January is one of the cooler months of the year in Viluppuram, with average highs near 31.6°C and lows around 16.4°C (mean 24°C). It is one of the drier months, averaging 21 mm of rainfall and 78% relative humidity across the period.
January is one of the cooler months of the year in Viluppuram. Across 45 years of records, the warmest January in Viluppuram was 1983 — when the month averaged 26°C — while the coldest was 1997 at 22.2°C. Typical January days reach 31.6°C with nights near 16.4°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 | 24.3°C | 23.7°C | 24.3°C | 23.6°C | 24.1°C | -0.2°C |
| Avg High | 31.9°C | 31.6°C | 32.2°C | 31.1°C | 31.2°C | -0.7°C |
| Avg Low | 16.7°C | 15.8°C | 16.4°C | 16.2°C | 17.1°C | +0.4°C |
| Avg Rain | 29 mm | 14 mm | 16 mm | 14 mm | 39 mm | +10 mm |
January temperatures in Viluppuram have fallen by about 0.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 14.2°C (1992) to a record high of 35.9°C (1983).
Rainfall in January is one of the drier months, averaging 21 mm, with a wettest year of 100 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°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 Viluppuram
January is one of the best times to visit Viluppuram. Expect days averaging 31.6°C and nights around 16.4°C (mean 24°C) — cooler than Viluppuram's yearly average — with low rainfall (21 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 30.8°C | 17.3°C | 24.0°C | 20 mm | 83% | 2.7 m/s | 4.5 |
| 2024 | 31.6°C | 18.4°C | 25.0°C | 74 mm | 81% | 2.5 m/s | 4.6 |
| 2023 | 30.7°C | 15.7°C | 23.2°C | 4 mm | 78% | 2.4 m/s | 5 |
| 2022 | 32.0°C | 17.5°C | 24.7°C | 21 mm | 83% | 2.2 m/s | 4.7 |
| 2021 🌧️ | 29.6°C | 17.9°C | 23.8°C | 100 mm | 86% | 2.5 m/s | 3.9 |
| 2020 | 32.6°C | 15.6°C | 24.1°C | 16 mm | 79% | 2.1 m/s | 5.2 |
| 2019 | 32.3°C | 15.8°C | 24.0°C | 1 mm | 74% | 2.5 m/s | 5.2 |
| 2018 | 30.6°C | 16.1°C | 23.3°C | 9 mm | 78% | 2.4 m/s | 5.1 |
| 2017 | 32.1°C | 16.4°C | 24.3°C | 56 mm | 71% | 2.8 m/s | 4.8 |
| 2016 | 30.6°C | 16.5°C | 23.6°C | 1 mm | 80% | 2 m/s | 4.9 |
| 2015 | 30.8°C | 15.6°C | 23.2°C | 8 mm | 78% | 2.5 m/s | 4.8 |
| 2014 | 32.5°C | 18.2°C | 25.3°C | 1 mm | 70% | 3 m/s | 4.8 |
| 2013 | 32.1°C | 16.8°C | 24.4°C | 1 mm | 75% | 2.6 m/s | 5.3 |
| 2012 | 30.0°C | 14.6°C | 22.3°C | 7 mm | 80% | 2 m/s | 5.3 |
| 2011 | 29.4°C | 15.9°C | 22.6°C | 36 mm | 84% | 2.7 m/s | 5 |
| 2010 | 30.2°C | 16.5°C | 23.4°C | 19 mm | 82% | 2.4 m/s | 4.8 |
| 2009 | 31.1°C | 16.8°C | 23.9°C | 15 mm | 79% | 2.3 m/s | 5.2 |
| 2008 | 32.0°C | 15.9°C | 23.9°C | 61 mm | 83% | 2.2 m/s | 5.2 |
| 2007 | 31.4°C | 16.7°C | 24.0°C | 1 mm | 78% | 2.5 m/s | 4.9 |
| 2006 | 30.8°C | 15.3°C | 23.0°C | 12 mm | 81% | 2.3 m/s | 4.9 |
| 2005 | 31.9°C | 16.9°C | 24.4°C | 3 mm | 78% | 2.3 m/s | 5.1 |
| 2004 | 32.9°C | 16.4°C | 24.6°C | 13 mm | 73% | 2.5 m/s | 5.1 |
| 2003 | 33.7°C | 17.9°C | 25.8°C | 1 mm | 72% | 2.8 m/s | 5 |
| 2002 | 33.6°C | 15.2°C | 24.4°C | 49 mm | 80% | 2.5 m/s | 4.7 |
| 2001 | 32.9°C | 16.1°C | 24.5°C | 1 mm | 76% | 2.6 m/s | 4.7 |
| 2000 | 32.0°C | 17.2°C | 24.6°C | 9 mm | 78% | 2.6 m/s | 5 |
| 1999 | 30.9°C | 15.3°C | 23.1°C | 2 mm | 78% | 2.5 m/s | 5.3 |
| 1998 | 30.8°C | 17.4°C | 24.1°C | 1 mm | 80% | 2.2 m/s | 4.6 |
| 1997 ❄️ | 30.2°C | 14.2°C | 22.2°C | 21 mm | 81% | 2.2 m/s | 4.7 |
| 1996 | 32.7°C | 16.5°C | 24.6°C | 3 mm | 69% | 2.7 m/s | 4.8 |
| 1995 | 30.9°C | 15.1°C | 23.0°C | 49 mm | 81% | 2.7 m/s | 4.3 |
| 1994 | 30.6°C | 16.1°C | 23.3°C | 3 mm | 82% | 2.4 m/s | 4.8 |
| 1993 | 32.5°C | 16.7°C | 24.6°C | 0 mm | 76% | 2.3 m/s | 4.8 |
| 1992 | 31.3°C | 14.2°C | 22.7°C | 8 mm | 77% | 2.5 m/s | 4.9 |
| 1991 | 34.1°C | 17.4°C | 25.8°C | 3 mm | 74% | 2.5 m/s | 4.7 |
| 1990 | 31.9°C | 15.0°C | 23.5°C | 52 mm | 76% | 2.3 m/s | 5.1 |
| 1989 | 32.9°C | 16.1°C | 24.5°C | 8 mm | 73% | 2.6 m/s | 4.4 |
| 1988 | 31.3°C | 16.4°C | 23.9°C | 1 mm | 79% | 2.5 m/s | 4.9 |
| 1987 | 32.7°C | 15.8°C | 24.3°C | 8 mm | 73% | 2.8 m/s | 4.9 |
| 1986 | 31.0°C | 16.9°C | 23.9°C | 65 mm | 83% | 2.7 m/s | 4.4 |
| 1985 | 31.6°C | 16.4°C | 24.0°C | 89 mm | 80% | 2.3 m/s | 4.8 |
| 1984 | 29.7°C | 18.5°C | 24.1°C | 42 mm | 84% | 2.3 m/s | 4.1 |
| 1983 🔥 | 35.9°C | 16.2°C | 26.0°C | 0 mm | 69% | 2.5 m/s | — |
| 1982 | 29.9°C | 16.6°C | 23.2°C | 3 mm | 79% | 2.2 m/s | — |
| 1981 | 32.1°C | 17.1°C | 24.6°C | 46 mm | 77% | 2.4 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 31.6°C with lows near 16.4°C (mean 24°C), based on 45 years of NASA POWER data.
January averages 21 mm of rainfall in Viluppuram, one of the drier months. The wettest on record was 100 mm in 2021.
The hottest January reached 35.9°C in 1983. The coldest dipped to 14.2°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 0.3°C. Daytime highs moved from 31.8°C to 30.9°C and overnight lows from 17°C to 17.4°C over the same span.
January is one of the cooler months of the year in Viluppuram and one of the drier months, so plan for around 31.6°C daytime highs and 16.4°C at night.
Not quite — January is the 2nd coolest month in Viluppuram, averaging 24°C.
For January in Viluppuram, pack light, breathable clothing and sun protection, with typical highs of 31.6°C and lows of 16.4°C.
Relative humidity in January averages 78% — quite humid.
Average wind speed in January is 2.5 m/s. The windiest January on record averaged 3 m/s (2014).
The wettest January on record was 2021 with 100 mm. On average, January sees 21 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 Viluppuram 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.
