December is one of the cooler months of the year in Sivaganga, with average highs near 29°C and lows around 21.1°C (mean 25.1°C). It is a relatively wet time of year, averaging 96 mm of rainfall and 83% relative humidity across the period.
December is one of the cooler months of the year in Sivaganga. Across 45 years of records, the warmest December in Sivaganga was 2016 — when the month averaged 26.9°C — while the coldest was 1992 at 23.8°C. Typical December days reach 29°C with nights near 21.1°C. The long-term December temperature trend is broadly flat.
December is a relatively wet time of year in Sivaganga, averaging 96 mm of rainfall. The wettest December on record was 1983 with 290 mm, while the driest was 1990 at 6 mm.
Relative humidity in Sivaganga during December averages 83%. The most humid December was 1993 at 90%, and the least humid were 1995 and 2016 at 70%.
December receives about 4.5 kWh/m²/day of solar energy in Sivaganga. The sunniest Decembers were 1994 and 2021 at 5.1 kWh/m²/day, and the cloudiest was 1993 at 3.6.
Average wind speed in Sivaganga during December is 3.1 m/s. The windiest Decembers were 1995 and 2012 at 3.6 m/s, while the calmest were 2005, 2010 and 2024, among others at 2.6 m/s.
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 | 24.6°C | 25.4°C | 25.1°C | -0.4°C |
| Avg High | 29.8°C | 28.9°C | 28.5°C | 29.4°C | 28.4°C | -1.4°C |
| Avg Low | 21.2°C | 20.8°C | 20.7°C | 21.5°C | 21.7°C | +0.5°C |
| Avg Rain | 94 mm | 95 mm | 73 mm | 81 mm | 160 mm | +66 mm |
December temperatures in Sivaganga have stayed relatively stable across the record.
December has ranged from a record low of 15.6°C (2007) to a record high of 35.3°C (1996).
Rainfall in December is a relatively wet time of year, averaging 96 mm, with a wettest year of 290 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°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 Sivaganga
December is one of the best times to visit Sivaganga. Expect days averaging 29°C and nights around 21.1°C (mean 25.1°C) — cooler than Sivaganga's yearly average — with higher rainfall (96 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 | 28.0°C | 24.1°C | 20.2°C | 29.9°C | 17.3°C | 79 mm | 86% | 2.8 m/s | — |
| 2024 | 29.1°C | 26.0°C | 22.8°C | 30.6°C | 20.8°C | 163 mm | 87% | 2.6 m/s | 4.4 |
| 2023 | 29.0°C | 25.9°C | 22.8°C | 31.0°C | 20.4°C | 131 mm | 88% | 3.2 m/s | 4 |
| 2022 | 28.4°C | 25.1°C | 21.8°C | 29.8°C | 19.2°C | 254 mm | 87% | 2.8 m/s | 4.3 |
| 2021 | 28.4°C | 24.8°C | 21.2°C | 30.6°C | 16.9°C | 66 mm | 87% | 2.7 m/s | 5.1 |
| 2020 | 27.7°C | 24.7°C | 21.6°C | 29.1°C | 18.6°C | 265 mm | 89% | 3.3 m/s | 3.9 |
| 2019 | 28.6°C | 25.4°C | 22.1°C | 29.4°C | 20.0°C | 125 mm | 88% | 3 m/s | 4 |
| 2018 | 30.1°C | 25.8°C | 21.5°C | 32.1°C | 18.5°C | 30 mm | 82% | 2.7 m/s | 4.5 |
| 2017 | 29.4°C | 25.4°C | 21.4°C | 30.9°C | 18.7°C | 42 mm | 82% | 2.8 m/s | 4.8 |
| 2016 🔥 | 32.4°C | 26.9°C | 21.3°C | 35.2°C | 17.8°C | 65 mm | 70% | 2.8 m/s | 4.8 |
| 2015 | 28.2°C | 25.2°C | 22.2°C | 29.7°C | 19.0°C | 149 mm | 89% | 3 m/s | 4.2 |
| 2014 | 28.3°C | 25.0°C | 21.7°C | 31.2°C | 18.6°C | 57 mm | 87% | 3.2 m/s | 4 |
| 2013 | 29.5°C | 25.1°C | 20.7°C | 31.5°C | 18.0°C | 110 mm | 80% | 3 m/s | 4.4 |
| 2012 | 31.2°C | 26.6°C | 22.0°C | 32.9°C | 18.9°C | 41 mm | 78% | 3.6 m/s | 4.4 |
| 2011 | 28.6°C | 24.6°C | 20.7°C | 32.2°C | 17.7°C | 64 mm | 83% | 3 m/s | 4.5 |
| 2010 | 27.3°C | 24.3°C | 21.2°C | 29.6°C | 17.8°C | 129 mm | 89% | 2.6 m/s | 3.9 |
| 2009 | 28.5°C | 25.0°C | 21.6°C | 29.6°C | 18.3°C | 96 mm | 87% | 3 m/s | 4.2 |
| 2008 | 27.9°C | 24.1°C | 20.4°C | 29.4°C | 16.6°C | 52 mm | 87% | 2.9 m/s | 4.5 |
| 2007 | 28.5°C | 24.7°C | 20.8°C | 30.8°C | 15.6°C | 197 mm | 84% | 3.3 m/s | 4.2 |
| 2006 | 28.3°C | 24.4°C | 20.5°C | 29.1°C | 17.2°C | 29 mm | 84% | 3.5 m/s | 4.8 |
| 2005 | 27.7°C | 24.4°C | 21.2°C | 29.4°C | 18.2°C | 122 mm | 88% | 2.6 m/s | 4.5 |
| 2004 | 27.8°C | 23.9°C | 20.0°C | 29.0°C | 16.9°C | 41 mm | 86% | 3.4 m/s | 4.5 |
| 2003 | 29.1°C | 24.8°C | 20.4°C | 30.6°C | 17.5°C | 8 mm | 82% | 3 m/s | 5 |
| 2002 | 30.2°C | 25.5°C | 20.8°C | 31.9°C | 17.4°C | 35 mm | 77% | 3.3 m/s | 4.6 |
| 2001 | 28.6°C | 24.8°C | 21.0°C | 30.3°C | 17.7°C | 68 mm | 83% | 3.4 m/s | 4.6 |
| 2000 | 28.3°C | 24.2°C | 20.1°C | 30.2°C | 17.1°C | 84 mm | 83% | 3.3 m/s | 4.8 |
| 1999 | 28.3°C | 24.1°C | 20.0°C | 29.4°C | 17.6°C | 51 mm | 84% | 3.2 m/s | 4.7 |
| 1998 | 27.4°C | 24.2°C | 21.1°C | 30.2°C | 17.4°C | 259 mm | 88% | 3.2 m/s | 4.2 |
| 1997 | 29.0°C | 26.0°C | 23.0°C | 30.2°C | 19.9°C | 93 mm | 88% | 2.6 m/s | 4 |
| 1996 | 28.7°C | 24.5°C | 20.4°C | 35.3°C | 16.0°C | 219 mm | 82% | 2.8 m/s | 4.3 |
| 1995 | 31.0°C | 25.6°C | 20.2°C | 32.0°C | 18.4°C | 9 mm | 70% | 3.6 m/s | 4.9 |
| 1994 | 29.5°C | 24.5°C | 19.5°C | 31.2°C | 16.9°C | 21 mm | 77% | 3.5 m/s | 5.1 |
| 1993 | 27.1°C | 24.0°C | 20.9°C | 28.4°C | 17.5°C | 210 mm | 90% | 3.4 m/s | 3.6 |
| 1992 ❄️ | 27.5°C | 23.8°C | 20.1°C | 28.8°C | 17.5°C | 51 mm | 85% | 3.5 m/s | 4.5 |
| 1991 | 29.3°C | 25.0°C | 20.7°C | 31.7°C | 17.5°C | 35 mm | 81% | 3.1 m/s | 4.5 |
| 1990 | 31.2°C | 26.6°C | 22.0°C | 33.1°C | 19.2°C | 6 mm | 74% | 3.5 m/s | 4.3 |
| 1989 | 30.8°C | 25.8°C | 20.9°C | 33.0°C | 18.8°C | 45 mm | 76% | 3.4 m/s | 4.8 |
| 1988 | 31.9°C | 26.6°C | 21.3°C | 34.0°C | 18.2°C | 22 mm | 71% | 3.2 m/s | 4.8 |
| 1987 | 28.9°C | 25.4°C | 22.0°C | 32.5°C | 18.3°C | 214 mm | 85% | 2.6 m/s | 4.4 |
| 1986 | 30.6°C | 26.2°C | 21.9°C | 31.7°C | 19.0°C | 60 mm | 79% | 3.1 m/s | 4.6 |
| 1985 | 29.9°C | 25.5°C | 21.2°C | 31.6°C | 18.4°C | 60 mm | 80% | 3 m/s | 4.7 |
| 1984 | 30.1°C | 24.9°C | 19.7°C | 33.4°C | 15.9°C | 61 mm | 77% | 2.8 m/s | 4.9 |
| 1983 🌧️ | 28.4°C | 25.2°C | 22.1°C | 29.8°C | 19.8°C | 290 mm | 86% | 3.1 m/s | — |
| 1982 | 29.9°C | 25.5°C | 21.1°C | 31.5°C | 19.3°C | 40 mm | 77% | 3.4 m/s | — |
| 1981 | 27.8°C | 24.2°C | 20.6°C | 28.8°C | 17.4°C | 54 mm | 86% | 2.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 29°C with lows near 21.1°C (mean 25.1°C), based on 45 years of NASA POWER data.
December averages 96 mm of rainfall in Sivaganga, a relatively wet time of year. The wettest on record was 290 mm in 1983.
The hottest December reached 35.3°C in 1996. The coldest dipped to 15.6°C in 2007.
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 20.9°C to 21.8°C while daytime highs eased from 29.2°C to 28.6°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Sivaganga and a relatively wet time of year, so plan for around 29°C daytime highs and 21.1°C at night.
Yes — December is the coldest month of the year in Sivaganga, averaging 25.1°C.
For December in Sivaganga, pack light layers you can adjust through the day, with typical highs of 29°C and lows of 21.1°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 3.6 m/s (1995).
The wettest December on record was 1983 with 290 mm. On average, December sees 96 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 Sivaganga 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.
