December is one of the cooler months of the year in Tenkasi, with average highs near 28.1°C and lows around 19.4°C (mean 23.8°C). It is one of the drier months, averaging 69 mm of rainfall and 85% relative humidity across the period.
December is one of the cooler months of the year in Tenkasi. Across 45 years of records, the warmest December in Tenkasi was 2016 — when the month averaged 26°C — while the coldest was 1992 at 22.1°C. Typical December days reach 28.1°C with nights near 19.4°C. The long-term December temperature trend is broadly flat.
December is one of the drier months in Tenkasi, averaging 69 mm of rainfall. The wettest December on record was 1987 with 301 mm, while the driest was 1995 at 1 mm.
Relative humidity in Tenkasi during December averages 85%. The most humid December was 1997 at 91%, and the least humid was 1984 at 71%.
December receives about 4.5 kWh/m²/day of solar energy in Tenkasi. The sunniest December was 1995 at 5.4 kWh/m²/day, and the cloudiest were 1998, 2014 and 2020 at 3.9.
Average wind speed in Tenkasi during December is 1.9 m/s. The windiest Decembers were 1992, 2006 and 2012 at 2.3 m/s, while the calmest was 1987 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.2°C | 23.2°C | 23.0°C | 24.4°C | 24.1°C | -0.1°C |
| Avg High | 28.9°C | 27.6°C | 27.4°C | 28.7°C | 28.1°C | -0.8°C |
| Avg Low | 19.5°C | 18.9°C | 18.7°C | 20.1°C | 20.2°C | +0.7°C |
| Avg Rain | 74 mm | 62 mm | 33 mm | 76 mm | 122 mm | +48 mm |
December temperatures in Tenkasi have stayed relatively stable across the record.
December has ranged from a record low of 13.3°C (1994) to a record high of 34.8°C (1984).
Rainfall in December is one of the drier months, averaging 69 mm, with a wettest year of 301 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°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 Tenkasi
December is one of the best times to visit Tenkasi. Expect days averaging 28.1°C and nights around 19.4°C (mean 23.8°C) — cooler than Tenkasi's yearly average — with moderate rainfall (69 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 | 27.9°C | 23.1°C | 18.3°C | 31.2°C | 14.7°C | 16 mm | 84% | 1.7 m/s | — |
| 2024 | 29.3°C | 25.3°C | 21.4°C | 31.0°C | 18.9°C | 124 mm | 86% | 1.6 m/s | 4.4 |
| 2023 | 27.9°C | 24.7°C | 21.6°C | 30.3°C | 18.8°C | 293 mm | 90% | 2.2 m/s | 4 |
| 2022 | 28.6°C | 24.5°C | 20.3°C | 31.8°C | 17.4°C | 97 mm | 85% | 1.7 m/s | 4.1 |
| 2021 | 27.5°C | 23.5°C | 19.5°C | 30.3°C | 15.1°C | 107 mm | 89% | 1.7 m/s | 4.8 |
| 2020 | 27.2°C | 23.7°C | 20.1°C | 28.8°C | 16.9°C | 96 mm | 89% | 1.9 m/s | 3.9 |
| 2019 | 27.7°C | 24.1°C | 20.6°C | 28.9°C | 18.7°C | 61 mm | 90% | 2 m/s | 4.1 |
| 2018 | 30.6°C | 25.5°C | 20.4°C | 32.6°C | 18.6°C | 16 mm | 78% | 1.6 m/s | 4.5 |
| 2017 | 27.8°C | 23.8°C | 19.7°C | 29.5°C | 15.0°C | 91 mm | 87% | 1.7 m/s | 4.6 |
| 2016 🔥 | 32.2°C | 26.0°C | 19.9°C | 33.7°C | 17.3°C | 38 mm | 72% | 1.8 m/s | 4.7 |
| 2015 | 27.2°C | 23.9°C | 20.7°C | 29.0°C | 16.7°C | 136 mm | 91% | 1.9 m/s | 4 |
| 2014 | 27.1°C | 23.7°C | 20.2°C | 29.6°C | 16.1°C | 85 mm | 89% | 1.9 m/s | 3.9 |
| 2013 | 28.9°C | 24.1°C | 19.3°C | 30.5°C | 16.0°C | 53 mm | 81% | 1.7 m/s | 4.5 |
| 2012 | 30.1°C | 25.3°C | 20.6°C | 31.7°C | 17.1°C | 46 mm | 79% | 2.3 m/s | 4.3 |
| 2011 | 28.5°C | 23.9°C | 19.4°C | 31.5°C | 16.1°C | 104 mm | 83% | 1.8 m/s | 4.4 |
| 2010 | 26.8°C | 23.2°C | 19.7°C | 28.5°C | 16.1°C | 128 mm | 89% | 1.5 m/s | 4.1 |
| 2009 | 27.8°C | 24.1°C | 20.3°C | 29.6°C | 16.7°C | 37 mm | 87% | 1.8 m/s | 4.3 |
| 2008 | 27.2°C | 22.8°C | 18.5°C | 28.6°C | 13.6°C | 17 mm | 87% | 1.9 m/s | 4.5 |
| 2007 | 27.2°C | 23.1°C | 19.0°C | 29.1°C | 15.7°C | 28 mm | 85% | 2 m/s | 4.4 |
| 2006 | 26.7°C | 22.3°C | 18.0°C | 28.2°C | 14.3°C | 6 mm | 88% | 2.3 m/s | 4.7 |
| 2005 | 27.3°C | 23.6°C | 19.9°C | 30.1°C | 15.2°C | 104 mm | 88% | 1.4 m/s | 4.6 |
| 2004 | 27.1°C | 22.5°C | 17.9°C | 28.3°C | 14.7°C | 20 mm | 86% | 2.2 m/s | 4.7 |
| 2003 | 27.8°C | 23.0°C | 18.2°C | 29.9°C | 14.8°C | 16 mm | 84% | 1.8 m/s | 5.1 |
| 2002 | 26.9°C | 22.8°C | 18.7°C | 28.4°C | 15.8°C | 8 mm | 85% | 1.9 m/s | 4.4 |
| 2001 | 26.8°C | 22.8°C | 18.9°C | 28.0°C | 14.6°C | 37 mm | 88% | 2.1 m/s | 4.6 |
| 2000 | 28.7°C | 23.2°C | 17.8°C | 32.2°C | 14.0°C | 56 mm | 80% | 2 m/s | 4.9 |
| 1999 | 27.1°C | 22.8°C | 18.4°C | 28.2°C | 14.2°C | 20 mm | 85% | 1.8 m/s | 4.8 |
| 1998 | 26.5°C | 23.1°C | 19.7°C | 28.7°C | 15.1°C | 187 mm | 89% | 1.8 m/s | 3.9 |
| 1997 | 27.7°C | 24.5°C | 21.3°C | 29.0°C | 17.3°C | 93 mm | 91% | 1.7 m/s | 4.3 |
| 1996 | 27.0°C | 22.8°C | 18.5°C | 29.5°C | 14.3°C | 92 mm | 87% | 1.5 m/s | 4.5 |
| 1995 | 29.4°C | 23.4°C | 17.4°C | 31.5°C | 15.1°C | 1 mm | 76% | 2.1 m/s | 5.4 |
| 1994 | 27.9°C | 22.6°C | 17.3°C | 30.3°C | 13.3°C | 23 mm | 82% | 2.1 m/s | 5.2 |
| 1993 | 26.6°C | 23.2°C | 19.7°C | 28.9°C | 16.2°C | 153 mm | 90% | 2 m/s | 4 |
| 1992 ❄️ | 26.3°C | 22.1°C | 17.8°C | 28.1°C | 13.5°C | 26 mm | 88% | 2.3 m/s | 4.8 |
| 1991 | 28.1°C | 23.3°C | 18.6°C | 31.5°C | 14.5°C | 13 mm | 83% | 1.9 m/s | 4.9 |
| 1990 | 28.9°C | 24.4°C | 19.9°C | 31.7°C | 16.9°C | 16 mm | 82% | 2.1 m/s | 4.6 |
| 1989 | 28.6°C | 23.7°C | 18.7°C | 31.5°C | 15.8°C | 19 mm | 82% | 2.1 m/s | 5 |
| 1988 | 29.2°C | 24.0°C | 18.9°C | 31.0°C | 15.3°C | 34 mm | 79% | 1.9 m/s | 5 |
| 1987 🌧️ | 27.3°C | 24.0°C | 20.8°C | 29.1°C | 15.9°C | 301 mm | 89% | 1.3 m/s | 4.6 |
| 1986 | 31.1°C | 25.8°C | 20.5°C | 32.9°C | 17.0°C | 19 mm | 76% | 2.2 m/s | 4.8 |
| 1985 | 28.9°C | 24.2°C | 19.4°C | 31.1°C | 15.7°C | 48 mm | 82% | 1.8 m/s | 4.8 |
| 1984 | 31.3°C | 24.9°C | 18.5°C | 34.8°C | 15.1°C | 12 mm | 71% | 1.6 m/s | 5.1 |
| 1983 | 28.3°C | 24.4°C | 20.5°C | 31.1°C | 17.8°C | 187 mm | 84% | 1.9 m/s | — |
| 1982 | 28.6°C | 23.9°C | 19.2°C | 30.9°C | 16.8°C | 25 mm | 81% | 2.2 m/s | — |
| 1981 | 26.9°C | 23.0°C | 19.1°C | 28.9°C | 15.6°C | 21 mm | 88% | 1.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 28.1°C with lows near 19.4°C (mean 23.8°C), based on 45 years of NASA POWER data.
December averages 69 mm of rainfall in Tenkasi, one of the drier months. The wettest on record was 301 mm in 1987.
The hottest December reached 34.8°C in 1984. The coldest dipped to 13.3°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 19.3°C to 20.2°C while daytime highs eased from 28.8°C to 28.2°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Tenkasi and one of the drier months, so plan for around 28.1°C daytime highs and 19.4°C at night.
Yes — December is the coldest month of the year in Tenkasi, averaging 23.8°C.
For December in Tenkasi, pack light layers you can adjust through the day, with typical highs of 28.1°C and lows of 19.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 85% — quite humid.
Average wind speed in December is 1.9 m/s. The windiest December on record averaged 2.3 m/s (1992).
The wettest December on record was 1987 with 301 mm. On average, December sees 69 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 Tenkasi 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.
