December is one of the cooler months of the year in Kallakurichi, with average highs near 28.4°C and lows around 18.4°C (mean 23.4°C). It is about average for rainfall, averaging 70 mm of rainfall and 82% relative humidity across the period.
December is one of the cooler months of the year in Kallakurichi. Across 45 years of records, the warmest December in Kallakurichi was 2016 — when the month averaged 25.3°C — while the coldest was 2004 at 22.1°C. Typical December days reach 28.4°C with nights near 18.4°C. The long-term December temperature trend is broadly flat.
December is about average for rainfall in Kallakurichi, averaging 70 mm of rainfall. The wettest December on record was 2024 with 229 mm, while the driest was 1990 at 3 mm.
Relative humidity in Kallakurichi during December averages 82%. The most humid December was 1997 at 89%, and the least humid was 2016 at 68%.
December receives about 4.3 kWh/m²/day of solar energy in Kallakurichi. The sunniest December was 1995 at 5.1 kWh/m²/day, and the cloudiest was 2010 at 3.6.
Average wind speed in Kallakurichi during December is 2.5 m/s. The windiest December was 1990 at 3 m/s, while the calmest were 2008, 2021 and 2024, among others at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.8°C | 22.9°C | 23.0°C | 23.9°C | 23.6°C | -0.2°C |
| Avg High | 29.0°C | 28.0°C | 28.2°C | 28.9°C | 28.0°C | -1°C |
| Avg Low | 18.6°C | 17.9°C | 17.9°C | 18.8°C | 19.3°C | +0.7°C |
| Avg Rain | 71 mm | 82 mm | 57 mm | 54 mm | 98 mm | +26 mm |
December temperatures in Kallakurichi have risen by about 0.3°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 12.7°C (1996) to a record high of 34.3°C (2016).
Rainfall in December is about average for rainfall, averaging 70 mm, with a wettest year of 229 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 Kallakurichi
December is one of the best times to visit Kallakurichi. Expect days averaging 28.4°C and nights around 18.4°C (mean 23.4°C) — cooler than Kallakurichi's yearly average — with moderate rainfall (70 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 | 28.4°C | 23.0°C | 17.6°C | 31.3°C | 13.9°C | 22 mm | 82% | 2.4 m/s | — |
| 2024 🌧️ | 28.1°C | 24.4°C | 20.7°C | 30.1°C | 17.2°C | 229 mm | 88% | 2.1 m/s | 3.7 |
| 2023 | 29.4°C | 24.9°C | 20.4°C | 31.8°C | 17.2°C | 32 mm | 83% | 2.7 m/s | 3.7 |
| 2022 | 27.9°C | 23.8°C | 19.7°C | 29.5°C | 16.7°C | 94 mm | 86% | 2.3 m/s | 3.9 |
| 2021 | 27.3°C | 22.9°C | 18.6°C | 30.3°C | 14.1°C | 32 mm | 87% | 2.1 m/s | 4.4 |
| 2020 | 26.8°C | 22.8°C | 18.8°C | 28.4°C | 15.5°C | 177 mm | 88% | 2.7 m/s | 3.8 |
| 2019 | 27.8°C | 23.7°C | 19.6°C | 28.7°C | 17.6°C | 68 mm | 87% | 2.4 m/s | 4 |
| 2018 | 30.1°C | 24.6°C | 19.1°C | 33.0°C | 16.6°C | 15 mm | 79% | 2.3 m/s | 4.4 |
| 2017 | 28.0°C | 23.2°C | 18.4°C | 29.6°C | 15.7°C | 52 mm | 83% | 2.3 m/s | 4.4 |
| 2016 🔥 | 32.1°C | 25.3°C | 18.5°C | 34.3°C | 14.8°C | 48 mm | 68% | 2.5 m/s | 4.5 |
| 2015 | 27.2°C | 23.3°C | 19.4°C | 28.8°C | 16.2°C | 121 mm | 89% | 2.4 m/s | 4 |
| 2014 | 29.0°C | 24.1°C | 19.2°C | 32.2°C | 15.7°C | 33 mm | 81% | 2.7 m/s | 3.8 |
| 2013 | 29.7°C | 23.7°C | 17.7°C | 32.7°C | 13.7°C | 35 mm | 76% | 2.5 m/s | 4.6 |
| 2012 | 30.4°C | 24.9°C | 19.4°C | 32.4°C | 16.5°C | 17 mm | 78% | 2.9 m/s | 4.5 |
| 2011 | 28.2°C | 23.1°C | 18.0°C | 31.4°C | 14.0°C | 43 mm | 81% | 2.5 m/s | 4.3 |
| 2010 | 26.5°C | 22.6°C | 18.7°C | 29.3°C | 14.2°C | 113 mm | 88% | 2.2 m/s | 3.6 |
| 2009 | 28.4°C | 23.9°C | 19.4°C | 30.4°C | 15.5°C | 74 mm | 84% | 2.6 m/s | 3.7 |
| 2008 | 26.8°C | 22.2°C | 17.6°C | 28.8°C | 12.9°C | 32 mm | 86% | 2.1 m/s | 4.4 |
| 2007 | 27.5°C | 23.0°C | 18.4°C | 28.8°C | 13.7°C | 186 mm | 84% | 2.5 m/s | 4 |
| 2006 | 28.3°C | 22.9°C | 17.5°C | 29.2°C | 14.4°C | 27 mm | 81% | 2.7 m/s | 4.5 |
| 2005 | 26.7°C | 22.6°C | 18.6°C | 28.9°C | 14.3°C | 97 mm | 89% | 2.3 m/s | 4.2 |
| 2004 ❄️ | 27.5°C | 22.1°C | 16.7°C | 28.7°C | 14.3°C | 14 mm | 83% | 2.5 m/s | 4.9 |
| 2003 | 29.4°C | 23.6°C | 17.8°C | 32.1°C | 14.0°C | 5 mm | 78% | 2.4 m/s | 5 |
| 2002 | 30.1°C | 23.9°C | 17.7°C | 31.8°C | 15.1°C | 27 mm | 76% | 2.5 m/s | 4.8 |
| 2001 | 28.6°C | 23.4°C | 18.3°C | 30.3°C | 13.9°C | 38 mm | 79% | 2.9 m/s | 4.4 |
| 2000 | 28.3°C | 22.7°C | 17.2°C | 30.1°C | 13.8°C | 66 mm | 81% | 2.6 m/s | 4.6 |
| 1999 | 27.8°C | 22.4°C | 17.1°C | 29.4°C | 14.3°C | 47 mm | 82% | 2.5 m/s | 4.4 |
| 1998 | 26.9°C | 22.5°C | 18.2°C | 29.5°C | 13.5°C | 176 mm | 85% | 2.6 m/s | 3.9 |
| 1997 | 27.8°C | 24.2°C | 20.6°C | 29.0°C | 16.9°C | 120 mm | 89% | 2.1 m/s | 4 |
| 1996 | 27.2°C | 22.4°C | 17.7°C | 32.9°C | 12.7°C | 226 mm | 83% | 2.4 m/s | 3.9 |
| 1995 | 29.7°C | 23.2°C | 16.7°C | 31.0°C | 14.6°C | 5 mm | 73% | 2.7 m/s | 5.1 |
| 1994 | 28.8°C | 22.6°C | 16.3°C | 31.0°C | 13.0°C | 39 mm | 77% | 2.7 m/s | 4.9 |
| 1993 | 26.2°C | 22.2°C | 18.1°C | 28.1°C | 15.2°C | 154 mm | 88% | 2.7 m/s | 3.7 |
| 1992 | 27.5°C | 22.3°C | 17.0°C | 28.3°C | 13.4°C | 35 mm | 82% | 2.8 m/s | 4.4 |
| 1991 | 27.8°C | 22.7°C | 17.6°C | 31.1°C | 14.7°C | 18 mm | 83% | 2.3 m/s | 4.5 |
| 1990 | 30.5°C | 24.9°C | 19.3°C | 33.2°C | 16.0°C | 3 mm | 75% | 3 m/s | 4.5 |
| 1989 | 29.0°C | 23.5°C | 18.0°C | 31.8°C | 14.7°C | 42 mm | 79% | 2.7 m/s | 4.6 |
| 1988 | 30.6°C | 24.5°C | 18.3°C | 33.0°C | 14.6°C | 26 mm | 75% | 2.6 m/s | 4.9 |
| 1987 | 28.1°C | 23.9°C | 19.6°C | 31.6°C | 14.7°C | 166 mm | 84% | 2.5 m/s | 3.9 |
| 1986 | 29.8°C | 24.6°C | 19.3°C | 31.3°C | 14.7°C | 53 mm | 81% | 2.6 m/s | 4.5 |
| 1985 | 29.1°C | 23.7°C | 18.3°C | 31.0°C | 15.6°C | 29 mm | 81% | 2.4 m/s | 4.8 |
| 1984 | 30.0°C | 23.6°C | 17.3°C | 32.6°C | 14.2°C | 42 mm | 75% | 2.3 m/s | 4.7 |
| 1983 | 27.8°C | 23.9°C | 19.9°C | 29.8°C | 16.8°C | 212 mm | 85% | 2.7 m/s | — |
| 1982 | 29.6°C | 24.0°C | 18.4°C | 30.9°C | 15.8°C | 17 mm | 76% | 2.8 m/s | — |
| 1981 | 27.0°C | 22.5°C | 18.0°C | 28.5°C | 13.7°C | 54 mm | 85% | 2.2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 28.4°C with lows near 18.4°C (mean 23.4°C), based on 45 years of NASA POWER data.
December averages 70 mm of rainfall in Kallakurichi, about average for rainfall. The wettest on record was 229 mm in 2024.
The hottest December reached 34.3°C in 2016. The coldest dipped to 12.7°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 18.4°C to 19.4°C while daytime highs eased from 28.7°C to 28.2°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Kallakurichi and about average for rainfall, so plan for around 28.4°C daytime highs and 18.4°C at night.
Yes — December is the coldest month of the year in Kallakurichi, averaging 23.4°C.
For December in Kallakurichi, pack light layers you can adjust through the day, with typical highs of 28.4°C and lows of 18.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 82% — quite humid.
Average wind speed in December is 2.5 m/s. The windiest December on record averaged 3 m/s (1990).
The wettest December on record was 2024 with 229 mm. On average, December sees 70 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 Kallakurichi 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.
