January is one of the cooler months of the year in Thiruvananthapuram, with average highs near 32°C and lows around 20.2°C (mean 26.1°C). It is one of the drier months, averaging 26 mm of rainfall and 72% relative humidity across the period.
January is one of the cooler months of the year in Thiruvananthapuram. Across 45 years of records, the warmest January in Thiruvananthapuram was 1991 — when the month averaged 27.5°C — while the coldest was 2006 at 24.3°C. Typical January days reach 32°C with nights near 20.2°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 | 26.2°C | 26.0°C | 26.2°C | 26.2°C | 26.2°C | 0°C |
| Avg High | 32.1°C | 32.2°C | 32.2°C | 32.1°C | 31.4°C | -0.7°C |
| Avg Low | 20.2°C | 19.8°C | 20.2°C | 20.3°C | 21.1°C | +0.9°C |
| Avg Rain | 24 mm | 13 mm | 9 mm | 19 mm | 90 mm | +66 mm |
January temperatures in Thiruvananthapuram have risen by about 0.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 18.4°C (1990) to a record high of 34.3°C (1991).
Rainfall in January is one of the drier months, averaging 26 mm, with a wettest year of 231 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 Thiruvananthapuram
January is one of the best times to visit Thiruvananthapuram. Expect days averaging 32°C and nights around 20.2°C (mean 26.1°C) — cooler than Thiruvananthapuram's yearly average — with low rainfall (26 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.1°C | 21.7°C | 26.9°C | 29 mm | 74% | 3.2 m/s | 5.3 |
| 2024 | 31.0°C | 21.2°C | 26.1°C | 25 mm | 81% | 3.1 m/s | 5.3 |
| 2023 | 32.0°C | 20.4°C | 26.2°C | 25 mm | 68% | 2.6 m/s | 5.6 |
| 2022 | 31.0°C | 22.0°C | 26.5°C | 188 mm | 80% | 2.7 m/s | 5.8 |
| 2021 🌧️ | 29.9°C | 20.4°C | 25.1°C | 231 mm | 82% | 2.9 m/s | 4.9 |
| 2020 | 32.5°C | 20.8°C | 26.6°C | 40 mm | 76% | 2.5 m/s | 6 |
| 2019 | 33.4°C | 19.5°C | 26.4°C | 0 mm | 66% | 2.5 m/s | 5.8 |
| 2018 | 32.4°C | 20.2°C | 26.3°C | 4 mm | 72% | 2.3 m/s | 5.1 |
| 2017 | 33.4°C | 21.1°C | 27.3°C | 14 mm | 64% | 2.7 m/s | 5.3 |
| 2016 | 30.7°C | 20.4°C | 25.6°C | 1 mm | 79% | 2.8 m/s | 5.6 |
| 2015 | 31.4°C | 20.0°C | 25.7°C | 3 mm | 75% | 2.8 m/s | 5.8 |
| 2014 | 32.6°C | 20.9°C | 26.7°C | 37 mm | 70% | 2.9 m/s | 5.6 |
| 2013 | 33.4°C | 21.0°C | 27.2°C | 5 mm | 66% | 2.4 m/s | 5.7 |
| 2012 | 31.5°C | 19.3°C | 25.4°C | 5 mm | 70% | 2.6 m/s | 5.8 |
| 2011 | 30.2°C | 19.3°C | 24.8°C | 19 mm | 80% | 2.8 m/s | 5.3 |
| 2010 | 32.0°C | 21.1°C | 26.6°C | 102 mm | 74% | 2.9 m/s | 5.6 |
| 2009 | 32.3°C | 19.0°C | 25.7°C | 3 mm | 72% | 3 m/s | 5.9 |
| 2008 | 32.1°C | 20.0°C | 26.0°C | 0 mm | 72% | 3 m/s | 5.9 |
| 2007 | 31.7°C | 20.0°C | 25.9°C | 1 mm | 76% | 3.4 m/s | 5.7 |
| 2006 ❄️ | 29.4°C | 19.2°C | 24.3°C | 30 mm | 80% | 3.2 m/s | 5.4 |
| 2005 | 33.1°C | 20.5°C | 26.8°C | 13 mm | 70% | 2.6 m/s | 5.5 |
| 2004 | 33.0°C | 20.8°C | 26.9°C | 4 mm | 68% | 2.8 m/s | 6 |
| 2003 | 32.3°C | 20.9°C | 26.6°C | 11 mm | 72% | 3.1 m/s | 5.7 |
| 2002 | 32.7°C | 19.8°C | 26.3°C | 3 mm | 73% | 2.5 m/s | 5.5 |
| 2001 | 32.3°C | 21.2°C | 26.7°C | 24 mm | 69% | 2.9 m/s | 5.2 |
| 2000 | 32.8°C | 20.5°C | 26.7°C | 4 mm | 70% | 3 m/s | 5.7 |
| 1999 | 29.5°C | 19.7°C | 24.6°C | 10 mm | 77% | 2.7 m/s | 5.6 |
| 1998 | 31.8°C | 20.9°C | 26.4°C | 3 mm | 78% | 3 m/s | 5.3 |
| 1997 | 31.8°C | 19.4°C | 25.6°C | 0 mm | 68% | 2.7 m/s | 5.5 |
| 1996 | 33.1°C | 20.5°C | 26.8°C | 34 mm | 64% | 2.8 m/s | 5.2 |
| 1995 | 33.3°C | 20.8°C | 27.1°C | 7 mm | 68% | 2.7 m/s | 5.1 |
| 1994 | 29.9°C | 19.2°C | 24.6°C | 46 mm | 80% | 3.1 m/s | 5.2 |
| 1993 | 32.4°C | 18.7°C | 25.5°C | 0 mm | 71% | 3 m/s | 5 |
| 1992 | 32.4°C | 19.5°C | 25.9°C | 17 mm | 66% | 3.3 m/s | 5.3 |
| 1991 🔥 | 34.3°C | 20.7°C | 27.5°C | 0 mm | 65% | 2.6 m/s | 5 |
| 1990 | 33.2°C | 18.4°C | 25.8°C | 9 mm | 64% | 2.8 m/s | 5.2 |
| 1989 | 33.5°C | 20.8°C | 27.2°C | 1 mm | 65% | 2.8 m/s | 4.9 |
| 1988 | 29.4°C | 20.1°C | 24.8°C | 0 mm | 78% | 2.9 m/s | 5.4 |
| 1987 | 33.7°C | 20.5°C | 27.1°C | 2 mm | 62% | 2.7 m/s | 5.3 |
| 1986 | 32.9°C | 20.6°C | 26.8°C | 3 mm | 68% | 2.6 m/s | 5.1 |
| 1985 | 33.0°C | 21.0°C | 27.0°C | 66 mm | 68% | 2.5 m/s | 5.1 |
| 1984 | 30.5°C | 20.6°C | 25.6°C | 70 mm | 78% | 3.2 m/s | 4.9 |
| 1983 | 34.0°C | 19.6°C | 26.8°C | 0 mm | 64% | 2.8 m/s | — |
| 1982 | 30.7°C | 19.3°C | 25.0°C | 0 mm | 75% | 2.8 m/s | — |
| 1981 | 30.8°C | 19.4°C | 25.1°C | 75 mm | 73% | 2.6 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 32°C with lows near 20.2°C (mean 26.1°C), based on 45 years of NASA POWER data.
January averages 26 mm of rainfall in Thiruvananthapuram, one of the drier months. The wettest on record was 231 mm in 2021.
The hottest January reached 34.3°C in 1991. The coldest dipped to 18.4°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.3°C. Daytime highs moved from 31.8°C to 31.2°C and overnight lows from 20°C to 21.1°C over the same span.
January is one of the cooler months of the year in Thiruvananthapuram and one of the drier months, so plan for around 32°C daytime highs and 20.2°C at night.
Not quite — January is the 3rd coolest month in Thiruvananthapuram, averaging 26.1°C.
For January in Thiruvananthapuram, pack light, breathable clothing and sun protection, with typical highs of 32°C and lows of 20.2°C.
Relative humidity in January averages 72% — moderately humid.
Average wind speed in January is 2.8 m/s. The windiest January on record averaged 3.4 m/s (2007).
The wettest January on record was 2021 with 231 mm. On average, January sees 26 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 Thiruvananthapuram 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.
