January is one of the cooler months of the year in Tiruchirappalli, with average highs near 33.2°C and lows around 15.4°C (mean 24.3°C). It is one of the drier months, averaging 17 mm of rainfall and 75% relative humidity across the period.
January is one of the cooler months of the year in Tiruchirappalli. Across 45 years of records, the warmest January in Tiruchirappalli was 1991 — when the month averaged 26.9°C — while the coldest was 2006 at 21.7°C. Typical January days reach 33.2°C with nights near 15.4°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 | 24.8°C | 24.1°C | 24.4°C | 24.1°C | 24.0°C | -0.8°C |
| Avg High | 33.7°C | 33.5°C | 33.6°C | 32.8°C | 32.0°C | -1.7°C |
| Avg Low | 15.8°C | 14.7°C | 15.2°C | 15.4°C | 16.1°C | +0.3°C |
| Avg Rain | 24 mm | 11 mm | 8 mm | 9 mm | 41 mm | +17 mm |
January temperatures in Tiruchirappalli have fallen by about 0.6°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 13.2°C (1997) to a record high of 37.3°C (1983).
Rainfall in January is one of the drier months, averaging 17 mm, with a wettest year of 142 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
One of the best times to visit Tiruchirappalli
January is one of the best times to visit Tiruchirappalli. Expect days averaging 33.2°C and nights around 15.4°C (mean 24.3°C) — cooler than Tiruchirappalli's yearly average — with low rainfall (17 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 31.0°C | 16.5°C | 23.8°C | 17 mm | 84% | 2.5 m/s | 4.5 |
| 2024 | 33.7°C | 16.8°C | 25.2°C | 43 mm | 78% | 2.5 m/s | 4.5 |
| 2023 | 32.0°C | 14.8°C | 23.4°C | 5 mm | 75% | 2.4 m/s | 5.1 |
| 2022 | 31.4°C | 16.6°C | 24.0°C | 30 mm | 85% | 2 m/s | 5 |
| 2021 🌧️ | 29.9°C | 16.3°C | 23.1°C | 142 mm | 88% | 2.3 m/s | 4 |
| 2020 | 33.9°C | 15.5°C | 24.7°C | 9 mm | 79% | 2.1 m/s | 5.4 |
| 2019 | 34.2°C | 14.7°C | 24.5°C | 0 mm | 70% | 2.5 m/s | 5.4 |
| 2018 | 33.0°C | 15.3°C | 24.1°C | 12 mm | 74% | 2.4 m/s | 5.1 |
| 2017 | 34.2°C | 16.2°C | 25.2°C | 43 mm | 66% | 2.7 m/s | 4.9 |
| 2016 | 31.3°C | 15.2°C | 23.3°C | 0 mm | 82% | 2 m/s | 5.2 |
| 2015 | 33.3°C | 14.9°C | 24.1°C | 7 mm | 73% | 2.5 m/s | 5.2 |
| 2014 | 33.8°C | 17.1°C | 25.4°C | 3 mm | 69% | 2.9 m/s | 4.7 |
| 2013 | 34.4°C | 17.2°C | 25.8°C | 3 mm | 68% | 2.7 m/s | 5.4 |
| 2012 | 31.6°C | 13.8°C | 22.7°C | 6 mm | 76% | 2.1 m/s | 5.4 |
| 2011 | 30.0°C | 14.6°C | 22.3°C | 9 mm | 85% | 2.4 m/s | 5 |
| 2010 | 32.2°C | 15.4°C | 23.8°C | 9 mm | 78% | 2.4 m/s | 5.1 |
| 2009 | 32.7°C | 15.7°C | 24.2°C | 10 mm | 79% | 2.3 m/s | 5.3 |
| 2008 | 33.3°C | 14.3°C | 23.8°C | 14 mm | 80% | 2.1 m/s | 5.4 |
| 2007 | 33.3°C | 15.7°C | 24.5°C | 3 mm | 73% | 2.7 m/s | 5 |
| 2006 ❄️ | 29.7°C | 13.6°C | 21.7°C | 17 mm | 84% | 2.1 m/s | 5.1 |
| 2005 | 33.5°C | 15.2°C | 24.3°C | 6 mm | 75% | 2.3 m/s | 5 |
| 2004 | 34.4°C | 15.4°C | 24.9°C | 6 mm | 71% | 2.4 m/s | 5.5 |
| 2003 | 35.8°C | 17.0°C | 26.4°C | 1 mm | 67% | 2.9 m/s | 5.2 |
| 2002 | 36.2°C | 14.9°C | 25.5°C | 14 mm | 73% | 2.5 m/s | 4.9 |
| 2001 | 33.8°C | 15.5°C | 24.6°C | 2 mm | 75% | 2.6 m/s | 4.7 |
| 2000 | 33.5°C | 14.5°C | 24.0°C | 11 mm | 75% | 2.6 m/s | 4.9 |
| 1999 | 33.1°C | 14.3°C | 23.7°C | 1 mm | 76% | 2.4 m/s | 5.5 |
| 1998 | 32.6°C | 16.0°C | 24.3°C | 1 mm | 80% | 2.2 m/s | 4.7 |
| 1997 | 31.4°C | 13.2°C | 22.3°C | 23 mm | 78% | 2.2 m/s | 4.9 |
| 1996 | 34.1°C | 15.9°C | 25.0°C | 1 mm | 66% | 2.8 m/s | 5 |
| 1995 | 33.5°C | 13.9°C | 23.7°C | 23 mm | 73% | 2.7 m/s | 4.5 |
| 1994 | 31.8°C | 14.7°C | 23.3°C | 7 mm | 83% | 2.3 m/s | 5 |
| 1993 | 33.8°C | 15.0°C | 24.4°C | 0 mm | 74% | 2.3 m/s | 5 |
| 1992 | 33.4°C | 13.4°C | 23.4°C | 1 mm | 71% | 2.7 m/s | 5.3 |
| 1991 🔥 | 36.9°C | 16.9°C | 26.9°C | 1 mm | 67% | 2.7 m/s | 4.8 |
| 1990 | 34.3°C | 13.3°C | 23.8°C | 48 mm | 70% | 2.4 m/s | 5.1 |
| 1989 | 35.5°C | 16.2°C | 25.9°C | 2 mm | 65% | 2.8 m/s | 4.5 |
| 1988 | 33.7°C | 15.2°C | 24.5°C | 0 mm | 74% | 2.5 m/s | 5.2 |
| 1987 | 34.3°C | 15.2°C | 24.7°C | 4 mm | 69% | 2.8 m/s | 5 |
| 1986 | 33.7°C | 16.4°C | 25.0°C | 36 mm | 76% | 2.7 m/s | 4.5 |
| 1985 | 33.0°C | 15.9°C | 24.4°C | 95 mm | 78% | 2.2 m/s | 5 |
| 1984 | 29.9°C | 17.0°C | 23.4°C | 57 mm | 85% | 2.2 m/s | 4.3 |
| 1983 | 37.3°C | 15.3°C | 26.3°C | 0 mm | 66% | 2.6 m/s | — |
| 1982 | 31.8°C | 15.1°C | 23.5°C | 1 mm | 78% | 2.2 m/s | — |
| 1981 | 34.5°C | 15.7°C | 25.1°C | 23 mm | 70% | 2.5 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 33.2°C with lows near 15.4°C (mean 24.3°C), based on 45 years of NASA POWER data.
January averages 17 mm of rainfall in Tiruchirappalli, one of the drier months. The wettest on record was 142 mm in 2021.
The hottest January reached 37.3°C in 1983. The coldest dipped to 13.2°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 0.6°C. Daytime highs moved from 33.3°C to 31.6°C and overnight lows from 15.8°C to 16.2°C over the same span.
January is one of the cooler months of the year in Tiruchirappalli and one of the drier months, so plan for around 33.2°C daytime highs and 15.4°C at night.
Not quite — January is the 2nd coolest month in Tiruchirappalli, averaging 24.3°C.
For January in Tiruchirappalli, pack light, breathable clothing and sun protection, with typical highs of 33.2°C and lows of 15.4°C.
Relative humidity in January averages 75% — quite humid.
Average wind speed in January is 2.4 m/s. The windiest January on record averaged 2.9 m/s (2003).
The wettest January on record was 2021 with 142 mm. On average, January sees 17 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 Tiruchirappalli 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.
