October is close to Tirunelveli's year-round average, with average highs near 31.7°C and lows around 20.7°C (mean 26.2°C). It is a relatively wet time of year, averaging 236 mm of rainfall and 85% relative humidity across the period.
October is close to Tirunelveli's year-round average. Across 45 years of records, the warmest October in Tirunelveli was 2012 — when the month averaged 29°C — while the coldest was 1984 at 23.3°C. Typical October days reach 31.7°C with nights near 20.7°C. The long-term trend is warming, about 0.5°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.3°C | 25.6°C | 26.0°C | 27.2°C | 27.0°C | +1.7°C |
| Avg High | 31.1°C | 30.5°C | 31.3°C | 33.5°C | 32.2°C | +1.1°C |
| Avg Low | 19.6°C | 20.7°C | 20.6°C | 21.0°C | 21.8°C | +2.2°C |
| Avg Rain | 175 mm | 290 mm | 291 mm | 208 mm | 194 mm | +20 mm |
October temperatures in Tirunelveli have risen by about 1.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 14.9°C (1984) to a record high of 36.2°C (2012).
Rainfall in October is a relatively wet time of year, averaging 236 mm, with a wettest year of 560 mm.
A quieter season to visit Tirunelveli
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Tirunelveli. That said, October — with days averaging 31.7°C and nights around 20.7°C (mean 26.2°C) and higher rainfall (236 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 | 33.1°C | 22.1°C | 27.6°C | 242 mm | 86% | 2 m/s | 4.6 |
| 2024 | 32.0°C | 22.1°C | 27.0°C | 143 mm | 86% | 2 m/s | 4.8 |
| 2023 | 30.9°C | 22.1°C | 26.5°C | 262 mm | 87% | 1.7 m/s | 4.7 |
| 2022 | 33.8°C | 21.5°C | 27.6°C | 143 mm | 81% | 2.4 m/s | 4.9 |
| 2021 | 30.6°C | 21.5°C | 26.1°C | 302 mm | 88% | 2.4 m/s | 4.4 |
| 2020 | 32.8°C | 21.3°C | 27.1°C | 73 mm | 83% | 2.9 m/s | 5.4 |
| 2019 | 30.6°C | 21.2°C | 25.9°C | 329 mm | 87% | 1.7 m/s | 4.3 |
| 2018 | 32.9°C | 20.8°C | 26.8°C | 232 mm | 85% | 1.5 m/s | 4.6 |
| 2017 | 33.2°C | 22.1°C | 27.7°C | 103 mm | 83% | 2.4 m/s | 4.7 |
| 2016 | 36.2°C | 20.7°C | 28.4°C | 61 mm | 71% | 3 m/s | 5.5 |
| 2015 | 33.3°C | 21.2°C | 27.3°C | 196 mm | 82% | 1.8 m/s | 4.7 |
| 2014 | 31.4°C | 21.2°C | 26.3°C | 348 mm | 87% | 1.6 m/s | 4.6 |
| 2013 | 33.5°C | 19.4°C | 26.5°C | 154 mm | 81% | 2.8 m/s | 5.5 |
| 2012 🔥 | 36.2°C | 21.9°C | 29.0°C | 235 mm | 81% | 2.2 m/s | 4.6 |
| 2011 | 35.9°C | 21.5°C | 28.7°C | 192 mm | 76% | 2.4 m/s | 5.1 |
| 2010 | 31.4°C | 20.3°C | 25.8°C | 229 mm | 87% | 2.9 m/s | 5.1 |
| 2009 | 34.2°C | 21.2°C | 27.7°C | 82 mm | 77% | 2.3 m/s | 5.4 |
| 2008 | 33.8°C | 19.9°C | 26.8°C | 260 mm | 84% | 1.9 m/s | 4.9 |
| 2007 | 30.4°C | 20.4°C | 25.4°C | 226 mm | 88% | 2.2 m/s | 4.9 |
| 2006 🌧️ | 29.2°C | 20.4°C | 24.8°C | 560 mm | 90% | 2.1 m/s | 4.8 |
| 2005 | 30.8°C | 20.1°C | 25.5°C | 225 mm | 89% | 2.3 m/s | 5.2 |
| 2004 | 28.8°C | 21.7°C | 25.3°C | 219 mm | 91% | 2.4 m/s | 4.8 |
| 2003 | 31.0°C | 21.4°C | 26.2°C | 506 mm | 89% | 2.3 m/s | 4.9 |
| 2002 | 35.1°C | 21.6°C | 28.4°C | 469 mm | 88% | 1.9 m/s | 4.6 |
| 2001 | 29.4°C | 21.5°C | 25.5°C | 212 mm | 90% | 2.4 m/s | 5.1 |
| 2000 | 30.3°C | 17.5°C | 23.9°C | 154 mm | 87% | 2.5 m/s | 5.4 |
| 1999 | 29.5°C | 21.5°C | 25.5°C | 405 mm | 90% | 2.8 m/s | 4.6 |
| 1998 | 29.9°C | 19.6°C | 24.8°C | 378 mm | 91% | 2.8 m/s | 5 |
| 1997 | 29.9°C | 21.1°C | 25.5°C | 154 mm | 88% | 1.4 m/s | 4.5 |
| 1996 | 29.0°C | 18.4°C | 23.7°C | 356 mm | 89% | 2.4 m/s | 4.8 |
| 1995 | 31.2°C | 20.9°C | 26.0°C | 179 mm | 85% | 2.5 m/s | 4.8 |
| 1994 | 29.8°C | 21.6°C | 25.7°C | 363 mm | 90% | 1.7 m/s | 4.7 |
| 1993 | 29.7°C | 20.9°C | 25.3°C | 258 mm | 87% | 2.4 m/s | 4 |
| 1992 | 30.0°C | 20.0°C | 25.0°C | 316 mm | 88% | 2.3 m/s | 4.7 |
| 1991 | 31.0°C | 21.2°C | 26.1°C | 299 mm | 87% | 2.5 m/s | 4.6 |
| 1990 | 34.9°C | 21.4°C | 28.1°C | 194 mm | 79% | 2.1 m/s | 4.8 |
| 1989 | 28.9°C | 19.9°C | 24.4°C | 236 mm | 89% | 2.3 m/s | 5 |
| 1988 | 30.5°C | 19.8°C | 25.1°C | 17 mm | 86% | 2 m/s | 5.3 |
| 1987 | 29.7°C | 21.5°C | 25.6°C | 379 mm | 89% | 1.7 m/s | 4.5 |
| 1986 | 33.4°C | 20.1°C | 26.7°C | 58 mm | 78% | 2.1 m/s | 5 |
| 1985 | 30.9°C | 18.9°C | 24.9°C | 162 mm | 85% | 2.4 m/s | 5.2 |
| 1984 ❄️ | 31.7°C | 14.9°C | 23.3°C | 191 mm | 82% | 2.6 m/s | 4.9 |
| 1983 | 33.3°C | 20.4°C | 26.9°C | 61 mm | 79% | 2.3 m/s | — |
| 1982 | 31.9°C | 20.8°C | 26.3°C | 158 mm | 82% | 1.5 m/s | — |
| 1981 | 29.2°C | 19.9°C | 24.6°C | 308 mm | 89% | 1.8 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 31.7°C with lows near 20.7°C (mean 26.2°C), based on 45 years of NASA POWER data.
October averages 236 mm of rainfall in Tirunelveli, a relatively wet time of year. The wettest on record was 560 mm in 2006.
The hottest October reached 36.2°C in 2012. The coldest dipped to 14.9°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.8°C. Daytime highs moved from 31.4°C to 32.1°C and overnight lows from 19°C to 21.9°C over the same span.
October is close to Tirunelveli's year-round average and a relatively wet time of year, so plan for around 31.7°C daytime highs and 20.7°C at night.
Not quite — October is the 5th coolest month in Tirunelveli, averaging 26.2°C.
For October in Tirunelveli, pack light, breathable clothing and sun protection, with typical highs of 31.7°C and lows of 20.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 85% — quite humid.
Average wind speed in October is 2.2 m/s. The windiest October on record averaged 3 m/s (2016).
The wettest October on record was 2006 with 560 mm. On average, October sees 236 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 Tirunelveli 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.
