January is one of the cooler months of the year in Thiruvananthapuram, with average highs near 30.3°C and lows around 22.5°C (mean 26.4°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 Januarys in Thiruvananthapuram were 1991 and 2013 — when the month averaged 27.8°C — while the coldest was 1982 at 24.9°C. Typical January days reach 30.3°C with nights near 22.5°C. The long-term January temperature trend is broadly flat.
January is one of the drier months in Thiruvananthapuram, averaging 26 mm of rainfall. The wettest January on record was 2021 with 231 mm, while the driest were 1993, 2008 and 2019, among others at 0 mm.
Relative humidity in Thiruvananthapuram during January averages 72%. The most humid January was 2021 at 82%, and the least humid was 1987 at 62%.
January receives about 5.4 kWh/m²/day of solar energy in Thiruvananthapuram. The sunniest Januarys were 2004 and 2020 at 6 kWh/m²/day, and the cloudiest were 1984, 1989 and 2021 at 4.9.
Average wind speed in Thiruvananthapuram during January is 2.8 m/s. The windiest January was 2007 at 3.4 m/s, while the calmest was 2018 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.5°C | 26.3°C | 26.4°C | 26.5°C | 26.4°C | -0.1°C |
| Avg High | 30.4°C | 30.4°C | 30.4°C | 30.4°C | 29.8°C | -0.6°C |
| Avg Low | 22.5°C | 22.2°C | 22.4°C | 22.6°C | 23.1°C | +0.6°C |
| Avg Rain | 24 mm | 13 mm | 9 mm | 19 mm | 90 mm | +66 mm |
January temperatures in Thiruvananthapuram have stayed relatively stable across the record.
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 0.1°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 30.3°C and nights around 22.5°C (mean 26.4°C) — close to Thiruvananthapuram's yearly average — with low rainfall (26 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 | 30.2°C | 26.7°C | 23.2°C | 32.1°C | 21.7°C | 29 mm | 74% | 3.2 m/s | 5.3 |
| 2024 | 29.5°C | 26.4°C | 23.3°C | 31.0°C | 21.2°C | 25 mm | 81% | 3.1 m/s | 5.3 |
| 2023 | 30.8°C | 26.5°C | 22.2°C | 32.0°C | 20.4°C | 25 mm | 68% | 2.6 m/s | 5.6 |
| 2022 | 29.2°C | 26.2°C | 23.2°C | 31.0°C | 22.0°C | 188 mm | 80% | 2.7 m/s | 5.8 |
| 2021 🌧️ | 28.6°C | 26.0°C | 23.4°C | 29.9°C | 20.4°C | 231 mm | 82% | 2.9 m/s | 4.9 |
| 2020 | 30.3°C | 26.7°C | 23.1°C | 32.5°C | 20.8°C | 40 mm | 76% | 2.5 m/s | 6 |
| 2019 | 31.4°C | 26.7°C | 22.1°C | 33.4°C | 19.5°C | 0 mm | 66% | 2.5 m/s | 5.8 |
| 2018 | 29.7°C | 26.2°C | 22.7°C | 32.4°C | 20.2°C | 4 mm | 72% | 2.3 m/s | 5.1 |
| 2017 | 31.9°C | 27.7°C | 23.5°C | 33.4°C | 21.1°C | 14 mm | 64% | 2.7 m/s | 5.3 |
| 2016 | 29.0°C | 25.7°C | 22.4°C | 30.7°C | 20.4°C | 1 mm | 79% | 2.8 m/s | 5.6 |
| 2015 | 29.3°C | 25.8°C | 22.4°C | 31.4°C | 20.0°C | 3 mm | 75% | 2.8 m/s | 5.8 |
| 2014 | 30.8°C | 26.7°C | 22.6°C | 32.6°C | 20.9°C | 37 mm | 70% | 2.9 m/s | 5.6 |
| 2013 | 32.2°C | 27.8°C | 23.4°C | 33.4°C | 21.0°C | 5 mm | 66% | 2.4 m/s | 5.7 |
| 2012 | 30.4°C | 26.3°C | 22.3°C | 31.5°C | 19.3°C | 5 mm | 70% | 2.6 m/s | 5.8 |
| 2011 | 28.6°C | 25.4°C | 22.2°C | 30.2°C | 19.3°C | 19 mm | 80% | 2.8 m/s | 5.3 |
| 2010 | 30.2°C | 26.5°C | 22.7°C | 32.0°C | 21.1°C | 102 mm | 74% | 2.9 m/s | 5.6 |
| 2009 | 30.0°C | 25.7°C | 21.4°C | 32.3°C | 19.0°C | 3 mm | 72% | 3 m/s | 5.9 |
| 2008 | 30.6°C | 26.3°C | 22.1°C | 32.1°C | 20.0°C | 0 mm | 72% | 3 m/s | 5.9 |
| 2007 | 29.4°C | 25.6°C | 21.8°C | 31.7°C | 20.0°C | 1 mm | 76% | 3.4 m/s | 5.7 |
| 2006 | 28.4°C | 25.2°C | 21.9°C | 29.4°C | 19.2°C | 30 mm | 80% | 3.2 m/s | 5.4 |
| 2005 | 31.0°C | 26.9°C | 22.9°C | 33.1°C | 20.5°C | 13 mm | 70% | 2.6 m/s | 5.5 |
| 2004 | 31.7°C | 27.3°C | 22.8°C | 33.0°C | 20.8°C | 4 mm | 68% | 2.8 m/s | 6 |
| 2003 | 30.5°C | 26.6°C | 22.7°C | 32.3°C | 20.9°C | 11 mm | 72% | 3.1 m/s | 5.7 |
| 2002 | 30.4°C | 26.6°C | 22.9°C | 32.7°C | 19.8°C | 3 mm | 73% | 2.5 m/s | 5.5 |
| 2001 | 31.0°C | 27.1°C | 23.1°C | 32.3°C | 21.2°C | 24 mm | 69% | 2.9 m/s | 5.2 |
| 2000 | 30.8°C | 26.7°C | 22.7°C | 32.8°C | 20.5°C | 4 mm | 70% | 3 m/s | 5.7 |
| 1999 | 28.2°C | 25.1°C | 22.0°C | 29.5°C | 19.7°C | 10 mm | 77% | 2.7 m/s | 5.6 |
| 1998 | 29.7°C | 26.4°C | 23.1°C | 31.8°C | 20.9°C | 3 mm | 78% | 3 m/s | 5.3 |
| 1997 | 30.6°C | 26.4°C | 22.1°C | 31.8°C | 19.4°C | 0 mm | 68% | 2.7 m/s | 5.5 |
| 1996 | 31.5°C | 26.9°C | 22.3°C | 33.1°C | 20.5°C | 34 mm | 64% | 2.8 m/s | 5.2 |
| 1995 | 31.5°C | 27.3°C | 23.2°C | 33.3°C | 20.8°C | 7 mm | 68% | 2.7 m/s | 5.1 |
| 1994 | 28.4°C | 25.2°C | 22.1°C | 29.9°C | 19.2°C | 46 mm | 80% | 3.1 m/s | 5.2 |
| 1993 | 29.8°C | 25.4°C | 21.0°C | 32.4°C | 18.7°C | 0 mm | 71% | 3 m/s | 5 |
| 1992 | 30.8°C | 26.0°C | 21.2°C | 32.4°C | 19.5°C | 17 mm | 66% | 3.3 m/s | 5.3 |
| 1991 🔥 | 32.1°C | 27.8°C | 23.5°C | 34.3°C | 20.7°C | 0 mm | 65% | 2.6 m/s | 5 |
| 1990 | 31.6°C | 26.8°C | 21.9°C | 33.2°C | 18.4°C | 9 mm | 64% | 2.8 m/s | 5.2 |
| 1989 | 31.9°C | 27.3°C | 22.7°C | 33.5°C | 20.8°C | 1 mm | 65% | 2.8 m/s | 4.9 |
| 1988 | 28.3°C | 25.1°C | 21.9°C | 29.4°C | 20.1°C | 0 mm | 78% | 2.9 m/s | 5.4 |
| 1987 | 32.4°C | 27.7°C | 23.1°C | 33.7°C | 20.5°C | 2 mm | 62% | 2.7 m/s | 5.3 |
| 1986 | 31.0°C | 27.2°C | 23.4°C | 32.9°C | 20.6°C | 3 mm | 68% | 2.6 m/s | 5.1 |
| 1985 | 31.1°C | 27.2°C | 23.3°C | 33.0°C | 21.0°C | 66 mm | 68% | 2.5 m/s | 5.1 |
| 1984 | 29.0°C | 26.1°C | 23.2°C | 30.5°C | 20.6°C | 70 mm | 78% | 3.2 m/s | 4.9 |
| 1983 | 32.2°C | 27.2°C | 22.3°C | 34.0°C | 19.6°C | 0 mm | 64% | 2.8 m/s | — |
| 1982 ❄️ | 28.9°C | 24.9°C | 21.0°C | 30.7°C | 19.3°C | 0 mm | 75% | 2.8 m/s | — |
| 1981 | 29.1°C | 25.5°C | 21.8°C | 30.8°C | 19.4°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 30.3°C with lows near 22.5°C (mean 26.4°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 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 22.3°C to 23.1°C while daytime highs eased from 30.1°C to 29.7°C, narrowing the gap between day and night.
January is one of the cooler months of the year in Thiruvananthapuram and one of the drier months, so plan for around 30.3°C daytime highs and 22.5°C at night.
Not quite — January is the 5th coolest month in Thiruvananthapuram, averaging 26.4°C.
For January in Thiruvananthapuram, pack light, breathable clothing and sun protection, with typical highs of 30.3°C and lows of 22.5°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.
