January is one of the cooler months of the year in Thoothukudi, with average highs near 30.8°C and lows around 21.2°C (mean 26°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 1999 at 24.4°C. Typical January days reach 30.8°C with nights near 21.2°C. The long-term January temperature trend is broadly flat.
January is one of the drier months in Thoothukudi, averaging 28 mm of rainfall. The wettest January on record was 2021 with 461 mm, while the driest were 1982 and 1983 at 0 mm.
Relative humidity in Thoothukudi during January averages 75%. The most humid January was 2021 at 88%, and the least humid was 1987 at 66%.
January receives about 5 kWh/m²/day of solar energy in Thoothukudi. The sunniest Januarys were 2004 and 2012 at 5.8 kWh/m²/day, and the cloudiest was 1984 at 4.
Average wind speed in Thoothukudi during January is 3.2 m/s. The windiest Januarys were 1992 and 1996 at 3.7 m/s, while the calmest were 1981 and 2022 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 25.9°C | 26.1°C | 26.1°C | 25.9°C | 0°C |
| Avg High | 30.8°C | 31.0°C | 30.9°C | 31.0°C | 29.9°C | -0.9°C |
| Avg Low | 21.1°C | 20.9°C | 21.2°C | 21.2°C | 21.8°C | +0.7°C |
| Avg Rain | 31 mm | 16 mm | 12 mm | 14 mm | 94 mm | +62 mm |
January temperatures in Thoothukudi have stayed relatively stable across the record.
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 30.8°C and nights around 21.2°C (mean 26°C) — cooler than Thoothukudi's yearly average — with low rainfall (28 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.0°C | 25.3°C | 21.6°C | 30.7°C | 19.8°C | 32 mm | 83% | 3.5 m/s | 4.3 |
| 2024 | 30.0°C | 26.1°C | 22.2°C | 32.3°C | 19.8°C | 26 mm | 83% | 3.1 m/s | 4.6 |
| 2023 | 30.4°C | 25.5°C | 20.6°C | 32.3°C | 18.7°C | 13 mm | 75% | 3.3 m/s | 5.1 |
| 2022 | 30.8°C | 26.6°C | 22.4°C | 33.4°C | 20.3°C | 22 mm | 80% | 2.8 m/s | 5.4 |
| 2021 🌧️ | 28.0°C | 25.2°C | 22.4°C | 29.5°C | 19.3°C | 461 mm | 88% | 2.9 m/s | 4.5 |
| 2020 | 30.9°C | 26.4°C | 21.8°C | 33.3°C | 19.6°C | 8 mm | 79% | 2.9 m/s | 5.6 |
| 2019 | 32.4°C | 26.6°C | 20.7°C | 34.1°C | 18.8°C | 2 mm | 68% | 3.4 m/s | 5.6 |
| 2018 | 31.4°C | 26.3°C | 21.2°C | 33.7°C | 18.9°C | 4 mm | 72% | 3 m/s | 5.2 |
| 2017 | 32.2°C | 26.9°C | 21.5°C | 33.7°C | 19.4°C | 29 mm | 68% | 3.4 m/s | 5.2 |
| 2016 | 29.3°C | 25.1°C | 21.0°C | 31.5°C | 18.7°C | 1 mm | 82% | 3 m/s | 5.4 |
| 2015 | 30.1°C | 25.5°C | 20.9°C | 32.0°C | 18.4°C | 1 mm | 78% | 3 m/s | 5.6 |
| 2014 | 31.6°C | 26.5°C | 21.5°C | 33.5°C | 19.9°C | 30 mm | 72% | 3.6 m/s | 5 |
| 2013 | 32.5°C | 27.3°C | 22.1°C | 34.2°C | 20.0°C | 13 mm | 71% | 3.3 m/s | 5.2 |
| 2012 | 31.3°C | 26.2°C | 21.0°C | 32.2°C | 18.2°C | 16 mm | 73% | 3.1 m/s | 5.8 |
| 2011 | 28.8°C | 24.9°C | 20.9°C | 31.1°C | 17.7°C | 11 mm | 83% | 3.3 m/s | 4.6 |
| 2010 | 30.7°C | 26.1°C | 21.5°C | 32.9°C | 18.5°C | 27 mm | 77% | 3.3 m/s | 5.3 |
| 2009 | 31.0°C | 25.8°C | 20.7°C | 33.5°C | 18.8°C | 5 mm | 73% | 3.5 m/s | 5.3 |
| 2008 | 31.7°C | 26.4°C | 21.1°C | 35.7°C | 18.1°C | 2 mm | 73% | 3.3 m/s | 5.5 |
| 2007 | 30.6°C | 25.8°C | 20.9°C | 32.6°C | 18.8°C | 5 mm | 77% | 3.6 m/s | 5.2 |
| 2006 | 28.4°C | 24.5°C | 20.7°C | 30.0°C | 17.7°C | 32 mm | 83% | 3.1 m/s | 5 |
| 2005 | 31.2°C | 26.3°C | 21.4°C | 33.1°C | 17.9°C | 16 mm | 76% | 3.1 m/s | 5.2 |
| 2004 | 32.1°C | 26.9°C | 21.7°C | 34.4°C | 19.3°C | 2 mm | 72% | 3.3 m/s | 5.8 |
| 2003 | 31.3°C | 26.3°C | 21.4°C | 32.9°C | 19.6°C | 22 mm | 74% | 3.5 m/s | 5.2 |
| 2002 | 31.1°C | 26.3°C | 21.5°C | 33.7°C | 17.9°C | 3 mm | 77% | 3 m/s | 5.2 |
| 2001 | 30.7°C | 26.2°C | 21.7°C | 32.4°C | 19.6°C | 25 mm | 75% | 3.4 m/s | 4.7 |
| 2000 | 30.9°C | 26.2°C | 21.4°C | 33.5°C | 18.2°C | 8 mm | 76% | 3.5 m/s | 5.1 |
| 1999 ❄️ | 28.7°C | 24.4°C | 20.1°C | 31.2°C | 17.8°C | 17 mm | 82% | 3.1 m/s | 5.1 |
| 1998 | 30.9°C | 26.4°C | 21.9°C | 33.6°C | 19.9°C | 2 mm | 78% | 3.2 m/s | 4.9 |
| 1997 | 31.4°C | 26.1°C | 20.9°C | 33.8°C | 17.5°C | 2 mm | 71% | 3.2 m/s | 5.1 |
| 1996 | 32.3°C | 26.7°C | 21.1°C | 34.0°C | 18.9°C | 26 mm | 66% | 3.7 m/s | 4.6 |
| 1995 | 32.4°C | 27.2°C | 22.1°C | 34.0°C | 19.0°C | 5 mm | 69% | 3.5 m/s | 4.5 |
| 1994 | 28.4°C | 24.6°C | 20.7°C | 30.7°C | 17.9°C | 37 mm | 85% | 3.1 m/s | 4.8 |
| 1993 | 30.1°C | 24.8°C | 19.5°C | 32.7°C | 17.6°C | 0 mm | 76% | 3.2 m/s | 4.7 |
| 1992 | 31.1°C | 25.6°C | 20.2°C | 34.0°C | 18.3°C | 14 mm | 69% | 3.7 m/s | 4.9 |
| 1991 🔥 | 33.0°C | 27.6°C | 22.2°C | 35.3°C | 19.9°C | 4 mm | 69% | 3.2 m/s | 4.6 |
| 1990 | 31.4°C | 25.7°C | 20.0°C | 33.4°C | 16.1°C | 48 mm | 71% | 3.2 m/s | 5 |
| 1989 | 33.2°C | 27.4°C | 21.6°C | 34.2°C | 18.9°C | 3 mm | 67% | 3.6 m/s | 4.3 |
| 1988 | 29.2°C | 24.8°C | 20.5°C | 31.7°C | 18.7°C | 1 mm | 80% | 3 m/s | 4.9 |
| 1987 | 32.8°C | 27.2°C | 21.6°C | 34.2°C | 18.3°C | 6 mm | 66% | 3.6 m/s | 4.8 |
| 1986 | 30.9°C | 26.4°C | 21.9°C | 33.9°C | 19.6°C | 19 mm | 75% | 3.2 m/s | 4.5 |
| 1985 | 30.3°C | 25.9°C | 21.6°C | 32.6°C | 18.8°C | 92 mm | 78% | 3 m/s | 4.6 |
| 1984 | 27.6°C | 24.7°C | 21.9°C | 28.8°C | 19.1°C | 97 mm | 87% | 3 m/s | 4 |
| 1983 | 32.5°C | 26.5°C | 20.6°C | 34.8°C | 18.1°C | 0 mm | 68% | 3.4 m/s | — |
| 1982 | 29.6°C | 24.7°C | 19.8°C | 31.7°C | 18.1°C | 0 mm | 77% | 3.1 m/s | — |
| 1981 | 30.7°C | 25.6°C | 20.6°C | 32.4°C | 17.9°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 30.8°C with lows near 21.2°C (mean 26°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 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 20.9°C to 21.8°C while daytime highs eased from 30.1°C to 29.6°C, narrowing the gap between day and night.
January is one of the cooler months of the year in Thoothukudi and one of the drier months, so plan for around 30.8°C daytime highs and 21.2°C at night.
Not quite — January is the 2nd coolest month in Thoothukudi, averaging 26°C.
For January in Thoothukudi, pack light, breathable clothing and sun protection, with typical highs of 30.8°C and lows of 21.2°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.
