December is one of the cooler months of the year in Thoothukudi, with average highs near 30.9°C and lows around 19.2°C (mean 25°C). It is one of the drier months, averaging 83 mm of rainfall and 83% relative humidity across the period.
December is one of the cooler months of the year in Thoothukudi. Across 45 years of records, the warmest December in Thoothukudi was 2018 — when the month averaged 26.9°C — while the coldest were 1992 and 2006 at 23.5°C. Typical December days reach 30.9°C with nights near 19.2°C. The long-term December temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.5°C | 24.8°C | 24.3°C | 25.5°C | 25.5°C | 0°C |
| Avg High | 31.6°C | 30.9°C | 30.1°C | 31.2°C | 30.9°C | -0.7°C |
| Avg Low | 19.4°C | 18.7°C | 18.5°C | 19.8°C | 20.0°C | +0.6°C |
| Avg Rain | 85 mm | 75 mm | 49 mm | 85 mm | 150 mm | +65 mm |
December temperatures in Thoothukudi have risen by about 0.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 17.2°C (1996) to a record high of 33.9°C (1984).
Rainfall in December is one of the drier months, averaging 83 mm, with a wettest year of 352 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
One of the best times to visit Thoothukudi
December is one of the best times to visit Thoothukudi. Expect days averaging 30.9°C and nights around 19.2°C (mean 25°C) — cooler than Thoothukudi's yearly average — with higher rainfall (83 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 31.7°C | 18.3°C | 25.0°C | 23 mm | 84% | 3 m/s | — |
| 2024 | 31.4°C | 21.6°C | 26.5°C | 219 mm | 85% | 2.6 m/s | 4.5 |
| 2023 🌧️ | 30.8°C | 21.7°C | 26.2°C | 352 mm | 88% | 3.4 m/s | 4 |
| 2022 | 31.2°C | 20.9°C | 26.0°C | 109 mm | 85% | 2.8 m/s | 4.2 |
| 2021 | 30.6°C | 18.0°C | 24.3°C | 65 mm | 86% | 2.8 m/s | 5.1 |
| 2020 | 29.9°C | 19.7°C | 24.8°C | 134 mm | 88% | 3.3 m/s | 4 |
| 2019 | 29.7°C | 21.5°C | 25.6°C | 88 mm | 88% | 3.1 m/s | 4.1 |
| 2018 🔥 | 32.8°C | 21.1°C | 26.9°C | 19 mm | 79% | 2.8 m/s | 4.6 |
| 2017 | 30.4°C | 19.6°C | 25.0°C | 92 mm | 84% | 2.8 m/s | 4.8 |
| 2016 | 33.6°C | 19.6°C | 26.6°C | 52 mm | 73% | 2.8 m/s | 5 |
| 2015 | 30.1°C | 20.2°C | 25.1°C | 194 mm | 90% | 3 m/s | 4.3 |
| 2014 | 30.0°C | 19.9°C | 24.9°C | 83 mm | 88% | 3.1 m/s | 3.8 |
| 2013 | 31.1°C | 19.1°C | 25.1°C | 90 mm | 80% | 3 m/s | 4.4 |
| 2012 | 31.8°C | 19.6°C | 25.7°C | 57 mm | 80% | 3.5 m/s | 4.2 |
| 2011 | 32.5°C | 18.7°C | 25.6°C | 61 mm | 83% | 3 m/s | 4.5 |
| 2010 | 29.8°C | 18.8°C | 24.3°C | 112 mm | 88% | 2.6 m/s | 4 |
| 2009 | 29.9°C | 19.9°C | 24.9°C | 61 mm | 86% | 3.1 m/s | 4.3 |
| 2008 | 29.7°C | 17.9°C | 23.8°C | 33 mm | 84% | 3.2 m/s | 4.6 |
| 2007 | 31.6°C | 18.6°C | 25.1°C | 73 mm | 82% | 3.5 m/s | 4.2 |
| 2006 | 29.0°C | 17.9°C | 23.5°C | 16 mm | 85% | 3.7 m/s | 4.7 |
| 2005 | 30.3°C | 19.2°C | 24.8°C | 115 mm | 86% | 2.3 m/s | 4.7 |
| 2004 | 29.5°C | 17.8°C | 23.7°C | 39 mm | 85% | 3.7 m/s | 4.6 |
| 2003 | 30.7°C | 18.5°C | 24.6°C | 7 mm | 82% | 3.1 m/s | 5.2 |
| 2002 | 29.6°C | 18.8°C | 24.2°C | 27 mm | 84% | 3.2 m/s | 4.3 |
| 2001 | 29.2°C | 18.6°C | 23.9°C | 64 mm | 86% | 3.4 m/s | 4.6 |
| 2000 | 31.6°C | 17.7°C | 24.7°C | 58 mm | 80% | 3.5 m/s | 5 |
| 1999 | 29.5°C | 18.3°C | 23.9°C | 31 mm | 83% | 3.2 m/s | 5 |
| 1998 | 29.8°C | 18.6°C | 24.2°C | 240 mm | 88% | 3.2 m/s | 4.1 |
| 1997 | 30.0°C | 20.8°C | 25.4°C | 83 mm | 89% | 2.7 m/s | 3.9 |
| 1996 | 33.5°C | 17.2°C | 25.3°C | 109 mm | 81% | 2.8 m/s | 4.1 |
| 1995 | 32.1°C | 19.0°C | 25.6°C | 3 mm | 71% | 3.7 m/s | 4.5 |
| 1994 | 31.9°C | 17.7°C | 24.8°C | 21 mm | 77% | 3.7 m/s | 5 |
| 1993 | 29.3°C | 19.3°C | 24.3°C | 184 mm | 89% | 3.4 m/s | 3.7 |
| 1992 ❄️ | 28.8°C | 18.1°C | 23.5°C | 37 mm | 85% | 3.7 m/s | 4.2 |
| 1991 | 32.0°C | 18.3°C | 25.2°C | 24 mm | 81% | 3.2 m/s | 4.3 |
| 1990 | 32.4°C | 19.6°C | 26.0°C | 16 mm | 79% | 3.4 m/s | 4.2 |
| 1989 | 32.8°C | 19.5°C | 26.1°C | 26 mm | 78% | 3.5 m/s | 4.7 |
| 1988 | 32.2°C | 19.3°C | 25.7°C | 29 mm | 75% | 3.1 m/s | 4.5 |
| 1987 | 30.1°C | 19.0°C | 24.6°C | 285 mm | 86% | 2.2 m/s | 4.4 |
| 1986 | 32.8°C | 20.5°C | 26.7°C | 33 mm | 77% | 3.3 m/s | 4.5 |
| 1985 | 31.4°C | 18.7°C | 25.0°C | 62 mm | 81% | 3 m/s | 4.6 |
| 1984 | 33.9°C | 17.5°C | 25.7°C | 29 mm | 75% | 2.7 m/s | 4.6 |
| 1983 | 30.4°C | 21.0°C | 25.7°C | 233 mm | 85% | 3.1 m/s | — |
| 1982 | 31.4°C | 20.1°C | 25.8°C | 36 mm | 80% | 3.5 m/s | — |
| 1981 | 29.3°C | 18.6°C | 23.9°C | 33 mm | 86% | 2.8 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 30.9°C with lows near 19.2°C (mean 25°C), based on 45 years of NASA POWER data.
December averages 83 mm of rainfall in Thoothukudi, one of the drier months. The wettest on record was 352 mm in 2023.
The hottest December reached 33.9°C in 1984. The coldest dipped to 17.2°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.4°C. Daytime highs moved from 31.3°C to 31.1°C and overnight lows from 19.2°C to 20.1°C over the same span.
December is one of the cooler months of the year in Thoothukudi and one of the drier months, so plan for around 30.9°C daytime highs and 19.2°C at night.
Yes — December is the coldest month of the year in Thoothukudi, averaging 25°C.
For December in Thoothukudi, pack light, breathable clothing and sun protection, with typical highs of 30.9°C and lows of 19.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 83% — quite humid.
Average wind speed in December is 3.1 m/s. The windiest December on record averaged 3.7 m/s (1992).
The wettest December on record was 2023 with 352 mm. On average, December sees 83 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 Thoothukudi behaves each December, 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 December specifically, along with year-by-year records and how the month has changed over the decades.
