January is one of the cooler months of the year in Thoothukudi, with average highs near 32.9°C and lows around 18.7°C (mean 25.8°C). It is one of the drier months, averaging 28 mm of rainfall and 75% relative humidity across the period.
January is one of the cooler months of the year in Thoothukudi. Across 45 years of records, the warmest January in Thoothukudi was 1991 — when the month averaged 27.6°C — while the coldest was 2006 at 23.8°C. Typical January days reach 32.9°C with nights near 18.7°C. The long-term January temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.6°C | 25.8°C | 25.9°C | 25.9°C | 25.8°C | +0.2°C |
| Avg High | 32.7°C | 33.3°C | 33.2°C | 32.9°C | 31.9°C | -0.8°C |
| Avg Low | 18.6°C | 18.3°C | 18.6°C | 18.9°C | 19.6°C | +1°C |
| Avg Rain | 31 mm | 16 mm | 12 mm | 14 mm | 94 mm | +62 mm |
January temperatures in Thoothukudi have risen by about 0.4°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 16.1°C (1990) to a record high of 35.7°C (2008).
Rainfall in January is one of the drier months, averaging 28 mm, with a wettest year of 461 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit Thoothukudi
January is one of the best times to visit Thoothukudi. Expect days averaging 32.9°C and nights around 18.7°C (mean 25.8°C) — cooler than Thoothukudi's yearly average — with low rainfall (28 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 30.7°C | 19.8°C | 25.2°C | 32 mm | 83% | 3.5 m/s | 4.3 |
| 2024 | 32.3°C | 19.8°C | 26.1°C | 26 mm | 83% | 3.1 m/s | 4.6 |
| 2023 | 32.3°C | 18.7°C | 25.5°C | 13 mm | 75% | 3.3 m/s | 5.1 |
| 2022 | 33.4°C | 20.3°C | 26.8°C | 22 mm | 80% | 2.8 m/s | 5.4 |
| 2021 🌧️ | 29.5°C | 19.3°C | 24.4°C | 461 mm | 88% | 2.9 m/s | 4.5 |
| 2020 | 33.3°C | 19.6°C | 26.5°C | 8 mm | 79% | 2.9 m/s | 5.6 |
| 2019 | 34.1°C | 18.8°C | 26.4°C | 2 mm | 68% | 3.4 m/s | 5.6 |
| 2018 | 33.7°C | 18.9°C | 26.3°C | 4 mm | 72% | 3 m/s | 5.2 |
| 2017 | 33.7°C | 19.4°C | 26.5°C | 29 mm | 68% | 3.4 m/s | 5.2 |
| 2016 | 31.5°C | 18.7°C | 25.1°C | 1 mm | 82% | 3 m/s | 5.4 |
| 2015 | 32.0°C | 18.4°C | 25.2°C | 1 mm | 78% | 3 m/s | 5.6 |
| 2014 | 33.5°C | 19.9°C | 26.7°C | 30 mm | 72% | 3.6 m/s | 5 |
| 2013 | 34.2°C | 20.0°C | 27.1°C | 13 mm | 71% | 3.3 m/s | 5.2 |
| 2012 | 32.2°C | 18.2°C | 25.2°C | 16 mm | 73% | 3.1 m/s | 5.8 |
| 2011 | 31.1°C | 17.7°C | 24.4°C | 11 mm | 83% | 3.3 m/s | 4.6 |
| 2010 | 32.9°C | 18.5°C | 25.7°C | 27 mm | 77% | 3.3 m/s | 5.3 |
| 2009 | 33.5°C | 18.8°C | 26.2°C | 5 mm | 73% | 3.5 m/s | 5.3 |
| 2008 | 35.7°C | 18.1°C | 26.9°C | 2 mm | 73% | 3.3 m/s | 5.5 |
| 2007 | 32.6°C | 18.8°C | 25.7°C | 5 mm | 77% | 3.6 m/s | 5.2 |
| 2006 ❄️ | 30.0°C | 17.7°C | 23.8°C | 32 mm | 83% | 3.1 m/s | 5 |
| 2005 | 33.1°C | 17.9°C | 25.5°C | 16 mm | 76% | 3.1 m/s | 5.2 |
| 2004 | 34.4°C | 19.3°C | 26.8°C | 2 mm | 72% | 3.3 m/s | 5.8 |
| 2003 | 32.9°C | 19.6°C | 26.3°C | 22 mm | 74% | 3.5 m/s | 5.2 |
| 2002 | 33.7°C | 17.9°C | 25.8°C | 3 mm | 77% | 3 m/s | 5.2 |
| 2001 | 32.4°C | 19.6°C | 26.0°C | 25 mm | 75% | 3.4 m/s | 4.7 |
| 2000 | 33.5°C | 18.2°C | 25.9°C | 8 mm | 76% | 3.5 m/s | 5.1 |
| 1999 | 31.2°C | 17.8°C | 24.5°C | 17 mm | 82% | 3.1 m/s | 5.1 |
| 1998 | 33.6°C | 19.9°C | 26.7°C | 2 mm | 78% | 3.2 m/s | 4.9 |
| 1997 | 33.8°C | 17.5°C | 25.7°C | 2 mm | 71% | 3.2 m/s | 5.1 |
| 1996 | 34.0°C | 18.9°C | 26.4°C | 26 mm | 66% | 3.7 m/s | 4.6 |
| 1995 | 34.0°C | 19.0°C | 26.5°C | 5 mm | 69% | 3.5 m/s | 4.5 |
| 1994 | 30.7°C | 17.9°C | 24.3°C | 37 mm | 85% | 3.1 m/s | 4.8 |
| 1993 | 32.7°C | 17.6°C | 25.1°C | 0 mm | 76% | 3.2 m/s | 4.7 |
| 1992 | 34.0°C | 18.3°C | 26.1°C | 14 mm | 69% | 3.7 m/s | 4.9 |
| 1991 🔥 | 35.3°C | 19.9°C | 27.6°C | 4 mm | 69% | 3.2 m/s | 4.6 |
| 1990 | 33.4°C | 16.1°C | 24.8°C | 48 mm | 71% | 3.2 m/s | 5 |
| 1989 | 34.2°C | 18.9°C | 26.5°C | 3 mm | 67% | 3.6 m/s | 4.3 |
| 1988 | 31.7°C | 18.7°C | 25.2°C | 1 mm | 80% | 3 m/s | 4.9 |
| 1987 | 34.2°C | 18.3°C | 26.3°C | 6 mm | 66% | 3.6 m/s | 4.8 |
| 1986 | 33.9°C | 19.6°C | 26.7°C | 19 mm | 75% | 3.2 m/s | 4.5 |
| 1985 | 32.6°C | 18.8°C | 25.7°C | 92 mm | 78% | 3 m/s | 4.6 |
| 1984 | 28.8°C | 19.1°C | 23.9°C | 97 mm | 87% | 3 m/s | 4 |
| 1983 | 34.8°C | 18.1°C | 26.4°C | 0 mm | 68% | 3.4 m/s | — |
| 1982 | 31.7°C | 18.1°C | 24.9°C | 0 mm | 77% | 3.1 m/s | — |
| 1981 | 32.4°C | 17.9°C | 25.2°C | 65 mm | 74% | 2.8 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 32.9°C with lows near 18.7°C (mean 25.8°C), based on 45 years of NASA POWER data.
January averages 28 mm of rainfall in Thoothukudi, one of the drier months. The wettest on record was 461 mm in 2021.
The hottest January reached 35.7°C in 2008. The coldest dipped to 16.1°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.4°C. Daytime highs moved from 32.1°C to 31.6°C and overnight lows from 18.4°C to 19.6°C over the same span.
January is one of the cooler months of the year in Thoothukudi and one of the drier months, so plan for around 32.9°C daytime highs and 18.7°C at night.
Not quite — January is the 2nd coolest month in Thoothukudi, averaging 25.8°C.
For January in Thoothukudi, pack light, breathable clothing and sun protection, with typical highs of 32.9°C and lows of 18.7°C.
Relative humidity in January averages 75% — quite humid.
Average wind speed in January is 3.2 m/s. The windiest January on record averaged 3.7 m/s (1992).
The wettest January on record was 2021 with 461 mm. On average, January sees 28 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 January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
