October is one of the cooler months of the year in Namakkal, with average highs near 35°C and lows around 20.2°C (mean 27.6°C). It is a relatively wet time of year, averaging 145 mm of rainfall and 77% relative humidity across the period.
October is one of the cooler months of the year in Namakkal. Across 45 years of records, the warmest October in Namakkal was 2016 — when the month averaged 30.8°C — while the coldest was 2000 at 24.5°C. Typical October days reach 35°C with nights near 20.2°C. The long-term trend is warming, about 0.4°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.0°C | 27.3°C | 27.8°C | 28.1°C | 28.1°C | +1.1°C |
| Avg High | 34.3°C | 34.5°C | 35.6°C | 35.5°C | 35.3°C | +1°C |
| Avg Low | 19.6°C | 20.2°C | 20.1°C | 20.7°C | 20.9°C | +1.3°C |
| Avg Rain | 115 mm | 138 mm | 169 mm | 139 mm | 170 mm | +55 mm |
October temperatures in Namakkal have risen by about 1.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 15.6°C (2000) to a record high of 39.2°C (2016).
Rainfall in October is a relatively wet time of year, averaging 145 mm, with a wettest year of 319 mm.
A good time to visit Namakkal
October is a good time to visit Namakkal, with days averaging 35°C and nights around 20.2°C (mean 27.6°C, close to Namakkal's yearly average) and higher rainfall. January and December are marginally more temperate, but October still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 36.8°C | 22.1°C | 29.5°C | 153 mm | 78% | 1.7 m/s | 4.5 |
| 2024 | 35.5°C | 20.6°C | 28.0°C | 273 mm | 82% | 1.3 m/s | 4.5 |
| 2023 | 37.4°C | 21.7°C | 29.6°C | 115 mm | 73% | 1.5 m/s | 4.9 |
| 2022 | 34.4°C | 18.6°C | 26.5°C | 155 mm | 79% | 1.6 m/s | 4.5 |
| 2021 | 32.8°C | 21.5°C | 27.1°C | 185 mm | 84% | 1.5 m/s | 4.4 |
| 2020 | 35.0°C | 20.9°C | 27.9°C | 138 mm | 78% | 2 m/s | 5 |
| 2019 | 33.3°C | 21.8°C | 27.6°C | 191 mm | 84% | 1.4 m/s | 4.8 |
| 2018 | 35.1°C | 19.2°C | 27.1°C | 104 mm | 76% | 1.6 m/s | 4.8 |
| 2017 | 32.9°C | 21.5°C | 27.2°C | 87 mm | 80% | 1.7 m/s | 4.6 |
| 2016 🔥 | 39.2°C | 22.4°C | 30.8°C | 47 mm | 60% | 1.7 m/s | 5.1 |
| 2015 | 35.5°C | 19.9°C | 27.7°C | 106 mm | 74% | 1.7 m/s | 5.3 |
| 2014 | 36.3°C | 20.4°C | 28.4°C | 183 mm | 77% | 1.6 m/s | 4.5 |
| 2013 | 36.1°C | 20.3°C | 28.2°C | 113 mm | 75% | 1.9 m/s | 5.2 |
| 2012 | 37.3°C | 20.6°C | 28.9°C | 238 mm | 79% | 1.9 m/s | 4.5 |
| 2011 | 34.0°C | 20.5°C | 27.3°C | 194 mm | 81% | 1.5 m/s | 4.9 |
| 2010 | 35.3°C | 19.9°C | 27.6°C | 130 mm | 77% | 2 m/s | 5 |
| 2009 | 37.4°C | 21.5°C | 29.5°C | 54 mm | 63% | 2.3 m/s | 5.3 |
| 2008 | 36.6°C | 17.5°C | 27.0°C | 163 mm | 75% | 1.5 m/s | 4.9 |
| 2007 | 36.8°C | 21.0°C | 28.9°C | 182 mm | 76% | 1.9 m/s | 4.6 |
| 2006 | 36.8°C | 21.2°C | 29.0°C | 176 mm | 78% | 2.1 m/s | 4.9 |
| 2005 🌧️ | 34.2°C | 21.7°C | 27.9°C | 319 mm | 82% | 1.4 m/s | 4.8 |
| 2004 | 33.0°C | 18.9°C | 25.9°C | 204 mm | 84% | 1.9 m/s | 4.7 |
| 2003 | 35.8°C | 21.0°C | 28.4°C | 171 mm | 81% | 1.6 m/s | 4.9 |
| 2002 | 37.7°C | 21.1°C | 29.4°C | 173 mm | 75% | 1.7 m/s | 4.5 |
| 2001 | 34.1°C | 21.1°C | 27.6°C | 115 mm | 78% | 1.9 m/s | 4.6 |
| 2000 ❄️ | 33.5°C | 15.6°C | 24.5°C | 134 mm | 77% | 1.7 m/s | 5.2 |
| 1999 | 32.7°C | 19.8°C | 26.3°C | 246 mm | 84% | 1.3 m/s | 4.7 |
| 1998 | 33.7°C | 19.6°C | 26.6°C | 74 mm | 79% | 1.9 m/s | 4.8 |
| 1997 | 35.6°C | 21.0°C | 28.3°C | 161 mm | 77% | 1.5 m/s | 4.5 |
| 1996 | 34.3°C | 18.4°C | 26.3°C | 71 mm | 77% | 2 m/s | 4.6 |
| 1995 | 36.0°C | 20.2°C | 28.1°C | 91 mm | 75% | 2 m/s | 4.7 |
| 1994 | 34.2°C | 20.9°C | 27.5°C | 187 mm | 81% | 1.6 m/s | 4.7 |
| 1993 | 35.4°C | 20.4°C | 27.9°C | 177 mm | 80% | 1.6 m/s | 4.3 |
| 1992 | 33.1°C | 19.6°C | 26.3°C | 81 mm | 80% | 1.5 m/s | 4.7 |
| 1991 | 33.6°C | 20.9°C | 27.2°C | 159 mm | 79% | 1.8 m/s | 4.5 |
| 1990 | 36.8°C | 20.9°C | 28.9°C | 134 mm | 73% | 2.3 m/s | 4.3 |
| 1989 | 35.1°C | 20.9°C | 28.0°C | 88 mm | 75% | 1.5 m/s | 4.9 |
| 1988 | 35.1°C | 20.4°C | 27.8°C | 47 mm | 71% | 1.6 m/s | 5.3 |
| 1987 | 34.8°C | 21.5°C | 28.1°C | 97 mm | 77% | 1.5 m/s | 4.7 |
| 1986 | 34.3°C | 19.7°C | 27.0°C | 92 mm | 76% | 1.6 m/s | 5 |
| 1985 | 34.8°C | 18.1°C | 26.5°C | 56 mm | 73% | 2 m/s | 5.1 |
| 1984 | 32.8°C | 16.4°C | 24.6°C | 174 mm | 80% | 1.7 m/s | 5 |
| 1983 | 33.9°C | 19.7°C | 26.8°C | 91 mm | 77% | 1.8 m/s | — |
| 1982 | 36.1°C | 20.1°C | 28.1°C | 112 mm | 69% | 1.6 m/s | — |
| 1981 | 31.7°C | 19.8°C | 25.7°C | 278 mm | 85% | 1.5 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 35°C with lows near 20.2°C (mean 27.6°C), based on 45 years of NASA POWER data.
October averages 145 mm of rainfall in Namakkal, a relatively wet time of year. The wettest on record was 319 mm in 2005.
The hottest October reached 39.2°C in 2016. The coldest dipped to 15.6°C in 2000.
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 33.9°C to 35.4°C and overnight lows from 18.8°C to 20.9°C over the same span.
October is one of the cooler months of the year in Namakkal and a relatively wet time of year, so plan for around 35°C daytime highs and 20.2°C at night.
Not quite — October is the 5th coolest month in Namakkal, averaging 27.6°C.
For October in Namakkal, pack light, breathable clothing and sun protection, with typical highs of 35°C and lows of 20.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 77% — quite humid.
Average wind speed in October is 1.7 m/s. The windiest October on record averaged 2.3 m/s (1990).
The wettest October on record was 2005 with 319 mm. On average, October sees 145 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 Namakkal 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.
