same span.
October is close to Kottayam's year-round average and a relatively wet time of year, so plan for around 29.8°C daytime highs and 25.1°C at night.
Not quite — October is the 4th coolest month in Kottayam, averaging 27.5°C.
For October in Kottayam, pack light layers you can adjust through the day, with typical highs of 29.8°C and lows of 25.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 82% — quite humid.
Average wind speed in October is 3.2 m/s. The windiest October on record averaged 4.2 m/s (1999).
The wettest October on record was 2006 with 667 mm. On average, October sees 339 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 Kottayam 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.
