October is close to Nagapattinam's year-round average, with average highs near 29.8°C and lows around 26.5°C (mean 28.2°C). It is a relatively wet time of year, averaging 179 mm of rainfall and 79% relative humidity across the period.
October is close to Nagapattinam's year-round average. Across 45 years of records, the warmest October in Nagapattinam was 2009 — when the month averaged 29.3°C — while the coldest was 1981 at 27.3°C. Typical October days reach 29.8°C with nights near 26.5°C. The long-term trend is warming, about 0.2°C per decade.
October is a relatively wet time of year in Nagapattinam, averaging 179 mm of rainfall. The wettest October on record was 2012 with 391 mm, while the driest was 1988 at 48 mm.
Relative humidity in Nagapattinam during October averages 79%. The most humid October was 2021 at 84%, and the least humid was 2009 at 70%.
October receives about 4.7 kWh/m²/day of solar energy in Nagapattinam. The sunniest October was 2009 at 5.4 kWh/m²/day, and the cloudiest were 1987, 1993 and 2018 at 4.2.
Average wind speed in Nagapattinam during October is 3.3 m/s. The windiest October was 1991 at 4.3 m/s, while the calmest was 2016 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.1°C | 27.8°C | 28.1°C | 28.4°C | 28.4°C | +0.3°C |
| Avg High | 29.8°C | 29.4°C | 29.8°C | 30.0°C | 30.0°C | +0.2°C |
| Avg Low | 26.3°C | 26.3°C | 26.5°C | 26.9°C | 26.9°C | +0.6°C |
| Avg Rain | 137 mm | 168 mm | 201 mm | 201 mm | 188 mm | +51 mm |
October temperatures in Nagapattinam have risen by about 0.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 23.5°C (1984) to a record high of 33.7°C (2009).
Rainfall in October is a relatively wet time of year, averaging 179 mm, with a wettest year of 391 mm.
A quieter season to visit Nagapattinam
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Nagapattinam. That said, October — with days averaging 29.8°C and nights around 26.5°C (mean 28.2°C) and higher rainfall (179 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.6°C | 28.3°C | 27.0°C | 32.0°C | 26.2°C | 260 mm | 82% | 3 m/s | 4.5 |
| 2024 | 30.0°C | 28.6°C | 27.1°C | 32.9°C | 25.5°C | 184 mm | 81% | 2.7 m/s | 4.6 |
| 2023 | 31.0°C | 29.1°C | 27.2°C | 32.7°C | 26.7°C | 85 mm | 76% | 3.3 m/s | 4.9 |
| 2022 | 29.7°C | 28.1°C | 26.5°C | 32.0°C | 25.4°C | 191 mm | 79% | 2.8 m/s | 4.3 |
| 2021 | 29.2°C | 28.1°C | 26.9°C | 30.9°C | 25.6°C | 290 mm | 84% | 3.3 m/s | 4.4 |
| 2020 | 30.3°C | 28.3°C | 26.4°C | 32.0°C | 25.4°C | 118 mm | 80% | 3.5 m/s | 5 |
| 2019 | 28.8°C | 27.7°C | 26.7°C | 30.1°C | 25.8°C | 242 mm | 83% | 2.9 m/s | 4.6 |
| 2018 | 29.6°C | 28.2°C | 26.8°C | 31.8°C | 25.6°C | 183 mm | 80% | 3.5 m/s | 4.2 |
| 2017 | 30.3°C | 28.6°C | 27.0°C | 32.0°C | 26.1°C | 227 mm | 80% | 3.6 m/s | 4.5 |
| 2016 | 31.1°C | 29.1°C | 27.1°C | 33.2°C | 26.3°C | 62 mm | 71% | 2.6 m/s | 5.1 |
| 2015 | 30.2°C | 28.6°C | 27.0°C | 32.1°C | 26.0°C | 180 mm | 78% | 3.3 m/s | 5.1 |
| 2014 | 29.9°C | 28.4°C | 26.9°C | 32.9°C | 25.4°C | 227 mm | 78% | 3.3 m/s | 4.6 |
| 2013 | 30.3°C | 28.5°C | 26.8°C | 32.7°C | 25.8°C | 123 mm | 78% | 3.6 m/s | 5.3 |
| 2012 🌧️ | 29.4°C | 28.1°C | 26.7°C | 33.0°C | 25.1°C | 391 mm | 80% | 3.9 m/s | 4.5 |
| 2011 | 29.9°C | 28.4°C | 27.0°C | 31.3°C | 26.1°C | 224 mm | 78% | 2.8 m/s | 4.7 |
| 2010 | 30.4°C | 28.6°C | 26.7°C | 32.6°C | 25.5°C | 144 mm | 80% | 3.6 m/s | 5.2 |
| 2009 🔥 | 31.5°C | 29.3°C | 27.2°C | 33.7°C | 26.0°C | 59 mm | 70% | 3.7 m/s | 5.4 |
| 2008 | 29.8°C | 28.3°C | 26.7°C | 32.5°C | 25.2°C | 192 mm | 77% | 3.3 m/s | 5.1 |
| 2007 | 29.7°C | 28.1°C | 26.4°C | 33.1°C | 25.1°C | 269 mm | 78% | 3.2 m/s | 4.7 |
| 2006 | 29.9°C | 28.2°C | 26.5°C | 32.5°C | 24.4°C | 246 mm | 80% | 3.8 m/s | 4.8 |
| 2005 | 29.8°C | 28.2°C | 26.7°C | 31.8°C | 25.1°C | 254 mm | 81% | 3.2 m/s | 4.8 |
| 2004 | 28.8°C | 27.5°C | 26.1°C | 30.5°C | 24.7°C | 240 mm | 83% | 3.6 m/s | 4.5 |
| 2003 | 29.7°C | 28.2°C | 26.6°C | 32.5°C | 25.5°C | 180 mm | 81% | 3.7 m/s | 4.7 |
| 2002 | 29.7°C | 28.0°C | 26.4°C | 31.7°C | 24.6°C | 202 mm | 80% | 3.5 m/s | 4.7 |
| 2001 | 29.4°C | 27.9°C | 26.4°C | 31.9°C | 25.6°C | 194 mm | 81% | 3.5 m/s | 4.6 |
| 2000 | 29.2°C | 27.4°C | 25.7°C | 31.0°C | 24.0°C | 177 mm | 80% | 3.2 m/s | 5.2 |
| 1999 | 28.9°C | 27.5°C | 26.1°C | 31.3°C | 25.2°C | 191 mm | 82% | 2.7 m/s | 4.6 |
| 1998 | 29.3°C | 27.8°C | 26.3°C | 30.9°C | 25.4°C | 134 mm | 83% | 3.7 m/s | 4.8 |
| 1997 | 29.7°C | 28.2°C | 26.8°C | 32.3°C | 25.4°C | 153 mm | 78% | 3 m/s | 4.4 |
| 1996 | 29.4°C | 27.6°C | 25.9°C | 31.3°C | 24.5°C | 124 mm | 81% | 3.2 m/s | 4.6 |
| 1995 | 29.9°C | 28.2°C | 26.5°C | 32.0°C | 25.6°C | 117 mm | 80% | 3.5 m/s | 4.6 |
| 1994 | 29.1°C | 27.6°C | 26.1°C | 30.6°C | 25.0°C | 192 mm | 81% | 3.4 m/s | 4.8 |
| 1993 | 29.2°C | 27.7°C | 26.2°C | 31.7°C | 25.2°C | 216 mm | 81% | 3.3 m/s | 4.2 |
| 1992 | 29.0°C | 27.5°C | 26.0°C | 30.8°C | 24.2°C | 115 mm | 81% | 3.1 m/s | 4.5 |
| 1991 | 29.7°C | 28.0°C | 26.3°C | 32.1°C | 25.4°C | 207 mm | 80% | 4.3 m/s | 4.6 |
| 1990 | 29.9°C | 28.2°C | 26.4°C | 33.2°C | 25.9°C | 230 mm | 79% | 3.8 m/s | 4.5 |
| 1989 | 30.1°C | 28.4°C | 26.6°C | 32.5°C | 25.9°C | 100 mm | 77% | 2.8 m/s | 5 |
| 1988 | 30.9°C | 28.8°C | 26.7°C | 32.8°C | 25.8°C | 48 mm | 72% | 2.9 m/s | 5.3 |
| 1987 | 29.9°C | 28.4°C | 26.9°C | 32.1°C | 26.1°C | 163 mm | 80% | 3.5 m/s | 4.2 |
| 1986 | 29.8°C | 28.0°C | 26.3°C | 31.6°C | 25.4°C | 154 mm | 78% | 3.2 m/s | 4.6 |
| 1985 | 29.9°C | 27.9°C | 25.9°C | 32.5°C | 24.5°C | 121 mm | 77% | 4 m/s | 5.1 |
| 1984 | 29.1°C | 27.4°C | 25.6°C | 30.3°C | 23.5°C | 122 mm | 79% | 3.7 m/s | 4.9 |
| 1983 | 30.2°C | 28.2°C | 26.3°C | 31.9°C | 25.2°C | 111 mm | 77% | 3.4 m/s | — |
| 1982 | 29.7°C | 28.1°C | 26.5°C | 31.5°C | 25.5°C | 120 mm | 76% | 3 m/s | — |
| 1981 ❄️ | 28.6°C | 27.3°C | 26.1°C | 30.9°C | 25.4°C | 297 mm | 83% | 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 26.5°C (mean 28.2°C), based on 45 years of NASA POWER data.
October averages 179 mm of rainfall in Nagapattinam, a relatively wet time of year. The wettest on record was 391 mm in 2012.
The hottest October reached 33.7°C in 2009. The coldest dipped to 23.5°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.6°C. Daytime highs moved from 29.5°C to 29.9°C and overnight lows from 26.1°C to 26.9°C over the same span.
October is close to Nagapattinam's year-round average and a relatively wet time of year, so plan for around 29.8°C daytime highs and 26.5°C at night.
Not quite — October is the 5th coolest month in Nagapattinam, averaging 28.2°C.
For October in Nagapattinam, pack light layers you can adjust through the day, with typical highs of 29.8°C and lows of 26.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 79% — quite humid.
Average wind speed in October is 3.3 m/s. The windiest October on record averaged 4.3 m/s (1991).
The wettest October on record was 2012 with 391 mm. On average, October sees 179 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 Nagapattinam 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.
