December is one of the cooler months of the year in Dharmapuri, with average highs near 30.4°C and lows around 13.2°C (mean 21.8°C). It is one of the drier months, averaging 55 mm of rainfall and 79% relative humidity across the period.
December is one of the cooler months of the year in Dharmapuri. Across 45 years of records, the warmest December in Dharmapuri was 2018 — when the month averaged 24.7°C — while the coldest were 1992 and 2008 at 19.6°C. Typical December days reach 30.4°C with nights near 13.2°C. The long-term trend is warming, about 0.3°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.0°C | 20.8°C | 21.0°C | 22.8°C | 22.5°C | +0.5°C |
| Avg High | 30.9°C | 29.4°C | 29.5°C | 31.6°C | 30.5°C | -0.4°C |
| Avg Low | 13.2°C | 12.3°C | 12.5°C | 14.0°C | 14.4°C | +1.2°C |
| Avg Rain | 64 mm | 73 mm | 46 mm | 35 mm | 55 mm | -9 mm |
December temperatures in Dharmapuri have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 10.5°C (1994) to a record high of 34.8°C (2016).
Rainfall in December is one of the drier months, averaging 55 mm, with a wettest year of 194 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit Dharmapuri
December is one of the best times to visit Dharmapuri. Expect days averaging 30.4°C and nights around 13.2°C (mean 21.8°C) — cooler than Dharmapuri's yearly average — with moderate rainfall (55 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.4°C | 13.3°C | 22.9°C | 6 mm | 74% | 2.2 m/s | — |
| 2024 | 29.8°C | 15.3°C | 22.5°C | 163 mm | 86% | 1.8 m/s | 3.7 |
| 2023 | 32.8°C | 15.8°C | 24.3°C | 17 mm | 77% | 2.3 m/s | 3.7 |
| 2022 | 29.1°C | 15.2°C | 22.1°C | 72 mm | 84% | 2 m/s | 3.9 |
| 2021 | 29.5°C | 13.2°C | 21.4°C | 17 mm | 85% | 1.8 m/s | 4.3 |
| 2020 | 29.5°C | 13.4°C | 21.5°C | 58 mm | 83% | 2.2 m/s | 4.1 |
| 2019 | 31.0°C | 15.8°C | 23.4°C | 29 mm | 83% | 2.2 m/s | 3.9 |
| 2018 🔥 | 33.8°C | 15.6°C | 24.7°C | 5 mm | 69% | 2 m/s | 4.4 |
| 2017 | 30.0°C | 13.8°C | 21.9°C | 30 mm | 79% | 2 m/s | 4.5 |
| 2016 | 34.8°C | 13.4°C | 24.1°C | 50 mm | 63% | 2.1 m/s | 4.4 |
| 2015 | 29.9°C | 14.2°C | 22.1°C | 32 mm | 82% | 2.2 m/s | 4.2 |
| 2014 | 32.3°C | 14.6°C | 23.4°C | 25 mm | 77% | 2.2 m/s | 3.9 |
| 2013 | 32.3°C | 12.1°C | 22.2°C | 18 mm | 72% | 2.2 m/s | 4.7 |
| 2012 | 31.9°C | 15.6°C | 23.8°C | 23 mm | 76% | 2.4 m/s | 4.6 |
| 2011 | 31.6°C | 12.2°C | 21.9°C | 41 mm | 77% | 2.2 m/s | 4.3 |
| 2010 | 28.4°C | 12.9°C | 20.6°C | 92 mm | 87% | 1.8 m/s | 3.7 |
| 2009 | 30.9°C | 13.9°C | 22.4°C | 47 mm | 81% | 2.1 m/s | 3.9 |
| 2008 | 27.2°C | 12.0°C | 19.6°C | 21 mm | 85% | 1.8 m/s | 4.7 |
| 2007 | 28.1°C | 11.8°C | 20.0°C | 149 mm | 83% | 2.2 m/s | 4 |
| 2006 | 28.8°C | 12.9°C | 20.8°C | 22 mm | 80% | 2.2 m/s | 4.5 |
| 2005 | 28.2°C | 12.6°C | 20.4°C | 89 mm | 87% | 1.8 m/s | 4 |
| 2004 | 28.4°C | 13.0°C | 20.7°C | 11 mm | 82% | 2 m/s | 5.2 |
| 2003 | 32.3°C | 12.2°C | 22.2°C | 7 mm | 75% | 2 m/s | 5 |
| 2002 | 31.5°C | 12.4°C | 21.9°C | 24 mm | 72% | 2.1 m/s | 4.9 |
| 2001 | 29.2°C | 11.8°C | 20.5°C | 42 mm | 79% | 2.3 m/s | 4.4 |
| 2000 | 30.5°C | 12.1°C | 21.3°C | 52 mm | 78% | 2.2 m/s | 4.7 |
| 1999 | 28.8°C | 12.1°C | 20.4°C | 41 mm | 80% | 2 m/s | 4.5 |
| 1998 | 27.8°C | 12.0°C | 19.9°C | 143 mm | 85% | 2.1 m/s | 4.1 |
| 1997 | 28.6°C | 14.9°C | 21.7°C | 119 mm | 89% | 1.8 m/s | 3.9 |
| 1996 🌧️ | 31.2°C | 10.9°C | 21.1°C | 194 mm | 83% | 2.1 m/s | 3.8 |
| 1995 | 30.4°C | 12.9°C | 21.6°C | 4 mm | 73% | 2.2 m/s | 5.2 |
| 1994 | 30.7°C | 10.5°C | 20.6°C | 44 mm | 75% | 2.1 m/s | 4.8 |
| 1993 | 27.3°C | 12.4°C | 19.8°C | 142 mm | 87% | 2.2 m/s | 3.8 |
| 1992 ❄️ | 28.3°C | 11.0°C | 19.6°C | 29 mm | 80% | 2.3 m/s | 4.6 |
| 1991 | 28.4°C | 12.5°C | 20.5°C | 12 mm | 84% | 1.8 m/s | 4.5 |
| 1990 | 32.3°C | 13.6°C | 22.9°C | 2 mm | 73% | 2.5 m/s | 4.5 |
| 1989 | 31.5°C | 12.9°C | 22.2°C | 37 mm | 78% | 2.2 m/s | 4.7 |
| 1988 | 32.2°C | 12.1°C | 22.1°C | 36 mm | 74% | 2.2 m/s | 4.9 |
| 1987 | 31.0°C | 12.5°C | 21.7°C | 145 mm | 83% | 2.2 m/s | 3.7 |
| 1986 | 30.7°C | 13.1°C | 21.9°C | 44 mm | 79% | 2.2 m/s | 4.5 |
| 1985 | 31.1°C | 13.5°C | 22.3°C | 28 mm | 78% | 1.9 m/s | 4.8 |
| 1984 | 32.9°C | 12.8°C | 22.8°C | 38 mm | 71% | 2 m/s | 4.6 |
| 1983 | 30.1°C | 15.5°C | 22.8°C | 181 mm | 82% | 2.4 m/s | — |
| 1982 | 30.7°C | 14.5°C | 22.6°C | 13 mm | 75% | 2.4 m/s | — |
| 1981 | 27.6°C | 11.9°C | 19.7°C | 58 mm | 84% | 2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 30.4°C with lows near 13.2°C (mean 21.8°C), based on 45 years of NASA POWER data.
December averages 55 mm of rainfall in Dharmapuri, one of the drier months. The wettest on record was 194 mm in 1996.
The hottest December reached 34.8°C in 2016. The coldest dipped to 10.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.6°C. Daytime highs moved from 30.5°C to 30.7°C and overnight lows from 13.6°C to 14.6°C over the same span.
December is one of the cooler months of the year in Dharmapuri and one of the drier months, so plan for around 30.4°C daytime highs and 13.2°C at night.
Yes — December is the coldest month of the year in Dharmapuri, averaging 21.8°C.
For December in Dharmapuri, pack light, breathable clothing and sun protection, with typical highs of 30.4°C and lows of 13.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 79% — quite humid.
Average wind speed in December is 2.1 m/s. The windiest December on record averaged 2.5 m/s (1990).
The wettest December on record was 1996 with 194 mm. On average, December sees 55 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 Dharmapuri 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.
