October is close to Thoothukudi's year-round average, with average highs near 34°C and lows around 22.6°C (mean 28.3°C). It is a relatively wet time of year, averaging 213 mm of rainfall and 80% relative humidity across the period.
October is close to Thoothukudi's year-round average. Across 45 years of records, the warmest October in Thoothukudi was 2016 — when the month averaged 31.1°C — while the coldest was 2000 at 25.5°C. Typical October days reach 34°C with nights near 22.6°C. The long-term trend is warming, about 0.7°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.3°C | 27.5°C | 28.0°C | 29.4°C | 29.7°C | +2.4°C |
| Avg High | 32.9°C | 32.6°C | 33.7°C | 35.6°C | 35.8°C | +2.9°C |
| Avg Low | 21.7°C | 22.5°C | 22.3°C | 23.3°C | 23.6°C | +1.9°C |
| Avg Rain | 166 mm | 255 mm | 260 mm | 192 mm | 167 mm | +1 mm |
October temperatures in Thoothukudi have risen by about 2.4°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 17.6°C (1984) to a record high of 38.6°C (2016).
Rainfall in October is a relatively wet time of year, averaging 213 mm, with a wettest year of 486 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.9°C per decade while lows rose 0.5°C per decade, widening the gap between day and night.
A quieter season to visit Thoothukudi
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Thoothukudi. That said, October — with days averaging 34°C and nights around 22.6°C (mean 28.3°C) and higher rainfall (213 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 | 35.9°C | 24.1°C | 30.0°C | 224 mm | 80% | 2.2 m/s | 4.9 |
| 2024 | 34.1°C | 23.7°C | 28.9°C | 136 mm | 79% | 2.3 m/s | 5 |
| 2023 | 36.1°C | 24.2°C | 30.2°C | 127 mm | 77% | 2.5 m/s | 5 |
| 2022 | 36.5°C | 23.0°C | 29.7°C | 160 mm | 75% | 2.5 m/s | 4.9 |
| 2021 | 34.2°C | 23.7°C | 29.0°C | 243 mm | 80% | 2.6 m/s | 4.9 |
| 2020 | 38.0°C | 23.0°C | 30.5°C | 114 mm | 73% | 3.1 m/s | 5.6 |
| 2019 | 32.6°C | 23.4°C | 28.0°C | 374 mm | 83% | 2 m/s | 4.6 |
| 2018 | 32.4°C | 22.9°C | 27.6°C | 229 mm | 81% | 1.9 m/s | 4.8 |
| 2017 | 35.6°C | 24.3°C | 30.0°C | 86 mm | 77% | 2.8 m/s | 5.2 |
| 2016 🔥 | 38.6°C | 23.6°C | 31.1°C | 72 mm | 65% | 2.8 m/s | 5.6 |
| 2015 | 35.0°C | 23.3°C | 29.2°C | 121 mm | 77% | 2.5 m/s | 5.3 |
| 2014 | 34.7°C | 23.2°C | 29.0°C | 292 mm | 81% | 2.3 m/s | 5.2 |
| 2013 | 37.6°C | 22.0°C | 29.8°C | 140 mm | 73% | 3.2 m/s | 6 |
| 2012 | 38.4°C | 23.4°C | 30.9°C | 253 mm | 78% | 2.6 m/s | 5.1 |
| 2011 | 36.7°C | 23.7°C | 30.2°C | 220 mm | 75% | 2.3 m/s | 5.5 |
| 2010 | 34.3°C | 22.9°C | 28.6°C | 139 mm | 79% | 3.1 m/s | 5.8 |
| 2009 | 37.0°C | 23.9°C | 30.5°C | 68 mm | 65% | 3.1 m/s | 5.8 |
| 2008 | 36.4°C | 21.8°C | 29.1°C | 188 mm | 76% | 2.5 m/s | 5.4 |
| 2007 | 34.8°C | 22.6°C | 28.7°C | 187 mm | 80% | 2.6 m/s | 5.3 |
| 2006 🌧️ | 31.8°C | 21.8°C | 26.8°C | 486 mm | 87% | 2.5 m/s | 5.2 |
| 2005 | 34.2°C | 22.3°C | 28.2°C | 274 mm | 83% | 2.4 m/s | 5.6 |
| 2004 | 31.4°C | 22.5°C | 27.0°C | 241 mm | 88% | 2.6 m/s | 5.4 |
| 2003 | 32.2°C | 22.7°C | 27.5°C | 417 mm | 86% | 2.5 m/s | 5.7 |
| 2002 | 35.6°C | 22.9°C | 29.3°C | 406 mm | 84% | 2.2 m/s | 5.3 |
| 2001 | 31.3°C | 23.1°C | 27.2°C | 186 mm | 86% | 2.6 m/s | 5.5 |
| 2000 ❄️ | 31.9°C | 19.2°C | 25.5°C | 144 mm | 83% | 2.8 m/s | 5.9 |
| 1999 | 31.6°C | 22.8°C | 27.2°C | 380 mm | 87% | 2.7 m/s | 5.3 |
| 1998 | 31.6°C | 22.0°C | 26.8°C | 283 mm | 87% | 2.8 m/s | 5.6 |
| 1997 | 32.1°C | 23.3°C | 27.7°C | 122 mm | 84% | 1.8 m/s | 4.5 |
| 1996 | 31.9°C | 19.9°C | 25.9°C | 250 mm | 84% | 2.5 m/s | 5 |
| 1995 | 34.3°C | 23.0°C | 28.7°C | 148 mm | 77% | 2.9 m/s | 4.7 |
| 1994 | 30.7°C | 22.9°C | 26.8°C | 347 mm | 87% | 2.1 m/s | 4.7 |
| 1993 | 32.7°C | 22.9°C | 27.8°C | 273 mm | 84% | 2.8 m/s | 4.5 |
| 1992 | 31.5°C | 22.1°C | 26.8°C | 277 mm | 85% | 2.4 m/s | 4.7 |
| 1991 | 33.1°C | 22.6°C | 27.9°C | 275 mm | 83% | 2.8 m/s | 4.7 |
| 1990 | 36.1°C | 23.2°C | 29.7°C | 198 mm | 76% | 2.6 m/s | 4.9 |
| 1989 | 30.9°C | 22.2°C | 26.6°C | 204 mm | 85% | 2.6 m/s | 5.2 |
| 1988 | 32.5°C | 22.8°C | 27.6°C | 31 mm | 80% | 2.1 m/s | 5.4 |
| 1987 | 31.2°C | 23.5°C | 27.3°C | 310 mm | 87% | 2.1 m/s | 4.7 |
| 1986 | 34.4°C | 21.6°C | 28.0°C | 73 mm | 75% | 2.3 m/s | 5.1 |
| 1985 | 33.5°C | 20.2°C | 26.8°C | 140 mm | 79% | 2.8 m/s | 5.2 |
| 1984 | 33.6°C | 17.6°C | 25.6°C | 183 mm | 78% | 2.9 m/s | 5.1 |
| 1983 | 34.8°C | 22.8°C | 28.8°C | 68 mm | 74% | 2.6 m/s | — |
| 1982 | 33.5°C | 22.1°C | 27.8°C | 148 mm | 78% | 1.9 m/s | — |
| 1981 | 31.4°C | 22.2°C | 26.8°C | 339 mm | 86% | 2.1 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 34°C with lows near 22.6°C (mean 28.3°C), based on 45 years of NASA POWER data.
October averages 213 mm of rainfall in Thoothukudi, a relatively wet time of year. The wettest on record was 486 mm in 2006.
The hottest October reached 38.6°C in 2016. The coldest dipped to 17.6°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.4°C. Daytime highs moved from 33.4°C to 35.4°C and overnight lows from 21°C to 23.7°C over the same span.
October is close to Thoothukudi's year-round average and a relatively wet time of year, so plan for around 34°C daytime highs and 22.6°C at night.
Not quite — October is the 5th coolest month in Thoothukudi, averaging 28.3°C.
For October in Thoothukudi, pack light, breathable clothing and sun protection, with typical highs of 34°C and lows of 22.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 80% — quite humid.
Average wind speed in October is 2.5 m/s. The windiest October on record averaged 3.2 m/s (2013).
The wettest October on record was 2006 with 486 mm. On average, October sees 213 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 Thoothukudi 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.
