January is one of the cooler months of the year in Thrissur, with average highs near 34.8°C and lows around 19°C (mean 26.9°C). It is one of the drier months, averaging 16 mm of rainfall and 64% relative humidity across the period.
January is one of the cooler months of the year in Thrissur. Across 45 years of records, the warmest January in Thrissur was 1991 — when the month averaged 28.7°C — while the coldest was 1994 at 25.1°C. Typical January days reach 34.8°C with nights near 19°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 | 27.1°C | 26.5°C | 27.0°C | 27.1°C | 27.0°C | -0.1°C |
| Avg High | 34.8°C | 34.9°C | 35.1°C | 35.0°C | 34.0°C | -0.8°C |
| Avg Low | 19.4°C | 18.3°C | 18.8°C | 19.2°C | 19.9°C | +0.5°C |
| Avg Rain | 21 mm | 12 mm | 13 mm | 5 mm | 37 mm | +17 mm |
January temperatures in Thrissur have stayed relatively stable across the record.
January has ranged from a record low of 17°C (1993) to a record high of 37.6°C (1991).
Rainfall in January is one of the drier months, averaging 16 mm, with a wettest year of 115 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 Thrissur
January is one of the best times to visit Thrissur. Expect days averaging 34.8°C and nights around 19°C (mean 26.9°C) — close to Thrissur's yearly average — with low rainfall (16 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 34.4°C | 19.4°C | 26.9°C | 10 mm | 68% | 2.1 m/s | 5.2 |
| 2024 | 33.1°C | 20.6°C | 26.9°C | 64 mm | 75% | 1.7 m/s | 5.1 |
| 2023 | 34.0°C | 18.9°C | 26.5°C | 11 mm | 66% | 1.6 m/s | 5.4 |
| 2022 | 34.1°C | 21.3°C | 27.7°C | 17 mm | 74% | 1.8 m/s | 5.4 |
| 2021 🌧️ | 33.2°C | 19.5°C | 26.4°C | 115 mm | 77% | 1.8 m/s | 4.7 |
| 2020 | 35.3°C | 19.9°C | 27.6°C | 8 mm | 68% | 1.6 m/s | 5.7 |
| 2019 | 35.0°C | 18.0°C | 26.5°C | 0 mm | 59% | 1.9 m/s | 5.5 |
| 2018 | 35.2°C | 19.7°C | 27.5°C | 2 mm | 65% | 1.6 m/s | 5.3 |
| 2017 | 35.3°C | 20.0°C | 27.6°C | 19 mm | 60% | 1.8 m/s | 5.2 |
| 2016 | 35.3°C | 18.4°C | 26.9°C | 3 mm | 67% | 1.8 m/s | 5.3 |
| 2015 | 35.2°C | 18.6°C | 26.9°C | 2 mm | 65% | 1.8 m/s | 5.4 |
| 2014 | 34.6°C | 19.9°C | 27.2°C | 1 mm | 63% | 1.9 m/s | 5.5 |
| 2013 | 35.7°C | 20.3°C | 28.0°C | 2 mm | 58% | 1.7 m/s | 5.6 |
| 2012 | 34.2°C | 18.4°C | 26.3°C | 1 mm | 64% | 1.6 m/s | 5.6 |
| 2011 | 33.9°C | 18.7°C | 26.3°C | 5 mm | 72% | 1.8 m/s | 5.5 |
| 2010 | 35.2°C | 19.7°C | 27.4°C | 12 mm | 67% | 1.6 m/s | 5.4 |
| 2009 | 35.2°C | 18.0°C | 26.6°C | 7 mm | 60% | 1.8 m/s | 5.7 |
| 2008 | 34.3°C | 18.1°C | 26.2°C | 0 mm | 65% | 2.1 m/s | 5.7 |
| 2007 | 35.0°C | 18.3°C | 26.6°C | 4 mm | 62% | 1.8 m/s | 5.4 |
| 2006 | 33.7°C | 17.7°C | 25.7°C | 9 mm | 68% | 1.8 m/s | 5.5 |
| 2005 | 35.7°C | 19.1°C | 27.4°C | 51 mm | 66% | 1.7 m/s | 5.3 |
| 2004 | 35.3°C | 19.3°C | 27.3°C | 16 mm | 63% | 1.9 m/s | 5.6 |
| 2003 | 35.6°C | 20.2°C | 27.9°C | 0 mm | 62% | 1.8 m/s | 5.5 |
| 2002 | 35.6°C | 18.5°C | 27.0°C | 7 mm | 67% | 1.8 m/s | 5.2 |
| 2001 | 35.1°C | 19.9°C | 27.5°C | 24 mm | 64% | 1.8 m/s | 5.1 |
| 2000 | 35.7°C | 19.3°C | 27.5°C | 11 mm | 64% | 1.9 m/s | 5.3 |
| 1999 | 33.6°C | 17.7°C | 25.7°C | 0 mm | 65% | 1.8 m/s | 5.7 |
| 1998 | 34.4°C | 19.3°C | 26.8°C | 0 mm | 73% | 2 m/s | 5.2 |
| 1997 | 32.9°C | 18.2°C | 25.5°C | 1 mm | 68% | 1.7 m/s | 5.3 |
| 1996 | 35.6°C | 19.1°C | 27.4°C | 2 mm | 57% | 1.8 m/s | 5.3 |
| 1995 | 35.1°C | 18.1°C | 26.6°C | 28 mm | 65% | 1.9 m/s | 5.3 |
| 1994 ❄️ | 32.6°C | 17.7°C | 25.1°C | 86 mm | 72% | 2 m/s | 5.2 |
| 1993 | 35.7°C | 17.0°C | 26.3°C | 0 mm | 62% | 1.8 m/s | 5.4 |
| 1992 | 34.7°C | 18.0°C | 26.3°C | 1 mm | 56% | 2.2 m/s | 5.4 |
| 1991 🔥 | 37.6°C | 19.9°C | 28.7°C | 0 mm | 56% | 1.8 m/s | 5.3 |
| 1990 | 36.3°C | 17.7°C | 27.0°C | 5 mm | 55% | 1.7 m/s | 5.4 |
| 1989 | 36.7°C | 19.8°C | 28.3°C | 1 mm | 54% | 1.7 m/s | 5.6 |
| 1988 | 34.2°C | 17.9°C | 26.1°C | 0 mm | 66% | 1.7 m/s | 5.4 |
| 1987 | 35.8°C | 19.2°C | 27.5°C | 3 mm | 55% | 1.9 m/s | 5.5 |
| 1986 | 34.6°C | 19.3°C | 26.9°C | 7 mm | 64% | 1.8 m/s | 4.9 |
| 1985 | 33.7°C | 19.2°C | 26.4°C | 96 mm | 70% | 1.7 m/s | 5.5 |
| 1984 | 33.1°C | 20.9°C | 27.0°C | 64 mm | 71% | 1.8 m/s | 5 |
| 1983 | 36.2°C | 19.5°C | 27.8°C | 0 mm | 53% | 1.8 m/s | — |
| 1982 | 34.4°C | 18.8°C | 26.6°C | 0 mm | 64% | 1.7 m/s | — |
| 1981 | 34.4°C | 19.8°C | 27.1°C | 17 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 34.8°C with lows near 19°C (mean 26.9°C), based on 45 years of NASA POWER data.
January averages 16 mm of rainfall in Thrissur, one of the drier months. The wettest on record was 115 mm in 2021.
The hottest January reached 37.6°C in 1991. The coldest dipped to 17°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 0.1°C. Daytime highs moved from 34.4°C to 33.8°C and overnight lows from 19.6°C to 19.9°C over the same span.
January is one of the cooler months of the year in Thrissur and one of the drier months, so plan for around 34.8°C daytime highs and 19°C at night.
Not quite — January is the 7th coolest month in Thrissur, averaging 26.9°C.
For January in Thrissur, pack light, breathable clothing and sun protection, with typical highs of 34.8°C and lows of 19°C.
Relative humidity in January averages 64% — moderately humid.
Average wind speed in January is 1.8 m/s. The windiest January on record averaged 2.2 m/s (1992).
The wettest January on record was 2021 with 115 mm. On average, January sees 16 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 Thrissur 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.
