January is one of the cooler months of the year in Coimbatore, with average highs near 30°C and lows around 16.8°C (mean 23.4°C). It is one of the drier months, averaging 12 mm of rainfall and 68% relative humidity across the period.
January is one of the cooler months of the year in Coimbatore. Across 45 years of records, the warmest January in Coimbatore was 2013 — when the month averaged 25.6°C — while the coldest was 2006 at 21.8°C. Typical January days reach 30°C with nights near 16.8°C. The long-term January temperature trend is broadly flat.
January is one of the drier months in Coimbatore, averaging 12 mm of rainfall. The wettest January on record was 2021 with 117 mm, while the driest were 1993, 1999 and 2019, among others at 0 mm.
Relative humidity in Coimbatore during January averages 68%. The most humid January was 2021 at 85%, and the least humid was 1989 at 53%.
January receives about 5.4 kWh/m²/day of solar energy in Coimbatore. The sunniest Januarys were 2008, 2009 and 2020, among others at 5.7 kWh/m²/day, and the cloudiest was 2021 at 4.7.
Average wind speed in Coimbatore during January is 1.8 m/s. The windiest Januarys were 1990, 1992 and 2014 at 2.2 m/s, while the calmest were 2018 and 2022 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.4°C | 23.0°C | 23.5°C | 23.8°C | 23.1°C | -0.3°C |
| Avg High | 30.1°C | 29.9°C | 30.3°C | 30.7°C | 28.6°C | -1.5°C |
| Avg Low | 16.8°C | 16.2°C | 16.8°C | 16.9°C | 17.5°C | +0.7°C |
| Avg Rain | 16 mm | 7 mm | 7 mm | 4 mm | 35 mm | +18 mm |
January temperatures in Coimbatore have stayed relatively stable across the record.
January has ranged from a record low of 11.6°C (1992) to a record high of 36.3°C (1991).
Rainfall in January is one of the drier months, averaging 12 mm, with a wettest year of 117 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°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 Coimbatore
January is one of the best times to visit Coimbatore. Expect days averaging 30°C and nights around 16.8°C (mean 23.4°C) — cooler than Coimbatore's yearly average — with low rainfall (12 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 | 28.5°C | 22.8°C | 17.0°C | 31.4°C | 14.3°C | 15 mm | 77% | 2 m/s | 5.2 |
| 2024 | 28.6°C | 23.4°C | 18.1°C | 31.9°C | 15.2°C | 42 mm | 79% | 1.6 m/s | 5.1 |
| 2023 | 29.5°C | 22.5°C | 15.5°C | 32.4°C | 13.5°C | 6 mm | 71% | 1.7 m/s | 5.4 |
| 2022 | 28.0°C | 23.0°C | 18.1°C | 31.1°C | 16.3°C | 24 mm | 81% | 1.5 m/s | 5.4 |
| 2021 🌧️ | 27.0°C | 22.6°C | 18.2°C | 29.2°C | 14.7°C | 117 mm | 85% | 1.9 m/s | 4.7 |
| 2020 | 30.1°C | 24.0°C | 17.8°C | 33.2°C | 14.8°C | 5 mm | 74% | 1.7 m/s | 5.7 |
| 2019 | 31.4°C | 23.6°C | 15.8°C | 33.6°C | 12.5°C | 0 mm | 60% | 1.8 m/s | 5.5 |
| 2018 | 30.3°C | 23.5°C | 16.8°C | 32.3°C | 14.5°C | 3 mm | 68% | 1.5 m/s | 5.3 |
| 2017 | 31.4°C | 24.2°C | 17.0°C | 32.8°C | 14.3°C | 24 mm | 60% | 1.9 m/s | 5.2 |
| 2016 | 30.2°C | 23.5°C | 16.8°C | 32.8°C | 13.1°C | 4 mm | 71% | 1.7 m/s | 5.3 |
| 2015 | 30.4°C | 23.6°C | 16.8°C | 32.0°C | 13.2°C | 2 mm | 68% | 1.6 m/s | 5.4 |
| 2014 | 31.0°C | 24.2°C | 17.3°C | 32.7°C | 15.9°C | 1 mm | 64% | 2.2 m/s | 5.5 |
| 2013 🔥 | 33.1°C | 25.6°C | 18.0°C | 34.7°C | 16.0°C | 0 mm | 55% | 1.8 m/s | 5.6 |
| 2012 | 30.3°C | 23.4°C | 16.4°C | 31.7°C | 12.5°C | 1 mm | 69% | 1.6 m/s | 5.6 |
| 2011 | 28.1°C | 22.2°C | 16.4°C | 30.5°C | 13.3°C | 2 mm | 78% | 1.8 m/s | 5.5 |
| 2010 | 30.9°C | 24.3°C | 17.8°C | 32.8°C | 14.6°C | 4 mm | 69% | 1.8 m/s | 5.4 |
| 2009 | 29.9°C | 22.7°C | 15.5°C | 32.7°C | 13.0°C | 3 mm | 69% | 2.1 m/s | 5.7 |
| 2008 | 29.4°C | 22.6°C | 15.8°C | 32.9°C | 13.2°C | 1 mm | 72% | 1.7 m/s | 5.7 |
| 2007 | 30.0°C | 23.0°C | 16.1°C | 31.5°C | 13.3°C | 8 mm | 69% | 2.1 m/s | 5.4 |
| 2006 ❄️ | 27.5°C | 21.8°C | 16.1°C | 30.8°C | 12.6°C | 13 mm | 78% | 1.9 m/s | 5.5 |
| 2005 | 30.4°C | 23.8°C | 17.2°C | 32.5°C | 14.1°C | 21 mm | 69% | 1.7 m/s | 5.3 |
| 2004 | 31.8°C | 24.5°C | 17.2°C | 35.1°C | 14.0°C | 7 mm | 62% | 1.7 m/s | 5.6 |
| 2003 | 31.5°C | 24.6°C | 17.7°C | 34.3°C | 15.3°C | 0 mm | 60% | 2 m/s | 5.5 |
| 2002 | 30.9°C | 24.3°C | 17.7°C | 34.8°C | 13.4°C | 3 mm | 68% | 1.7 m/s | 5.2 |
| 2001 | 30.8°C | 24.2°C | 17.5°C | 32.8°C | 14.2°C | 10 mm | 67% | 2 m/s | 5.1 |
| 2000 | 30.4°C | 23.7°C | 17.0°C | 32.9°C | 14.3°C | 5 mm | 68% | 2 m/s | 5.3 |
| 1999 | 29.4°C | 22.4°C | 15.5°C | 32.0°C | 13.0°C | 0 mm | 69% | 1.6 m/s | 5.7 |
| 1998 | 28.2°C | 22.7°C | 17.1°C | 30.8°C | 14.4°C | 0 mm | 79% | 1.7 m/s | 5.2 |
| 1997 | 28.9°C | 22.5°C | 16.1°C | 31.6°C | 12.5°C | 3 mm | 73% | 1.7 m/s | 5.3 |
| 1996 | 31.0°C | 23.6°C | 16.1°C | 32.5°C | 13.0°C | 0 mm | 60% | 2 m/s | 5.3 |
| 1995 | 29.8°C | 23.4°C | 16.9°C | 31.6°C | 11.8°C | 25 mm | 71% | 1.8 m/s | 5.3 |
| 1994 | 28.3°C | 22.5°C | 16.6°C | 32.2°C | 13.1°C | 31 mm | 77% | 1.9 m/s | 5.2 |
| 1993 | 29.4°C | 22.0°C | 14.7°C | 32.8°C | 12.5°C | 0 mm | 68% | 2 m/s | 5.4 |
| 1992 | 29.7°C | 22.3°C | 14.8°C | 33.0°C | 11.6°C | 0 mm | 63% | 2.2 m/s | 5.4 |
| 1991 | 32.6°C | 25.3°C | 18.1°C | 36.3°C | 14.6°C | 0 mm | 55% | 2 m/s | 5.3 |
| 1990 | 31.4°C | 23.6°C | 15.9°C | 34.3°C | 12.4°C | 11 mm | 57% | 2.2 m/s | 5.4 |
| 1989 | 32.5°C | 24.8°C | 17.1°C | 34.6°C | 14.0°C | 1 mm | 53% | 2.1 m/s | 5.6 |
| 1988 | 29.3°C | 22.5°C | 15.8°C | 31.8°C | 13.1°C | 0 mm | 71% | 1.8 m/s | 5.4 |
| 1987 | 31.6°C | 24.3°C | 17.0°C | 33.3°C | 13.7°C | 1 mm | 58% | 2.1 m/s | 5.5 |
| 1986 | 30.1°C | 24.0°C | 18.0°C | 32.4°C | 14.8°C | 14 mm | 68% | 1.9 m/s | 4.9 |
| 1985 | 28.2°C | 22.6°C | 17.0°C | 31.2°C | 13.9°C | 83 mm | 76% | 1.8 m/s | 5.5 |
| 1984 | 28.6°C | 23.3°C | 18.1°C | 30.1°C | 16.0°C | 38 mm | 77% | 2 m/s | 5 |
| 1983 | 31.9°C | 24.0°C | 16.1°C | 36.1°C | 13.0°C | 0 mm | 55% | 1.9 m/s | — |
| 1982 | 28.7°C | 22.1°C | 15.5°C | 31.0°C | 13.7°C | 0 mm | 73% | 1.8 m/s | — |
| 1981 | 30.0°C | 23.4°C | 16.9°C | 32.9°C | 14.3°C | 11 mm | 68% | 1.7 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 30°C with lows near 16.8°C (mean 23.4°C), based on 45 years of NASA POWER data.
January averages 12 mm of rainfall in Coimbatore, one of the drier months. The wettest on record was 117 mm in 2021.
The hottest January reached 36.3°C in 1991. The coldest dipped to 11.6°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 16.7°C to 17.4°C while daytime highs eased from 29.5°C to 28.3°C, narrowing the gap between day and night.
January is one of the cooler months of the year in Coimbatore and one of the drier months, so plan for around 30°C daytime highs and 16.8°C at night.
Not quite — January is the 3rd coolest month in Coimbatore, averaging 23.4°C.
For January in Coimbatore, pack light, breathable clothing and sun protection, with typical highs of 30°C and lows of 16.8°C.
Relative humidity in January averages 68% — moderately humid.
Average wind speed in January is 1.8 m/s. The windiest January on record averaged 2.2 m/s (1990).
The wettest January on record was 2021 with 117 mm. On average, January sees 12 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 Coimbatore 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.
